Rebuilt truck transmissions, differentials and parts
Pro Gear and Transmission has rebuilt and supplied heavy duty truck transmissions and differentials out of Orlando since 1997. Give us the model off the tag and we will find the unit or the part and ship it.

What we sell
Rebuilt transmissions
Eaton Fuller, Mack, Spicer, Dana, Rockwell and ZF units, rebuilt in our Orlando shop with genuine components.
See the transmissions
Rebuilt differentials
Meritor, Rockwell, Eaton, Spicer, Mack, International and more, plus ring and pinion sets and differential parts.
See the differentials
Transmission parts
Rebuild kits, bearings, gears, shafts, seals and more for Eaton Fuller, Mack, Spicer, Rockwell and ZF transmissions.
Find your partsEaton Fuller transmissions and parts
We carry the Eaton Fuller line from the 5 and 6 speed mid-range units up to the 18 speed Roadranger, new, used and rebuilt, along with the parts to overhaul one yourself: rebuild kits, bearing kits, gasket kits, synchronizers, shift forks, input and main shafts, countershaft gears, slave valves and shift knobs.
- Rebuilt Eaton transmissions and rebuilt Fuller transmissions
- The Eaton Fuller transmission line, from 5 to 18 speeds
- Eaton transmission parts and Fuller transmission parts
- Order online: Eaton Fuller transmissions and Eaton transmission parts at pgttruckparts.com
Every major drivetrain brand
Besides Eaton Fuller we rebuild and supply transmissions from Mack, Spicer, Dana, Rockwell and ZF, and differentials from Meritor, Eaton, Spicer, Mack, International and more, for Kenworth, Peterbilt, Mack, Freightliner, International and Western Star trucks. Transfer cases and PTOs too.
Why buy from Pro Gear
- Rebuilt in house. Our technicians rebuild transmissions and differentials in the Orlando shop,
with genuine OEM components, to the original factory specifications.
- Warranty. New and rebuilt differentials, transmissions, transfer cases and PTOs are covered by
a one year, unlimited mileage warranty (see warranty; all other warranties are those of the manufacturer).
- Worldwide shipping. We have exported for more than twenty years and ship stock units the same day.
- We buy cores. We are looking for Eaton Fuller 13 and 18 speed transmission cores, and we buy
overstock Fuller transmission parts and other drivetrain parts for all makes.
Need a transmission or differential today?
Give us the model and serial tag number, or the ratio off the differential tag. We will find the unit or the part, price it and ship it.