Your Maryland leader in heavy-duty manual transmissions, differentials, steering boxes and transfer cases

Our Heavy Duty Truck Services


We're the experts in heavy-duty manual transmission. We have the products and service capabilities to help you extend the life of your transmission, maximize uptime, and experience optimal performance. Our number one goal is to get you back on the road!


We carry an extensive inventory of new differential components for your light-, medium- and heavy-duty vehicles. Our in-house differential rebuild shop also offers industry-leading custom repair and complete remanufactured differentials to ensure we always meet or exceed your expectations.

Steering Boxes

At Gearhouse, our technicians can replace your steering box. Our professionally trained technicians perform steering service and maintenance using only the latest diagnostics and specialized tools.

Transfer Cases

In order to keep your vehicle running smoothly, your differential and transfer case needs to be operating at peak performance. From fixing a leak to changing the gear ratio in your heavy-duty truck or rig, we can do it all. We stock and tear down and rebuild transfer cases for your trucks.

Gearhouse's Proven Methodology

Superior Quality

Genuine parts and all of the work completed by our experienced mechanics

Professional and Timely

We aim to reduce downtime. You aren't making money when you're trucks are in repair

Competitive Pricing

With the best mechanics in the area, we charge you fair prices for our high-quality work

Our Warranty

We offer 12 month warranties on rebuilt units