Thousands of new & rebuilt truck differentials in stock.
Rebuilt CAT Differentials
The differential plays a critical role within a Cat® machine’s drivetrain by changing the direction of the power coming from the transmission 90 degrees to allow the axles to be driven. They also allow speed and torque differences between the left and right axles.
Rebuilt Dana Differentials
We offer a variety of Dana differentials. All in stock ready to ship out today. We can help when you need a special TTC Spicer differential for your truck or equipment. We have distributor and factory inventories to provide overnight availability on hundreds of differential models and ratios!
Rebuilt Eaton Differentials
We service and install any and all Eaton Truck and Equipment Differentials for Freightliner, Kenworth, International, Peterbilt, Volvo, Mack, Ford, GMC, Crane Carrier, CCC, Autocar, Western Star, Dodge and Oshkosh trucks.
Rebuilt Fabco Differentials
We supply the full line of rebuilt Fabco rear-ends and differentials parts for your equipment, truck, semi, 4-wheel drive, off-road and performance vehicle. Fabco axle systems are durable and low maintenance with an extended service life.
Rebuilt FWD Differentials
Thousands of rebuilt fwd differentials in stock ready to ship today. Contact our differential experts today. We are your one-stop rebuilt differential shop. We service and install any and all, rebuilt fwd differentials.
Rebuilt International Differentials
We stock a full line of new, used and rebuilt International differentials, replacement parts and other accessories ready to be shipped to you at a moment’s notice!
Rebuilt International Differentials
We service and install any and all, rebuilt Isuzu differentials. We have all models of Isuzu Axles and Differentials in stock.
Rebuilt Mack Differentials
Quality comes first. We use the highest quality parts for each unit we rebuild and professionally trained re-builders ensuring the finest replacement product for your Mack truck or customers to keep them coming back to your shop time and again.
Rebuilt Marmon-Herrington Differentials
We can deliver your rebuilt Marmon-Herrington differential by tomorrow. We also ship worldwide. We offer reman Marmon-Herrington differentials and parts.
Rebuilt Meritor Differentials
New, used and rebuilt Meritor Differential, Meritor differential parts available. Thousands of Rebuilt Meritor differentials in stock, ready to ship today.
Rebuilt Navistar Differentials
Our warehouse is stocked full and ready for whatever you may need, including rebuild kits, bearing kits, ring and pinion sets and any other related part you may need at discounted prices.
Rebuilt Oshkosh Differentials
Thousands of rebuilt Oshkosh truck differentials in stock ready to ship today. We are your one stop rebuilt Oshkosh differential shop. We service and install any and all, rebuilt Oshkosh differentials.
Rebuilt Rockwell Differentials
Rockwell truck and equipment differentials from tandem drive axles, front steer axle to single axle differentials including new, used and rebuilt differential axle shafts ready to ship Worldwide!
Rebuilt Spicer Differentials
We offer a vast variety of rebuilt Spicer differentials for trucks and equipment. Call today to find out what we can do for you and how we can deliver your Spicer differential to anywhere in the World with same day shipping.
Rebuilt Sterling Differentials
We are your one stop rebuilt Sterling truck differential shop. We can deliver your rebuilt Sterling differential by tomorrow. We also ship worldwide.
Rebuilt Timken Differentials
We want to earn your business and will help you in any way we possibly can. ProGear and Transmission Inc. is here to serve you.
Rebuilt ZF Differentials
We offer reman ZF differentials and parts. Thousands of rebuilt ZF equipment differentials in stock ready to ship today.
Don’t see the differential you need? Call & speak to a differential expert.
We carry rebuilt, new and used differentials and parts for big rigs, trucks and equipment. Our experienced staff can also help you with your differential-related questions. At Pro Gear and Transmission Inc., we are your one-stop rebuilt Differential shop.
We service and install any and all, rebuilt differentials. Thousands of differentials in stock, ready to ship today including, new and rebuilt Mack differentials, Rockwell differentials, Eaton differentials, Differential Parts, and more. We can help you with any semi truck part no matter what brand. If you don’t see the parts you need, give us a call we stock all makes and models.
How to calculate differential gear ratio?
Your axle gear ratio determines how many times your driveshaft rotates for every full tire rotation. The gear ratio can often be determined from the vehicle’s VIN code or listed on the axle tag. Some manufacturers, may not include that information in the VIN. The ratio can also be found by dividing the number of teeth on the ring gear by the number of teeth on the pinion gear.
[ Ring Gear Teeth / Pinion Gear Teeth ] = [ 41 / 11 ] = [ 3.73 ]
GEAR RATIO CALCULATOR
Calculate your gear ratio below by entering the number of teeth on your ring gear & pinion gear.
Call Today & Receive Your Parts Tomorrow
- Rebuilt Differentials
- Installation Kits
- Positraction and Lockers
- Ring & Pinion Gears
- Spools & Mini Spools
- Cases & Spider Gears
- Pinion Yokes
- Bearing Kits
- Seal Kits
- Axle Shafts
- Performance & Race Parts
- Differential Covers
- Parts & Accessories
- Axle Bearing Kits
- Gears
- Drivelines
- Shafts
- Third Members
- Brake Kits
- Cylinders
- Housings
- Bearings
- Setup Tools
- Oil & Additives
- Gears Sets
- Crown & Pinions
- Shift Levers