Catalyst Powertrain
Complete Service and Rebuilds
Allison 4000 Series Transmission
Catalyst Powertrain is an Allison Transmission authorized service center. We provide reman units, parts, repair, and maintenance for all Allison Off Highway Transmissions.


About the Allison Transmission 4000 Series
This powerful transmission series is designed for heavy duty commercial vehicles in service across a range of vocation applications including:
- Agriculture
- Construction
- Energy
- Distribution
- Fire and Emergency
- Mining
- Utility
- Municipal
- Port and Marine
- Refuse and Sanitation
- RVs
- Motorhomes
- School Buses
- Public Transportation
- Tractors



Features of the 4000 Series
The 4000 Series is known for smooth operation, delivering high performance while maximizing fuel efficiency.
- Up to 7 speeds
- Close or wide ratio gearing
- 2nd reverse
- Advanced electronic controls
- Optional integral retarder
- PTO available
Learn more about the Allison 4000 Series via the Allison Transmission site.

For more information regarding your Allison Transmission 4000 Series transmission, please contact us today!