Catalyst Powertrain
Complete Service and Rebuilds
Allison 4000 Series Transmission
Catalyst Powertrain is an Allison Transmission authorized service center. We deliver reman units, parts, repair, and maintenance for all Allison On Highway Transmissions.
Reman Spring Special
- Remanufactured by Catalyst Powertrain.
- Reman work performed by our Allison-trained techs.
- Dyno tested under load prior to shipment or installation.
About the Allison Transmission 4000 Series for On Highway
This powerful transmission series is designed for heavy duty commercial vehicles in service across a range of vocation applications including:
- Distribution
- Fire and Emergency
- Utility
- Municipal
- Refuse and Sanitation
- RVs
- Motorhomes
- School Buses
- Public Transportation
Features of the 4000 Series
The 4000 Series is known for smooth operation, delivering high performance while maximizing fuel efficiency.
Gear Ratios
- Close
- FIRST: 3.51
- SECOND: 1.91
- THIRD: 1.43
- FOURTH: 1.00
- FIFTH: 0.74
- SIXTH: 0.65
- SEVENTH: N/A
- REVERSE: -4.80
- Advanced electronic controls
- Optional integral retarder
- PTO available
Ratings of the 4000 Series by Vocation Application
Learn more about the Allison 4000 Series via the Allison Transmission site.
General Vocation
Gross Input Power:
- 421 kW
- 565 hp
Gross Input Torque
- 2508 N*m
- 1850 lb-ft
Net Turbine Torque
- 3525 N*m
- 2600 lb-ft
Fire Truck / Emergency
Gross Input Power:
- 447 kW
- 600 hp
Gross Input Torque
- 2508 N*m
- 1850 lb-ft
Net Turbine Torque
- 3525 N*m
- 2600 lb-ft
ARFF
Vocation
Gross Input Power:
- 447 kW
- 600 hp
Gross Input Torque
- 2508 N*m
- 1850 lb-ft
Net Turbine Torque
- 3525 N*m
- 2600 lb-ft
HET
Vocation
Gross Input Power:
- 447 kW
- 600 hp
Gross Input Torque
- 2508 N*m
- 1850 lb-ft
Net Turbine Torque
- 3525 N*m
- 2600 lb-ft
Refuse
Vehicle
Gross Input Power:
- 373 kW
- 500 hp
Gross Input Torque
- 2300 N*m
- 1696 lb-ft
Net Turbine Torque
- 3322 N*m
- 2450 lb-ft
Ag Spreader, Sprayer, Blower, Feedlot Truck
Gross Input Power:
- 421 kW
- 565 hp
Gross Input Torque
- 2400 N*m
- 1770 lb-ft
Net Turbine Torque
- 3525 N*m
- 2600 lb-ft
For more information regarding your Allison Transmission 4000 Series transmission, please contact us today!