Description:

Auxiliary transmissions provide maximum versatility for on/off highway applications

when teamed with a SPICER manual transmission. Transmission Technologies

Corporation (TTC) manufactures six models, including two pneumatic (air-shifted),

and four manually shifted units. Both air-shifted models feature a single selector with

a “no-repeat” shift lever design. Providing maximum flexibility, all SPICER brand

auxiliary transmissions have four speeds, with a .81 overdrive ratio. Standard PTO

mountings include: bottom-mount 6 and 8 bolt openings. A top-mount PTO model is

also available.

Typical Applications:

Auxiliary transmissions are used in a wide variety of applications including: drilling-

rigs, mining, lumber, and stationary equipment.

Performance Advantages:

For severe use applications, SPICER brand 4-speed auxiliary transmissions offer the

highest torque ratings in the industry and are backed by the TTC Support Team.

Factory trained customer service representatives are stationed across the country

and are ready to assist your spec’ing, or trouble shooting needs from 8:00 AM – 5:00

PM EST. Simply call (800) 401-9866 to locate the nearest TTC representative.

•Driver friendly ergonomics

• Flexibility / versatility

• Handles higher torque

• Improved strength to weight ratio

• Improved torque rating

• Quieter operation

• Pneumatic (air-shift) no repeat

shift pattern

• Variety of PTO mountings

• Twin counter shaft design

• FEA optimized case design

• Shot peened gears

• Wide ratio coverage

• Super low gear for off road

• Better fuel economy / top speed

• Optimize specific application

• Simple shift pattern (economical)

• Four speeds

• Creeper gear

• .81 overdrive

• Variety of ratios available

• Manually shifted

BenefitsFeatures

Auxiliary Transmissions SPICERSPICERSPICERSPICER®

Auxiliary

Transmissions

Models:

AMO1750-4C

APO1750-4C

ATO1750-4CAMO1750-4DAPO1750-4DATO1750-4D

Auxiliary Transmissions

23382 Commerce Rd.

Farmington Hills, MI 48335

Tel:+1 (248) 471-3200

Fax: +1 (248) 471-3722

TTC Website:www.ttcautomotive.comwww.ttcautomotive.comwww.ttcautomotive.comwww.ttcautomotive.com

TTC Tech Line:(800) 401(800) 401(800) 401(800) 401----98669866986698668:00 AM – 5:00 PM EST.

Bulletin # 3050-1 5/03

.81231241.24912.37ATO1750-4C

.81231241.24912.37APO1750-4C

.81231241.24281.59AMO1750-4D

.81231241.24281.59APO1750-4D

.81231241.24281.59ATO1750-4D

.81231241.24912.37AMO1750-4C

Overdrive%Direct%Under%LowModel

RATIOS

540 lbs.

26.205 inches

SAE 50wt. Synthetic 14 pts.

17,500 lbs. ft.

14,500 lbs. ft.

12,500 lbs. ft.

Weight

Length

Lubricant

Input Torque Capacity:*

<80,001lbs GCW

80,001 – 125,000 GCW

125,001 – 250,000 GCW

AMO/APO/ATO 1750-4

SPECIFICATIONS

Low

Under Direct

Overdrive

Air Shift Pattern

1 4

2 3

Low Overdrive

Under Direct

Manual Shift Pattern

Chelsea Right & Left PTOTop Mount PTOModel

See Chelsea publication (SPR-87)313254-1x through 9xATO1750-4

See Chelsea publication (SPR-87)Top Mount N/AAPO1750-4

See Chelsea publication (SPR-87)Less Top MountAMO1750-4

PTO Applications

86.77671.56662.859.6PS145-7 & D ratio Auxiliary

160140.3132121.9115.9110PSO165-10 & C ratio Auxiliary

107.394.188.681.877.873.8PSO165-10 & D ratio Auxiliary

129.1113.3106.698.493.688.8PS145-7 & C ratio Auxiliary

63.956.152.748.746.344PSO140-6A & D ratio Auxiliary

95.283.578.672.66965.5PSO140-6A & C ratio Auxiliary

5.384.724.444.103.93.7Model Combination / Axle ratios

Total Reduction Comparisons

*Call or write for application approval outside these guidelines