Transmission & Axle Service

We save our customers money and downtime by providing the most appropriate, thorough service/support as quickly as possible.

From the smallest fixes, to entire remanufacturing programs, we have the resources to get your equipment back in the field and running like new. Our extensive inventory and far-reaching network allows us to offer the most cost-effective service around.

PJ Service

24/7 Support

We have you covered when all you need is a quick answer, a few parts or someone on-site to expedite services. Our veteran support team rocks at quickly responding to customers; we’re available by phone 24/7 and can usually be on-site within hours.

One Week

Quick Turnarounds

We turn around most jobs in under two weeks, but can expedite if necessary. Additionally, all our incoming service/support requests are scheduled carefully so small fixes and pressing repairs can be dealt with promptly.

Factory Quality

Factory Quality Rebuilds

Our team is made of the best technicians and service minds in the business. Their drive and extensive expertise allow us to restore components in dire straits to like-new working condition.


Express Fleet Repair

Three master rebuild centers and seven full-service centers expand our reach well beyond the walls of our Wisconsin headquarters. Each center can respond to virtually any in-shop and on-site repair; a network that allows us to run large, expedited service programs reducing fleet downtime.

Oil and Fluid Analysis

Oil Analysis

Our fluid analysis program helps maximize equipment uptime and minimize repair costs by establishing a baseline that helps detect abnormal wear in your powertrain components. Components wear differently, so understanding what to look for in an oil sample is difficult. This is where our experts can help.

Exchange Unit

Exchange Units

Palmer Johnson stocks a broad range of fully remanufactured exchange units to keep your equipment up and running. Units are remanufactured with only 100% genuine OEM parts and backed with a 12-month warranty.

"Theo [at Palmer Johnson] is professional, accurate and very quick to respond to questions or concerns. I find it an honor to work with her, she is excellent at her job."

Lynda – Minnpar

"We were in a bad spot with a broke down ARFF truck. Palmer Johnson sent a rep., trouble shot the problem and had us back up and running. THANK YOU! Did I mention they did an AWESOME job!"

Jared H - City of Quincy