specalog for 312c 312c l hydraulic excavators, · pdf file312c 312c l hydraulic excavators. 2...

®®

WeightsOperating Weight* 13 140 kg 28,970 lb

EngineEngine Model Cat® 3064 TGross Power 70 kW 94 hpFlywheel Power 67 kW 90 hp

Swing MechanismSwing Torque 30 500 N•m 22,496 lb ft* long undercarriage, 3000 mm (9'10") stick and 600 mm

(24") shoes

312C 312C LHydraulicExcavators

2

312C L Hydraulic ExcavatorsImproved performance and rugged durability combine to maximize productivity.

Increased horsepower, better controllability,extended service intervals and a redesignedoperator station increase your productivityand lower your operating costs.

Complete Customer Support

Your Cat dealer offers a wide range ofservices that can be set up under acustomer support agreement when youpurchase your equipment. The dealerwill help you choose a plan that cancover everything from machine andattachment selection to replacement.pg. 10

Undercarriage and Structures

Rugged Caterpillar® undercarriagedesign and proven structuralmanufacturing techniques assureoutstanding durability in the toughestapplications. New grease lubricatedseals protect and prolong track life.pg. 6

Hydraulics

The open-center, two-pump hydraulicsystem features pump flow controlwhich improves fuel efficiency, ensuressmooth controllability, reduces soundlevels and extends component life.pg. 5

Engine

The 312C is powered by the Cat 3064 Tengine. This engine includes severaldesign features which enhanceperformance, efficiency and reliability.pg. 4

✔ New feature

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Serviceability

Longer service intervals and easiermaintenance results in better machineavailability and lower owning andoperating costs. pg. 9

✔

Operator Station

Larger, quieter, climate-controlled cabhas excellent sightlines to the work areato help keep operator fatigue low andproduction up throughout the entireshift. pg. 8

✔

Front Linkage

Designed-in flexibility to help bringhigher production and efficiency to alljobs. pg. 7

Torque Rise. The engine is designed forhigh torque rise at middle rpm, a featurethat is especially beneficial for heavy-duty use.

Automatic Engine Control. AutomaticEngine Control with convenient one-touch command. Three-stage controlmaximizes fuel efficiency and reducessound levels.

Maintenance. The oil level gauge, oilfilter, fuel filter and priming pump arelocated on the right side of the upperstructure for easy maintenance. Theengine oil filter and fuel filter changeintervals have been extended.

Crankshaft. Eight balance, one-piece,forged crankshaft enhances balance anddecreases vibration and is inductionhardened to improve abrasion resistance.

Pistons. Heat resistant aluminum alloypistons have a short compressionheight, reducing weight and improvingefficiency.

Fuel Consumption. The 3064 T enginehas the best fuel consumption in thisclass of diesel engines. It featuresimproved thermal efficiency andreduced friction resistance betweenpiston and liners.

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EngineThe four cylinder turbo-charged Cat 3064 T engine is built for power, reliability, economyand low emissions.

Component Layout. The 312C hydraulicsystem was designed to provide a highlevel of efficiency. With all majorcomponents located close together,shorter tubes and lines are needed,resulting in less friction loss in thelines and reduced pressure drops.

Hydraulic Cross Sensing System.Improves productivity with fasterimplement speeds and quicker,stronger pivot turns.

Automatic Boom and Swing Priority.For simpler operation, work modeand power mode switches have beeneliminated. Instead, the automatic boomand swing priority function selects thebest mode, based on joystick movement.

Stackable Valves. Three types ofstackable valves and one independentvalve are available on the 312C andattached directly to the main controlvalve. Up to two stackable valves canbe used in combination with the maincontrol valve to provide a variety ofdifferent functions.

Controllability. The hydraulic systemoffers precise control to the 312C,reducing operator fatigue, improvingoperator effectiveness and efficiency,which ultimately translates into enhancedperformance.

Auxiliary Hydraulic Valve. The auxiliaryhydraulic valve is standard on the 312Cfor use with optional hydraulic circuits.

Hydraulic Snubbers. Hydraulic cylindersnubbers at the rod-end of boom cylindersand both ends of the stick cylinderscushion shocks, reduce sound andincrease cylinder life.

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HydraulicsCaterpillar hydraulics deliver power and control to keep material moving at high volume.

Structures. The 312C structuralcomponents and undercarriage are thebackbone of the machine's durability.

Carbody Design and Track Roller Frames.X-shaped, box-section carbody providesexcellent resistance to torsional bending.Robot-welded track roller frames arepress-formed, pentagonal units to deliverexceptional strength and service life.

Rollers and Idlers. Sealed andlubricated track rollers, carrier rollersand idlers provide excellent service life,to keep the machine in the field longer.

Main Frame. The rugged main frame isdesigned for maximum durability andefficient use of materials.

Grease Lubricated Track. New greaselubricated seals protect the track linkand deliver long track link pin andbushing inner wear life.

Travel Motors. Automatic speedselection enables the machine toautomatically change up and downfrom high and low speeds in a smooth,controlled manner.

Idler Guard. An idler guard, which isintegral to the track roller frame isstandard. This guard helps maintaintrack alignment while traveling orworking on slopes.

Blades. For further versatility and tomeet more general purposes needs,three blade width options are availableon the 312C.

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Undercarriage and StructuresDurable undercarriage absorbs stresses and provides excellent stability.

Front Linkage. Front linkage variationson the 312C allow for the use of oneboom, two sticks and five buckets.Using these combinations improvesthe general-purpose versatility of the312C by suiting it to a diverse rangeof applications.

Boom. The boom on the 312C is designedto provide maximum digging capability.Caterpillar booms are manufacturedwith high-tensile steel for upper, lowerand side plates and robot welded forconsistent quality.

Stick. Two sticks are available on the312C. The customer's working envelopeand bucket capacity needs determinetheir stick choice.

Boom and Stick Construction. Built forperformance and long service life,Caterpillar booms and sticks are large,welded, box-section structures withthick, multi-plate fabrications in high-stress areas.

Buckets. High tensile strength steel isused in high-stress areas for excellentwear and shock resistance. The sideplates are tapered to prevent contact ofthe bucket sidewalls during trenchingoperations. All buckets are generalpurpose, share a common side profileand have lifting eyes.

Bucket Linkage. The bucket linkage onthe 312C includes the bucket cylinder,idler link and power links.

Linkage Bearings. New bearingtechnology has extended the frontlinkage greasing intervals for allbearings.

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Front LinkageDesigned-in flexibility to help bring higher production and efficiency to all jobs.

Operator Environment. The 312Coperator work station is quiet withergonomic control placement andconvenient adjustments, low lever andpedal effort, ergonomic seat design andhighly efficient ventilation.

Monitor. New, compact monitorenhances viewing while displaying avariety of easy-to-read and understandlanguage-based information.

Automatic Boom and Swing PriorityFunction. For simpler operation, workmode and power mode switches havebeen eliminated. Instead, the automaticboom and swing priority functionselects the best mode, based on joystickmovement.

Redesigned Layout. Redesigned cablayout emphasizes simplicity and easeof use. Right-hand wall and consoleprovide easy access to all switches,dials and controls.

Travel Controls. A large rubber-coveredfootrest at the side of the travel pedalsallows the foot to easily grip the pedal.The travel lever stroke and force havebeen enhanced to improve the 312C'sfine controllability, making the machineeasier to operate.

Seat. A new seat with a two-tone coloroffers two types of cushions - soft andfirm - for operator comfort. The recliningknob is located at the right-side of theseat for easier reclining adjustment.

Automatic Climate Control. Fullyautomatic climate control adjuststemperature and flow and determineswhich air outlet is best in each situation.

Skylight. A large polycarbonate skylightdelivers excellent natural lighting andgood ventilation. Standard slidingsunshade protects from direct sunlight.

Cab Exterior. The 312C's cab is newlydesigned using asymmetrical steeltubing for improved resistance tofatigue and vibration. Falling ObjectGuard System (FOGS) may be bolted-on directly to the cab.

Cab Mounts. The cab shell is attachedto the frame with improved viscousmounts, reducing vibration and sound.

Wiper. With continuous and intermittentmodes, the wiper is positioned on theright cab pillar to further improve theoperator's viewing area.

Clear View Over the Engine. The enginehood has been removed improving theoperator's rear viewing area.

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Operator StationDesigned for simple operation, the 312C operator station allows the operator to focuson production.

Extended Service Intervals. 312C serviceand maintenance intervals have beenextended to reduce machine servicetime and increase machine availability.

Radiator Compartment. The left rearservice door allows easy access tothe engine radiator and the oil cooler.A reserve tank and drain cock areattached to the radiator for simplifiedmaintenance.

Air Filter Compartment. The air filterfeatures a double-element constructionfor superior cleaning efficiency. Whenthe air cleaner plugs, a warning isdisplayed on the monitor screen insidethe cab.

Ground Level Service. The design andlayout of the 312C was made with theservice technician in mind. Many servicelocations are easily accessible at groundlevel allowing critical maintenance toget done quickly and efficiently.

Swing-Out Oil Cooler. The oil coolerswings out horizontally for excellentcleaning.

Pump Compartment. A service dooron the right side of the upper structureallows ground-level access to the pumpand pilot filter.

Capsule Filter. The hydraulic returnfilter, a capsule filter, is situated outsidethe hydraulic tank. This filter preventscontaminants from entering the systemwhen hydraulic oil is changed andkeeps the operation clean.

Anti-Skid "Punched-Star" Plate. Anti-skid punched-star plate covers the topof storage box and upper structure toprevent slipping during maintenance.The plate can be removed for cleaning.

Engine Inspection. Engine can beaccessed from the upper structure orfrom under the machine. The engineand pump compartment are separatedby a steel wall.

Handrails and Steps. Larger handrailsand steps assist operator in climbing onand off machine.

Grease Lubricated Track. Greaselubricated seals protect the track linkand deliver long track link pin andbushing inner wear life.

Fan Guard. Engine radiator fan iscompletely enclosed by fine wire mesh,reducing the risk of an accident.

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ServiceabilitySimplified service and maintenance features save you time and money.

Selection. Make detailed comparisonsof the machines you are consideringbefore you buy. What are the jobrequirements? What production isneeded? What is the true cost of lostproduction? Your Cat dealer can giveyou precise answers to these questions.

Purchase. Look past initial price, lookat the value the 312C offers. Considerthe financing options available as wellas day-to-day operating costs.

Operation. Improving operatingtechniques can boost your profits.Your Cat dealer has training literatureand other ideas to help you increaseproductivity.

Maintenance. Repair option programsguarantee the cost of repairs up front.Diagnostic programs such as ScheduledOil Sampling and Technical Analysishelp you avoid unscheduled repairs.

Replacement. Repair, rebuild or replace?Your Cat dealer can help you evaluatethe cost involved so you can make theright choice.

Product Support. You will find nearlyall parts at our dealer parts counter.Cat dealers utilize a worldwidecomputer network to find in-stockparts to minimize machine downtime. You will save money withremanufactured components.

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Complete Customer SupportCat dealer services help you operate longer with lower costs.

11312C L Hydraulic Excavators specifications

Drive

Travel Speed 5.5 kph 3.4 mphMax. Drawbar Pull 110 kN 24,720 lb

Hydraulic System

Main Implement System - Max. Flow (2x) 127 L/min 33.5 gal/minMax. Pressure - Implements 29 900 kPa 4,340 psiMax. Pressure - Travel 34 300 kPa 4,980 psiMax Pressure - Swing 23 050 kPa 3,340 psiPilot System - Max. Flow 23.7 L/min 6.3 gal/minPilot System - Max. Pressure 4120 kPa 600 psiBlade - Max. Flow 58.5 L/min 15.5 gal/minBlade System - Max Pressure 20 594 kPa 2,990 psiBoom Cylinder - Bore 110 mm 4.3 inBoom Cylinder - Stroke 1015 mm 40 inStick Cylinder - Bore 120 mm 4.7 inStick Cylinder - Stroke 1197 mm 47.1 inBucket Cylinder - Bore 100 mm 3.9 inBucket Cylinder - Stroke 939 mm 37 in

Service Refill Capacities

Fuel Tank 250 L 66 galCooling System 17.5 L 4.6 galEngine Oil 17.5 L 4.6 galSwing Drive 3 L 0.8 galFinal Drive (Each) 2.5 L 0.66 galHydraulic System (Including Tank) 162 L 42.8 galHydraulic Tank 90 L 23.8 gal

StandardsMeets the following standards:

Cab/FOGS SAE J1356 FEB88ISO 10262

Sound Performance

The operator sound exposure Leq (equivalent sound pressurelevel) measured according to the work cycle proceduresspecified in ANSI/SAE J1166 OCT98 is 74 dB(A), for the caboffered by Caterpillar, when properly installed and maintainedand tested with the doors and windows closed.

Hearing protection may be needed when operating with anopen operator station and cab (when not properly maintainedor doors/windows open) for extended periods or in noisyenvironment.

Engine

Engine Model Cat 3064 TGross Power 70 kW 94 hpFlywheel Power 67 kW 90 hpISO 9249 67 kW 90 hpSAE J1349 67 kW 90 hpEEC 80/1269 67 kW 90 hpBore 102 mm 4 inStroke 130 mm 5.1 inDisplacement 4.25 L 259 in3

• The 312C meets US Tier 2 and EU Stage II emissionrequirements.

• Net power advertised is the power available at the flywheelwhen the engine is equipped with fan, air cleaner, muffler,and alternator.

• No engine derating required below 1500 m (4,900 ft) altitude.

Weights

Operating Weight 13 140 kg 28,970 lb

Swing Mechanism

Swing Torque 30 500 N•m 22,496 lb ftSwing Speed 12.9 RPM

12 312C L Hydraulic Excavators specifications

DimensionAll dimensions are approximate.

2500 mm (8'2") Stick 3000 mm (9'10") Stick1 Shipping height 2760 mm (9'1") 2760 mm (9'1")

2 Shipping length 7570 mm (24'10") 7570 mm (24'10")

3 Tail swing radius 2130 mm (7') 2130 mm (7')

4 Length to centers of rollers

312C 2780 mm (9'1") 2780 mm (9'1")

312C L 3040 mm (9'11") 3040 mm (9'11")

5 Track length

312C 3490 mm (11'5") 3490 mm (11'5")

312C L 3750 mm (12'4") 3750 mm (12'4")

6 Ground clearance 440 mm (1'5") 440 mm (1'5")

7 Track gauge 1990 mm (6'6") 1990 mm (6'6")

8 Transport width with 500 mm (20") with 600 mm (24") with 700 mm (28") with 770 mm (30")2490 mm (8'2") 2590 mm (8'6") 2690 mm (8'10") 2760 mm (9'1")

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Working Ranges

Stick Length 2500 mm (8'2") Stick* 3000 mm (9'10") Stick*1 Maximum Digging Depth 5550 mm (18'3") 6050 mm (19'10")

2 Maximum Reach at Ground Level 8175 mm (26'10") 8625 mm (28'4")

3 Maximum Cutting Height 8475 mm (27'10") 8695 mm (28'6")

4 Maximum Loading Height 6095 mm (20'0") 6330 mm (20'9")

5 Minimum Loading Height 2010 mm (6'7") 1525 mm (5'0")

6 Maximum Depth Cut for 2440 mm (8') 5340 mm (17'6") 5865 mm (19'3")Level Bottom

7 Maximum Vertical Wall Digging Depth 4970 mm (16'4") 5345 mm (17'6")

Stick Digging Force (SAE) 63 kN (14,160 lb) 57 kN (12,810 lb)

Bucket Digging Force (SAE) 84 kN (18,880 lb) 84 kN (18,880 lb)

* - Measurements shown are for machines equipped with the 0.52 m3 (0.68 yd3) bucket

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Operating WeightsCaterpillar designed and built track-type undercarriage.

Track Width Operating Weight Operating Weight(medium stick) (long stick)

312C 500 mm (20") triple grouser 12 550 kg (27,670 lb) 12 620 kg (27,820 lb)600 mm (24") triple grouser 12 780 kg (28,170 lb) 12 860 kg (28,350 lb)700 mm (28") triple grouser 13 020 kg (28,700 lb) 13 100 kg (28,880 lb)770 mm (30") triple grouser 13 150 kg (28,990 lb) 13 230 kg (29,190 lb)

Blade: add 750 kg (1653 lb)

312C L 500 mm (20") triple grouser 12 840 kg (28,310 lb) 12 910 kg (28,460 lb)600 mm (24") triple grouser 13 070 kg (28,810 lb) 13 140 kg (28,970 lb)700 mm (28") triple grouser 13 330 kg (29,390 lb) 13 400 kg (29,540 lb)770 mm (30") triple grouser 13 460 kg (29,670 lb) 13 540 kg (29,850 lb)

Blade: add 750 kg (1653 lb)

BucketsBuckets have tapered sides, angled corner teeth, dual radius curvature, horizontalwear strips, and holes for optional side cutters.

Recommended Maximum Material DensityWidth Capacity Medium Stick Long Stick

mm in m3 yd3 kg/m3 lb/yd3 kg/m3 lb/yd3

610 24 0.30 0.39 1800 3000 1800 3000760 30 0.40 0.53 1800 3000 1800 3000910 36 0.52 0.68 1800 3000 1500 25001070 42 0.63 0.82 1500 2500 1200 20001220 48 0.74 0.97 1500 2500 1200 2000

Material DensitiesMaterial kg/m3* lb/yd3** Material kg/m3* lb/yd3**Clay, dry 1480 2500 Gravel, pit run 1930 3250Clay, wet 1660 2800 Rock/dirt, 50% 1720 2900Earth, dry 1510 2550 Sand, dry 1420 2400Earth, wet 1600 2700 Sand, wet 1840 3100Loam 1250 2100 Sand & Clay 1600 2700Gravel, dry 1510 2550 Stone, crushed 1600 2700Gravel, wet 2020 3400 Top soil 950 1600

* kilograms per loose cubic meter** pounds per loose cubic yardFor densities of other materials see Caterpillar Performance Handbook

UndercarriageCaterpillar designed and built track-type undercarriage.

Track Width Ground Pressure312C 312C L

500 mm (20") triple grouser 39 kPa (5.66 psi) —600 mm (24") triple grouser 33 kPa (4.79 psi) 31 kPa (4.50 psi)700 mm (28") triple grouser 29 kPa (4.21 psi) 27 kPa (3.92 psi)770 mm (30") triple grouser — 25 kPa (3.63 psi)


Load atMaximum Reach

Load PointHeight

Load RadiusOver Front

Load RadiusOver Side

Reach Boom Lift Capacities

R2.5 STICK – 2500 mm (8'2")BUCKET – 0.52 m3 (0.68 yd3)

UNDERCARRIAGE – StandardSHOES – 600 mm (24") triple grouser

BOOM – 4650 mm (15'3")BLADE – Up

* Limited by hydraulic capacity rather than tipping load. The above loads are in compliance with SAE hydraulic excavator lift capacity rating standard J1097.They do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. Weight of all lifting accessories must be deducted from the abovelifting capacities.

1.5 m (5.0 ft) 3.0 m (10.0 ft) 4.5 m (15.0 ft) 6.0 m (20.0 ft)

m

ft

6.0 m kg *1350 *1350 6.6320.0 ft lb *2950 *2950 21.52

4.5 m kg *3000 *3000 2950 2200 *1250 *1250 7.5115.0 ft lb *6550 *6550 6300 4700 *2750 *2750 24.52

3.0 m kg *5050 *5050 *3800 3450 2900 2150 *1250 *1250 7.9310.0 ft lb *10,800 *10,800 *8150 7450 6200 4600 *2800 *2800 25.99

1.5 m kg *7650 6000 4450 3200 2800 2050 *1350 1250 8.005.0 ft lb *16,400 12,850 9500 6900 5950 4400 *2950 2750 26.24

Ground kg *6750 5600 4200 3000 2700 1950 *1500 1300 7.72Line lb *15,650 12,000 9050 6500 5750 4200 *3300 2850 25.32

–1.5 m kg *4300 *4300 8350 5500 4100 2950 2650 1900 *1850 1550 7.05–5.0 ft lb *9650 *9650 17,750 11,800 8850 6300 5650 4100 *4050 3350 23.07

–3.0 m kg *7650 *7650 *7850 5600 4150 2950 *2550 2100 5.83–10.0 ft lb *17,250 *17,250 *16,950 12,000 8900 6350 *5650 4650 18.95

–4.5 m kg *4600 4550 3.52–15.0 ft lb



BOOM – 4650 mm (15'3")BLADE – Down


1.5 m (5.0 ft) 3.0 m (10.0 ft) 4.5 m (15.0 ft) 6.0 m (20.0 ft)

m

ft

6.0 m kg *1350 *1350 6.6320.0 ft lb *2950 *2950 21.52

4.5 m kg *3000 *3000 *3000 2200 *1250 *1250 7.5115.0 ft lb *6550 *6550 *6550 4700 *2750 *2750 24.52

3.0 m kg *5050 *5050 *3800 3450 *3250 2150 *1250 *1250 7.9310.0 ft lb *10,800 *10,800 *8150 7450 *7100 4600 *2800 *2800 25.99

1.5 m kg *7650 6000 *4800 3200 *3700 2050 *1350 1250 8.005.0 ft lb *16,400 12,850 *10,300 6900 *8050 4400 *2950 2750 26.24

Ground kg *6750 5600 *5500 3000 *4050 1950 *1500 1300 7.72Line lb *15,650 12,000 *11,900 6500 *8800 4200 *3300 2850 25.32

–1.5 m kg *4300 *4300 *8800 5500 *5750 2950 *4100 1900 *1850 1550 7.05–5.0 ft lb *9650 *9650 *19,100 11,800 *12,400 6300 *8900 4100 *4050 3350 23.07

–3.0 m kg *7650 *7650 *7850 5600 *5250 2950 *2550 2100 5.83–10.0 ft lb *17,250 *17,250 *16,950 12,000 *11,250 6350 *5650 4650 18.95

–4.5 m kg *4600 4550 3.52–15.0 ft lb



Load PointHeight





UNDERCARRIAGE – LongSHOES – 600 mm (24") triple grouser



1.5 m (5.0 ft) 3.0 m (10.0 ft) 4.5 m (15.0 ft) 6.0 m (20.0 ft)

m

ft

6.0 m kg *1350 *1350 6.6320.0 ft lb *2950 *2950 21.52

4.5 m kg *3000 *3000 *3000 2250 *1250 *1250 7.5115.0 ft lb *6550 *6550 *6550 4800 *2750 *2750 24.52

3.0 m kg *5050 *5050 *3800 3550 *3250 2200 *1250 *1250 7.9310.0 ft lb *10,800 *10,800 *8200 7600 *7100 4700 *2800 *2800 26.00

1.5 m kg *7650 6100 *4800 3300 3250 2100 *1350 1300 8.005.0 ft lb *16,400 13,100 *10,300 7050 6900 4500 *2950 2850 26.24

Ground kg *6750 5700 4950 3100 3150 2000 *1500 1350 7.72Line lb *15,650 12,250 10,600 6650 6700 4300 *3300 2950 25.32

–1.5 m kg *4300 *4300 *8800 5650 4850 3000 3100 1950 *1850 1550 7.05–5.0 ft lb *9650 *9650 *19,100 12,050 10,400 6450 6600 4200 *4050 3450 23.07

–3.0 m kg *7650 *7650 *7850 5700 4900 3050 *2550 2150 5.83–10.0 ft lb *17,250 *17,250 *16,950 12,250 10,450 6500 *5650 4750 18.94





1.5 m (5.0 ft) 3.0 m (10.0 ft) 4.5 m (15.0 ft) 6.0 m (20.0 ft)

m

ft

6.0 m kg *1350 *1350 6.6320.0 ft lb *2950 *2950 21.52

4.5 m kg *3000 *3000 *3000 2250 *1250 *1250 7.5115.0 ft lb *6550 *6550 *6550 4800 *2750 *2750 24.52

3.0 m kg *5050 *5050 *3800 3550 *3250 2200 *1250 *1250 7.9310.0 ft lb *10,800 *10,800 *8200 7600 *7100 4700 *2800 *2800 26.00

1.5 m kg *7650 6100 *4800 3300 *3700 2100 *1350 1300 8.005.0 ft lb *16,400 13,100 *10,300 7050 *8050 4500 *2950 2850 26.24

Ground kg *6750 5700 *5500 3100 *4050 2000 *1500 1350 7.72Line lb *15,650 12,250 *11,900 6650 *8800 4300 *3300 2950 25.32

–1.5 m kg *4300 *4300 *8800 5650 *5750 3000 *4100 1950 *1850 1550 7.05–5.0 ft lb *9650 *9650 *19,100 12,050 *12,400 6450 *8900 4200 *4050 3450 23.07

–3.0 m kg *7650 *7650 *7850 5700 *5250 3050 *2550 2150 5.83–10.0 ft lb *17,250 *17,250 *16,950 12,250 *11,250 6500 *5650 4750 18.94



Load PointHeight








1.5 m (5.0 ft) 3.0 m (10.0 ft) 4.5 m (15.0 ft) 6.0 m (20.0 ft)

m

ft

6.0 m kg *1350 *1350 6.6320.0 ft lb *2950 *2950 21.52

4.5 m kg *3000 *3000 *3000 2300 *1250 *1250 7.5115.0 ft lb *6550 *6550 *6550 4950 *2750 *2750 24.52

3.0 m kg *5050 *5050 *3800 3650 *3250 2250 *1250 *1250 7.9310.0 ft lb *10,800 *10,800 *8200 7800 *7100 4850 *2800 *2800 26.00

1.5 m kg *7650 6250 *4800 3400 3350 2150 *1350 1350 8.005.0 ft lb *16,400 13,450 *10,300 7250 7150 4600 *2950 2950 26.24

Ground kg *6750 5850 5100 3200 3250 2050 *1500 1400 7.72Line lb *15,650 12,600 10,950 6800 6950 4400 *3300 3050 25.32

–1.5 m kg *4300 *4300 *8800 5800 5000 3100 3200 2050 *1850 1600 7.05–5.0 ft lb *9650 *9650 *19,100 12,400 10,750 6650 6850 4350 *4050 3550 23.07

–3.0 m kg *7650 *7650 *7850 5900 5050 3100 *2550 2200 5.83–10.0 ft lb *17,250 *17,250 *16,950 12,600 10,800 6700 *5650 4900 18.94





1.5 m (5.0 ft) 3.0 m (10.0 ft) 4.5 m (15.0 ft) 6.0 m (20.0 ft)

m

ft

6.0 m kg *1350 *1350 6.6320.0 ft lb *2950 *2950 21.52

4.5 m kg *3000 *3000 *3000 2300 *1250 *1250 7.5115.0 ft lb *6550 *6550 *6550 4950 *2750 *2750 24.52

3.0 m kg *5050 *5050 *3800 3650 *3250 2250 *1250 *1250 7.9310.0 ft lb *10,800 *10,800 *8200 7800 *7100 4850 *2800 *2800 26.00

1.5 m kg *7650 6250 *4800 3400 *3700 2150 *1350 1350 8.005.0 ft lb *16,400 13,450 *10,300 7250 *8050 4600 *2950 2950 26.24

Ground kg *6750 5850 *5500 3200 *4050 2050 *1500 1400 7.72Line lb *15,650 12,600 *11,900 6800 *8800 4400 *3300 3050 25.32

–1.5 m kg *4300 *4300 *8800 5800 *5750 3100 *4100 2050 *1850 1600 7.05–5.0 ft lb *9650 *9650 *19,100 12,400 *12,400 6650 *8900 4350 *4050 3550 23.07

–3.0 m kg *7650 *7650 *7850 5900 *5250 3100 *2550 2200 5.83–10.0 ft lb *17,250 *17,250 *16,950 12,600 *11,250 6700 *5650 4900 18.94



Load PointHeight








1.5 m (5.0 ft) 3.0 m (10.0 ft) 4.5 m (15.0 ft) 6.0 m (20.0 ft) 7.5 m (25.0 ft)

m

ft

7.5 m kg *1400 *1400 5.7725.0 ft lb *3050 *3050 18.43

6.0 m kg *2200 *2200 *1200 *1200 7.1820.0 ft lb *4350 *4350 *2600 *2600 23.34

4.5 m kg *2600 2250 *1150 *1150 7.9815.0 ft lb *5750 4750 *2500 *2500 26.09

3.0 m kg *3300 *3300 2900 2150 *1650 1400 *1150 *1150 8.3810.0 ft lb *7150 *7150 6200 4600 *3600 3100 *2500 *2500 27.46

1.5 m kg *6750 6150 *4350 3250 2800 2050 1900 1350 *1250 1100 8.445.0 ft lb *14,550 13,250 *9450 7000 5950 4350 4050 2900 *2700 2450 27.70

Ground kg *7800 5600 4200 3000 2650 1950 1850 1350 *1400 1150 8.18Line lb 18,050 12,050 9050 6450 5700 4150 4050 2900 *3050 2550 26.83

–1.5 m kg *3950 *3950 8250 5450 4100 2900 2600 1850 *1650 1300 7.56–5.0 ft lb *8800 *8800 17,600 11,650 8750 6200 5550 4000 *3650 2900 24.75

–3.0 m kg *6550 *6550 *8300 5500 4050 2900 2600 1900 *2250 1750 6.46–10.0 ft lb *14,800 *14,800 17,700 11,750 8700 6200 5600 4050 *5000 3850 21.03

–4.5 m kg *6500 5700 *4150 3000 *3600 2700 4.83–15.0 ft lb *13,750 12,200 *8550 6450 *7950 6150 15.56






m

ft

7.5 m kg *1400 *1400 5.7725.0 ft lb *3050 *3050 18.43

6.0 m kg *2200 *2200 *1200 *1200 7.1820.0 ft lb *4350 *4350 *2600 *2600 23.34

4.5 m kg *2600 2250 *1150 *1150 7.9815.0 ft lb *5750 4750 *2500 *2500 26.09

3.0 m kg *3300 *3300 *2950 2150 *1650 1400 *1150 *1150 8.3810.0 ft lb *7150 *7150 *6450 4600 *3600 3100 *2500 *2500 27.46

1.5 m kg *6750 6510 *4350 3250 *3450 2050 *2350 1350 *1250 1100 8.445.0 ft lb *14,550 13,250 *9450 7000 *7450 4350 *4250 2900 *2700 2450 27.70

Ground kg *7800 5600 *5250 3000 *3900 1950 *2100 1350 *1400 1150 8.18Line lb *18,100 12,050 *11,350 6450 *8400 4150 *4650 2900 *3050 2550 26.83

–1.5 m kg *3950 *3950 *8750 5450 *5650 2900 *4100 1850 *1650 1300 7.56–5.0 ft lb *8800 *8800 *19,200 11,650 *12,250 6200 *8800 4000 *3650 2900 24.75

–3.0 m kg *6550 *6550 *8300 5500 *5450 2900 *3800 1900 *2250 1750 6.46–10.0 ft lb *14,800 *14,800 *17,850 11,750 *11,700 6200 *8000 4050 *5000 3850 21.03

–4.5 m kg *6500 5700 *4150 3000 *3600 2700 4.83–15.0 ft lb *13,750 12,200 *8550 6450 *7950 6150 15.56



Load PointHeight









m

ft

7.5 m kg *1400 *1400 5.7725.0 ft lb *3050 *3050 18.44

6.0 m kg *2200 *2200 *1200 *1200 7.1820.0 ft lb *4350 *4350 *2600 *2600 23.34

4.5 m kg *2600 2300 *1150 *1150 7.9815.0 ft lb *5750 4850 *2500 *2500 26.10

3.0 m kg *3300 *3300 *2950 2200 *1650 1450 *1150 *1150 8.3810.0 ft lb *7150 *7150 *6450 4700 *3600 3150 *2500 *2500 27.47

1.5 m kg *6750 6300 *4350 3300 3250 2100 2200 1400 *1250 1150 8.445.0 ft lb *14,550 13,500 *9450 7100 6950 4450 *4250 3000 *2700 2500 27.70

Ground kg *7800 5750 4950 3100 3100 2000 *2100 1350 *1400 1200 8.18Line lb *18,100 12,300 10,600 6600 6650 4250 *4650 3000 *3050 2600 26.83

–1.5 m kg *3950 *3950 *8750 5550 4800 2950 3050 1900 *1650 1350 7.56–5.0 ft lb *8800 *8800 *19,200 11,900 10,300 6350 6500 4100 *3650 2950 24.75

–3.0 m kg *6600 *6600 *8300 5600 4800 2950 3050 1950 *2250 1800 6.45–10.0 ft lb *14,800 *14,800 *17,850 12,000 10,300 6300 6550 4150 *5000 3950 21.03

–4.5 m kg *6450 5800 *4100 3050 *3600 2800 4.83–15.0 ft lb *13,750 12,450 *8550 6600 *7950 6300 15.55






m

ft

7.5 m kg *1400 *1400 5.7725.0 ft lb *3050 *3050 18.44

6.0 m kg *2200 *2200 *1200 *1200 7.1820.0 ft lb *4350 *4350 *2600 *2600 23.34

4.5 m kg *2600 2300 *1150 *1150 7.9815.0 ft lb *5750 4850 *2500 *2500 26.10

3.0 m kg *3300 *3300 *2950 2200 *1650 1450 *1150 *1150 8.3810.0 ft lb *7150 *7150 *6450 4700 *3600 3150 *2500 *2500 27.47

1.5 m kg *6750 6300 *4350 3300 *3450 2100 *2350 1400 *1250 1150 8.445.0 ft lb *14,550 13,500 *9450 7100 *7450 4450 *4250 3000 *2700 2500 27.70

Ground kg *7800 5750 *5250 3100 *3900 2000 *2100 1350 *1400 1200 8.18Line lb *18,100 12,300 *11,350 6600 *8400 4250 *4650 3000 *3050 2600 26.83

–1.5 m kg *3950 *3950 *8750 5550 *5650 2950 *4100 1900 *1650 1350 7.56–5.0 ft lb *8800 *8800 *19,200 11,900 *12,250 6350 *8800 4100 *3650 2950 24.75

–3.0 m kg *6600 *6600 *8300 5600 *5450 2950 *3800 1950 *2250 1800 6.45–10.0 ft lb *14,800 *14,800 *17,850 12,000 *11,700 6300 *8000 4150 *5000 3950 21.03

–4.5 m kg *6450 5800 *4100 3050 *3600 2800 4.83–15.0 ft lb *13,750 12,450 *8550 6600 *7950 6300 15.55



Load PointHeight









m

ft

7.5 m kg *1400 *1400 5.7725.0 ft lb *3050 *3050 18.43

6.0 m kg *2200 *2200 *1200 *1200 7.1820.0 ft lb *4350 *4350 *2600 *2600 23.34

4.5 m kg *2600 2300 *1150 *1150 7.9815.0 ft lb *5750 4900 *2500 *2500 26.09

3.0 m kg *3300 *3300 *2950 2200 *1650 1450 *1150 *1150 8.3810.0 ft lb *7150 *7150 6400 4750 *3600 3200 *2500 *2500 27.46

1.5 m kg *6750 6300 *4350 3350 2850 2100 1950 1400 *1250 1150 8.445.0 ft lb *14,550 13,550 *9450 7150 6150 4500 4150 3000 *2700 2550 27.70

Ground kg *7800 5750 4350 3100 2750 2000 1900 1400 *1400 1200 8.18Line lb *18,100 12,350 9300 6650 5900 4250 4200 3000 *3050 2600 26.83

–1.5 m kg *3950 *3950 8500 5600 4200 3000 2700 1950 *1650 1350 7.56–5.0 ft lb *8800 *8800 18,150 12,000 9000 6400 5750 4150 *3650 3000 24.75

–3.0 m kg *6550 *6550 *8300 5650 4200 2950 2700 1950 *2250 1800 6.46–10.0 ft lb *14,800 *14,800 *17,850 12,050 9000 6350 5800 4150 *5000 3950 21.03

–4.5 m kg *6500 5850 *4150 3100 *3600 2800 4.83–15.0 ft lb *13,750 12,550 *8550 6650 *7950 6350 15.56






m

ft

7.5 m kg *1400 *1400 5.7725.0 ft lb *3050 *3050 18.43

6.0 m kg *2200 *2200 *1200 *1200 7.1820.0 ft lb *4350 *4350 *2600 *2600 23.34

4.5 m kg *2600 2300 *1150 *1150 7.9815.0 ft lb *5750 4900 *2500 *2500 26.09

3.0 m kg *3300 *3300 *2950 2200 *1650 1450 *1150 *1150 8.3810.0 ft lb *7150 *7150 *6450 4750 *3600 3200 *2500 *2500 27.46

1.5 m kg *6750 6300 *4350 3350 *3450 2100 *2350 1400 *1250 1150 8.445.0 ft lb *14,550 13,550 *9450 7150 *7450 4500 *4250 3000 *2700 2500 27.70

Ground kg *7800 5750 *5250 3100 *3900 2000 *2100 1400 *1400 1200 8.18Line lb *18,100 12,350 *11,350 6650 *8400 4250 *4650 3000 *3050 2600 26.83

–1.5 m kg *3950 *3950 *8750 5600 *5650 3000 *4100 1950 *1650 1350 7.56–5.0 ft lb *8800 *8800 *19,200 12,000 *12,250 6400 *8800 4150 *3650 3000 24.75

–3.0 m kg *6550 *6550 *8300 5650 *5450 2950 *3800 1950 *2250 1800 6.46–10.0 ft lb *14,800 *14,800 *17,850 12,050 *11,700 6350 *8000 4150 *5000 3950 21.03

–4.5 m kg *6500 5850 *4150 3100 *3600 2800 4.83–15.0 ft lb *13,750 12,550 *8550 6650 *7950 6350 15.56



Load PointHeight









m

ft

7.5 m kg *1400 *1400 5.7725.0 ft lb *3050 *3050 18.44

6.0 m kg *2200 *2200 *1200 *1200 7.1820.0 ft lb *4350 *4350 *2600 *2600 23.34

4.5 m kg *2600 2350 *1150 *1150 7.9815.0 ft lb *5750 5000 *2500 *2500 26.10

3.0 m kg *3300 *3300 *2950 2250 *1650 1500 *1150 *1150 8.3810.0 ft lb *7150 *7150 *6450 4850 *3600 3250 *2500 *2500 27.47

1.5 m kg *6750 6450 *4350 3400 3350 2150 2300 1450 *1250 1200 8.445.0 ft lb *14,550 13,850 *9450 7300 7150 4600 *4250 3100 *2700 2600 27.70

Ground kg *7800 5900 5100 3200 3200 2050 *2100 1400 *1400 1250 8.18Line lb *18,100 12,650 10,950 6800 6900 4350 *4650 3100 *3050 2700 26.83

–1.5 m kg *3950 *3950 *8750 5750 4950 3050 3150 2000 *1650 1400 7.56–5.0 ft lb *8800 *8800 *19,200 12,250 10,650 6550 6750 4250 *3650 3100 24.75

–3.0 m kg *6600 *6600 *8300 5750 4950 3050 3150 2000 *2250 1850 6.45–10.0 ft lb *14,800 *14,800 *17,850 12,350 10,600 6500 6750 4250 *5000 4050 21.03

–4.5 m kg *6450 5950 *4100 3150 *3600 2850 4.83–15.0 ft lb *13,750 12,800 *8550 6800 *7950 6500 15.55






m

ft

7.5 m kg *1400 *1400 5.7725.0 ft lb *3050 *3050 18.44

6.0 m kg *2200 *2200 *1200 *1200 7.1820.0 ft lb *4350 *4350 *2600 *2600 23.34

4.5 m kg *2600 2350 *1150 *1150 7.9815.0 ft lb *5750 5000 *2500 *2500 26.10

3.0 m kg *3300 *3300 *2950 2250 *1650 1500 *1150 *1150 8.3810.0 ft lb *7150 *7150 *6450 4850 *3600 3250 *2500 *2500 27.47

1.5 m kg *6750 6450 *4350 3400 *3450 2150 *2350 1450 *1250 1200 8.445.0 ft lb *14,550 13,850 *9450 7300 *7450 4600 *4250 3100 *2700 2600 27.70

Ground kg *7800 5900 *5250 3200 *3900 2050 *2100 1400 *1400 1250 8.18Line lb *18,100 12,650 *11,350 6800 *8400 4350 *4650 3100 *3050 2700 26.83

–1.5 m kg *3950 *3950 *8750 5750 *5650 3050 *4100 2000 *1650 1400 7.56–5.0 ft lb *8800 *8800 *19,200 12,250 *12,250 6550 *8800 4250 *3650 3100 24.75

–3.0 m kg *6600 *6600 *8300 5750 *5450 3050 *3800 2000 *2250 1850 6.45–10.0 ft lb *14,800 *14,800 *17,850 12,350 *11,700 6500 *8000 4250 *5000 4050 21.03

–4.5 m kg *6450 5950 *4100 3150 *3600 2850 4.83–15.0 ft lb *13,750 12,800 *8550 6800 *7950 6500 15.55


Alternator, 50 ampAutomatic engine speed controlAutomatic swing brakeAutomatic work modesAuxiliary hydraulic valve (1)Bolt-on Falling Objects Guard System (FOGS) capabilityCab

- AM/FM radio, 24-volt- Ash tray with cigar lighter- Bi-level air conditioner with defroster- Drink holder- Floor mat- Fully adjustable suspension seat- Horn- Hydraulic neutralizer lever for all controls- Joysticks, adjustable pilot-operated- Language display monitor with gauges

- Clock- Filter/fluid change information- Level check for hydraulic oil, engine oil and coolant- Warning messages- Working hour information

- Light, interior- Light, storage box mounted (1)- Literature holder- Openable front windshield- Openable skylight with sunshade- Storage compartment- Travel control pedals with removable hand levers

Doors and caps lock with one-key security systemMirrors (frame and cab)Power train

- Cat 3064T diesel engine- 24-volt electric starting- Air intake heater

- Swing-out oil cooler- Water separator

Undercarriage- 312C 20" (500 mm) triple grouser shoes- 312C L 24" (600 mm) triple grouser shoes and centersection track guiding guards- Hydraulic track adjusters- Idler section track guiding guards- Track-type undercarriage with grease lubricated seals

Standard EquipmentStandard equipment may vary. Consult your Caterpillar Dealer for specifics.


Air prefilterAuxiliary hydraulics - dual directions and a medium pressurecircuitAuxiliary hydraulics for hydraulic hammerAuxiliary hydraulics for hydraulic thumbAuxiliary hydraulic lines from booms and sticksBlade, 8'2" (2500 mm) with replaceable cutting edges (for 20"(500 mm) triple grouser shoes)Blade, 8'6" (2600 mm) with replaceable cutting edges (for 24"(600 mm) triple grouser shoes)Blade, 8'10" (2700 mm) with replaceable cutting edges (for28" (700 mm) and 30" (770 mm) triple grouser shoes)Boom lowering control device (mandatory in certaincountries)Bucket linkageCab fanCab front mesh guard for use with hammersCab mounted working lightsCab with polycarbonate windows (mandatory in certaincountries)Cold weather startFalling Object Guard SystemFront windshield guardHand control pattern changerHeavy-duty bottom guardHigh ambient cooling system

KAB 527 seatKAB 527 seat with heaterLower windshield wiperPower Supply 12VRain protectorRear window with external opening provisions (mandatory inBritish Columbia)Right side boom lightsSecondary exit, rear window (mandatory in certain countries)Steel side bumpersStick and boom combinations:

- 15'3" (4.65 m) boom with left side light- 9'10" (3.0 m) stick- 8'2" (2.5 m) stick

Straight travel pedalSun visorSwivel guardTrack:

- 312C 24" (600 mm) triple grouser shoes- 312C/312C L 28" (700 mm) triple grouser shoes- 312C L 30" (770 mm) triple grouser shoes- 312C 20" (500 mm) segment rubber track

Track guiding guard, center (312C)Travel alarm (mandatory in certain countries)Vandalism protection

Optional EquipmentOptional equipment may vary. Consult your Caterpillar Dealer for specifics.

For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at www.CAT.com

© 2003 CaterpillarPrinted in U.S.A.

Materials and specifications are subject to change without notice.Featured machines in photos may include additional equipment.

See your Caterpillar dealer for available options.

R

AEHQ5551 (6-03)

(Replaces AEHQ5414)

312C L Hydraulic Excavators

specalog for 312c 312c l hydraulic excavators, · pdf file312c 312c l hydraulic excavators. 2...

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