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Eaton Fuller Replacement Parts for 5 speed transmissions.

See the Eaton parts manual above to choose the Fuller replacement parts for your transmission. When you know the part numbers you need you can enter them in the search bar above and add them to your cart. We also have service manuals to help you repair your transmission. We stock bearing kits main shaft, counter shaft, gears, top covers, seals and rebuild kits. If you need help call an Expert, 1 877 776 4600. We ship world wide.

Use the Nomenclature below to better ID your Eaton Fuller 5 Speed Transmission:


Identification Example: FS-4205A
First & Second Digits FS = Fuller Synchronized
Third Digit x 100 = Nominal Torque Capacity
Fourth Digit = Design Level
Fifth & Sixth Digits 05 = Forward Speeds
Sixth Digit A = Ratio Set


Eaton Fuller 5 Speed ID

Example: T-11605A
FR = Fuller Roadranger
R = Roadranger
T = Twin Counter-shaft
L = Low-Inertia Concept
O = Overdrive
X = Overdrive
First Digit T = Twin Countershaft
Second & Third Digits x 100 = Nominal Torque Capacity
Fourth Digit = Design Level
Fifth & Sixth Digits 05 = Forward Speeds
Sixth Digit A = Ratio Set

Eaton Fuller 5 Speed delivers up to 60 to 70 % lower life cycle cost than a conventional automatic!

– No clutch adjustments

–Up to $1,800 in possible cost savings!

– Longer wearing synchronizer material decreases synchronizer replacements — up to $1,300 in possible savings!

• Extended component life

– New synchronizers are the most durable in the industry, with greater wear resistance for longer life.

– Improved transmission seals deliver greater protection against damage caused by lube loss.

– Clutch has self-adjusting feature to eliminate adjustments and extend life.

FS-6305A FS-5406A FSO-6406A

FS-6305B FS-6406A FSO-8406A

• Increased up time and improved productivity

– no clutch adjustments, more durable synchronizers and improved seals means less required maintenance resulting in increased vehicle up time and improved productivity.