Allison Transmission Service & Parts

Palmer Johnson is a leading service center and remanufacturer of Allison off-highway transmissions. Palmer Johnson uses 100% OEM original parts, testing transmissions to original factory specifications.
Palmer Johnson installs the latest factory updates on all Allison transmission and torque converter repairs and remans. Coupled with rigorous testing procedures, this ensures quality and maximum transmission life in the field.
Palmer Johnson services Allison transmissions in the following industries:
- Mining
- Construction
- Oil and Gas
- Government
- Armed Forces
- Industrial
Allison Off-Highway Service Network

Palmer Johnson's professional 10-location service network features:

50+ Experienced technicians

Field service

Onsite troubleshooting and diagnostics

Unit removal &installation

100% genuine replacement parts

Testing to original factory specifications

12-month warranty