Big R Differential & Gear

Big R Differential & Gear We are experts in remanufactured differentials and drive axle repair. We are experts in differential rebuilding and remanufactured units.

If you looking to do a gear ratio change, add a posi or locker unit to your classic car or off road vehicle or Just need a complete remanufactured axle for your daily driver you have come to the right place! We can also straighten axle housings, shorten axle housings and repair Dana 60,70 & 80 housings that have spun carrier bearings in the center section. Disc brake conversions for many applicati

ons available. We use only the highest quality parts from brands like Yukon, Spicer, Elite Gear, AAM, US gear, Nitro Gear, and more! We can also help with many manual transmission & 4x4 transfer case rebuilds as well! With over 20 years experiece in the drivetrain rebuilding business you can be sure the Job will be done right!

We love working with and helping other shops with their needs! Contact Henry Royle @ Royco Diesel for all your performan...
07/11/2026

We love working with and helping other shops with their needs! Contact Henry Royle @ Royco Diesel for all your performance needs!

Stopped over at BIG R’s in Randolph to pick up some parts for an axle I had in the shop come to find out my buddy over at now sells all Shaffer products J4 FABRICATION

06/22/2026

We are Excited to be teaming up with Jimmy OMeara III and J4 FABRICATION so we can now offer Custom Fab metal work, In house and Mobile Welding including Aluminum Tig welding. Contact Big R Service Center for any Welding needs!

Do you have Automotive repair or Drivetrain rebuilding experience? We are looking to add another Technician to out team!...
06/01/2026

Do you have Automotive repair or Drivetrain rebuilding experience? We are looking to add another Technician to out team! Contact us for more info!

Todays carnage. A little water mixed in there! Still drove ok but the damage is done. If you have a boat its a good ide...
12/10/2025

Todays carnage. A little water mixed in there! Still drove ok but the damage is done. If you have a boat its a good idea to get your rear axle fluid changed more often to prevent fluid contamination from water intrusion.

Our Remanufacturing process includes fully shot blasting the axle housing before any new parts are installed, this insu...
11/15/2025

Our Remanufacturing process includes fully shot blasting the axle housing before any new parts are installed, this insures you that everything is cleaned properly, inspected for any cracks or wear and creates a clean surface for our primer and top coat paint.

11/15/2025

Some custom superduty axles we finished up. 4.30 gears, air lockers, Dynatrac Ball Joints, Yukon Hard-core locking hubs! Call us today with your needs!

11/15/2025

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Total Takeover 3!!! this Friday! Stop in or give us a call to discuss your Differential and Suspension needs! Special pr...
04/09/2025

Total Takeover 3!!! this Friday! Stop in or give us a call to discuss your Differential and Suspension needs! Special pricing on Yukon, Icon, Carli, Dynatrac and Cognito parts!

Carli Suspension Cognito Motorsports Yukon Gear & Axle Dynatrac

This sounds about right 😀
02/20/2025

This sounds about right 😀

12/23/2024

Address

4451 Upper 291st Street E
Randolph, MN
55065

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+5072637000

Website

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