New and Used 3..91 (Ratio) For Sale

Find new and used Semi Truck 3..91 (Ratio) for sale in stock near you with fast delivery. View all 2 18-wheeler parts including Cabs, Engine Parts, Fuel Tanks, Differentials, and more.

Having trouble finding your part?
Let TPI find the part for you.

Start your free Part Request.
No strings attached.

Rear Rears (Tandem Rear or Single)

Ratio Truck Year Differential Make (Rear) Differential Model (Rear) Condition
Photo of part Used 1993 Meritor/Rockwell RT40-145 Rear Rear (Tandem Rear or Single) Call for price
3..91 1993 Meritor/Rockwell RT40-145 Used
(USED) 40,000 LBS MERITOR/ROCKWELL RT40-145 REAR DIFFERENTIAL - 3.91 GEAR RATIO

Front Rears (Tandem Front)

Ratio Truck Year Differential Make (Front) Differential Model (Front) Condition
Used 2005 Spicer/Dana DS46-170 Front Rear (Tandem Front) (Stock #X-21K03-1) Part Image Used 2005 Spicer/Dana DS46-170 Front Rear (Tandem Front) Call for price
3..91 2005 Spicer/Dana DS46-170 Used
GOOD USED

No parts have recently been viewed.

Start browsing parts Here