- Keep your equipment producing ask about a rebuilt transmission or schedule preventative maintenance
- Truck Shop servicesDOT InspectionsTruck Shop Service Centers
Full Maintenance and Repairs
Call 800 872-6691 today! - off highwayallison
certified
shopGetting You Back To Business Fast
Catalyst Powertrain Delivers Every Timeon highwaycustom - Catalyst PowertrainConstruction & Municipal
Heavy Duty Fleet Maintenance
Repair and Replacement Parts - FIRETRUCK & EMERGENCY VEHICLESCATALYST POWERTRAINOur certified technicians keep
your rigs running right.
Schedule your maintenance today.
Call 800 872-6691. - US Transmissions
Rebrands As
Catalyst PowertrainRead the Announcement -



TRANSMISSION LEADERS
Catalyst Powertrain is your leader in on highway and off highway industrial transmission overhauling and repair. Since 1986 we have been serving customers in the Construction, Mining, Farming, Marine, Logging, Energy, Trucking and Material Handling industries.
With one of the largest Allison Transmission inventories in the United States, our customers benefit from same day availability on remanufactured transmissions and Genuine Allison parts.
CERTIFIED and EXPERIENCED
Our certified service technicians and sales staff in Seattle and Portland have over 120 years of combined experience in the Allison and industrial transmission fields. Along with our Allison product lines, Catalyst Powertrain service centers in Seattle and Portland provide full-service Truck & equipment repair needs to help customers reduce downtime and increase profits!
Transmissions, differentials, PTOs, axles, clutches, and much more… Call today for more information!
EXCEEDING EXPECTATIONS
Our primary goal is exceeding our customers’ expectations in every aspect of their experience.
From the time customers first contact us with an inquiry to the time they receive or install our product, our customers can count on honest, helpful information and competitive pricing from our staff. Please feel free to give us a call today.