TX100 Transmission by Allison
M113 APC
The TX100 Series of Transmissions by Allison Transmission were developed for use in the M113 Family of Vehicles and its variants M113A1, M113A2 and M113A2+. The TX100 transmission is rated for up to 265 gross input horsepower (198 kW) in a vehicle weighing up to 15 tons.
- TX100 Transmission
- NSN: 2815-00-410-1203
- Part Number: 5704474
- TX100-1 Transmission
- NSN: 2520-01-133-9227
- Part Number: 2703825
- TX100-1 Transmission - 6C Yoke
- NSN: 2520-00-066-4240
- Part Number: 8355951 / 6774493
- TX100-1 Transmission - 7C Yoke in Foam Container
- NSN: 2520-01-120-2169
- Part Number: 8355951-1 / 23014434
- TX100-1A Transmission
- NSN: 2520-01-295-1301
- Part Number: 6881905
- TX100-1A Transfer Case
- NSN: 2520-01-150-0120
- Part Number: 4194859
The TX100 Transmission Features:
- Maximum Input Speed: 3600 RPM
- Gearing: 3-Speed + Reverse
- Maximum Speed: 2650 RPM
- PTO Provisions

Allison TX100 Transmission Specifications
- General Rating
- TX100-1
- TX100-1A
- Gross Engine Power
- 215 ghp (160 kW)
- 265 ghp (198 kW)
- Max Input Speed Range
- 3600 rpm
- 3600 rpm
- Vehicle Weight
- 13 tons
- 15 tons
Allison TX100 Torque Converter
- Type
- Single stage, 3-element, multiphase
- Stall Torque Ratio
- 3.3:1
- Automatic Lockup Clutch
- Effective in first, second and third ranges
Allison TX100 Range Gearing
- Type
- Constant mesh, spur-type, planetary
- Range
- Ratio (does not include torque converter ratio)
- First
- Ratio (does not include torque converter ratio)
- 3.3:1
- Second
- 1.93:1
- Third
- 1.00:1
- Reverse
- 4.35:1
TX100 Range Controls
- Type
- Automatic with manual selection
- Range
- R
- 2-3
- 1-2-3
- 1-2
- 1
TX100 Power Takeoff
- 2 PTOs
One Each Side - 1.0 x Turbine Speed
100 hp (75 kW) rating per side
TX100 Oil System
- Oil Type
- MIL-PRF-2104 (MIL-L-2104)
- Oil Capacity
- 5 US gals (19 liters)
(excluding external circuit) - Oil Filter
- Replaceable Cartridge
TX100 Weight
- Dry Weight
- 309 lbs (140 kg)
Compatible Vehicles (End Use Equipment)
M113 Automatic Transmission by Application
- TX100 Used on the original M113 (M113A0)
- 2815-00-410-1203
- TX100-1 Used on M113A1 and M113A2 Family of Vehicles
- 2520-01-133-9227
2520-00-066-4240 (6C Yoke)
2520-01-120-2169 (7C Yoke)- TX100-1A Used on M113A2 Family of Vehicles
- 2520-01-295-1301
- X200-4 Cross-Drive Used on M113A3 and M113A4 Family of Vehicles
- 2520-01-201-4784
- X200-4A Cross-Drive Used on M113A3 and M113A4 Family of Vehicles
- 2520-01-397-1074
- 2815-00-410-1203
M113 Transfer Case by Application
- M548, M548A1 Tracked Cargo Carrier
M730, M730A1 Chaparral Anti-Aircraft Missile- 2520-01-047-8613
- M1015, M1015a1 Electronic Warfare Carrier
- 2520-01-087-0156
- M113A2 (TX100-1A Transmission) FOV
YPR-765 (TX100-1A Transmission)- 2520-01-150-0120
- M113A1 Family of Vehicles (FOV)
- 2520-00-572-8605
2520-01-239-1782- M113A2 FOV with 100 Amp Generator
- 2520-01-061-5570
- M113A1 FOV, M113A2 FOV with 200 Amp Generator
- 2520-01-362-8589
- M667 Guided Missile Carrier
- 2520-00-800-3405
- M113A3 FOV (Cancelled)
- 3010-01-242-4747
- 2520-01-047-8613