Axle & Gear Upgrades for Diesel Trucks

Tombstone Diesel offers professional axle and differential gear upgrades to maximize strength, performance, and reliability. Whether you need better towing capability, off-road traction, or high-speed stability, we deliver precision setups tailored to your driving style and power level.

About Our Axle & Gear Services

We rebuild, re-gear, and upgrade axles for heavy-duty work, performance builds, and extreme off-road applications. From OEM gear replacement to advanced aftermarket solutions, we use proven parts and exacting setup techniques for long-term durability and quiet operation.

Platforms We Service

• Ram Cummins – 5.9L & 6.7L (1994–Present)
• Chevy/GMC Duramax – LB7, LLY, LBZ, LMM, LML, L5P
• Ford Power Stroke – 7.3L, 6.0L, 6.4L, 6.7L

Popular Axle & Gear Services

• Ring & pinion re-gearing (tow, highway, or off-road ratios)
• Differential rebuilds & upgrades
• Limited-slip & locking differentials
• Axle shaft upgrades and chromoly options
• Heavy-duty bearing & seal kits

Why Choose Tombstone Diesel?

• Precision gear setup for strength, longevity, and low noise
• Solutions for towing, off-road, and race applications
• Platform specialization: Cummins, Duramax, Power Stroke
• Transparent quotes and reliable timelines

Service Areas

Axle and gear work is performed at our Castle Rock, CO facility, serving Colorado Springs, Parker, Denver, Broomfield, Fort Collins, Greeley, Sterling, plus Wyoming, New Mexico, Nebraska, and Kansas.

Request an Axle/Gear Quote   Schedule Service

Related Diesel Services

• Axle & Gear Upgrades
• Tire Mount, Balance & Alignment
• Engine & Transmission Repair
• Turbo & Manifold Upgrades
• Contact Tombstone Diesel