Eaton Fuller Transmission Parts

New, used and rebuilt Eaton Fuller parts and kits, from mid-range units to Roadranger auxiliary sections, and the lube check that keeps them alive.

We stock new, used and rebuilt Eaton Fuller transmission parts for everything from Fuller mid-range transmissions to the auxiliary (AUX) section of a Roadranger. We have rebuilt transmissions for decades and specialize in Eaton Fuller, so if you are not sure which part you need, call and we will work it out with you. We can also send parts breakdowns and service manuals for your model.

Kits save money over loose parts

A rebuild kit costs less than buying the same parts one at a time. We carry rebuild kits, master rebuild kits, bearing kits and gasket kits, or the single part to fix one failure. Shop Eaton transmission parts or browse transmission rebuild kits.

What to inspect while it is apart

Check these for wear and damage before anything goes back in:

• Input shaft, mainshaft drive gear, countershaft drive gears and countershafts
• Overdrive gears, mainshaft gears, washers and keys, including auxiliary washers
• Synchronizers, sliding clutch and shift forks
• Front bearing cover, output seal, snap rings, O-rings and clutch shaft bushings
• Air hoses, slave valve, range valve and the shift tower O-ring
• Speed sensor and electronic controls

We also sell shifters, shift knobs, splitter covers for 13 and 18 speeds, clutch brakes, tapered roller, ball and cylindrical roller bearings, yokes, cases and bell housings for most models.

Proper lubrication is the key to long transmission life

Eaton Fuller transmissions are designed so the internal parts run in an oil bath that the gears and shafts circulate as they turn. If the oil is not doing its job, no other maintenance will save the transmission. Every part stays lubricated when you:

• Maintain the oil level
• Follow the maintenance interval chart
• Use only the recommended lubricant
• Buy lubricant from a reputable dealer

Checking the oil level

Before checking, idle the engine with the transmission in neutral for at least 2 minutes. Lubricant temperature must be between 60 °F and 120 °F (15.5 °C and 48.8 °C).