We Don’t Just Ship Parts. We Keep Fleets Moving.
Heavy Duty Transaxle delivers critical drivetrain parts, OEM-quality rebuilds, and expertise to reduce downtime and keep your operation running.
When Downtime Isn’t an Option, You Need
a Partner Who Keeps You Up and Running
HDT is your reliable source for new, used, and hard-to-find drivetrain components for off-highway and off-road equipment. Since 1995, we’ve served the heavy-duty industry with expert solutions that keep your vehicles and machinery performing at their peak.Whether you’re looking for obsolete drivetrain parts or OEM-quality replacements, our team is here to help you minimize downtime and maximize uptime.
Our Specialties Include:
We Keep Your Fleet Moving
We have the stock drivetrain parts, expert support, and technical know-how to keep off-highway equipment running strong.
Hard-to-Find Isn’t Hard for Us
From out-of-production axles to OEM-spec rebuilds, we help you source the parts others can’t.
Fast Track Program: Downtime Stops Here
Our Fast Track Program prioritizes urgent orders with dedicated sourcing, expert support, and rapid turnaround—because every hour counts.
Transmission More Than a Supplier
We offer drivetrain repairs and training, so your team can stay sharp and your equipment stays reliable.
In-Stock New, Used, & Obsolete
Off-Highway Drivetrain Products
Heavy Duty Transaxle is your trusted source for new, used, and obsolete off-highway drivetrain components. Since 1995, we have proudly served the off-road transportation industry, offering expert solutions to keep your equipment performing at their best. Whether you need hard-to-find parts or reliable replacements, our team is dedicated to finding exactly what you need to get back on the road.
Our Specialties Include:
- Rigid Planetary Axles and Tandems:
Durable and reliable for the toughest applications. - Transmissions:
Both on-highway and off, HDT offers high-performance options to keep your vehicles shifting smoothly. - Brakes:
Top-quality braking systems for safety and performance. - Differentials:
Precision-engineered for maximum efficiency and durability.
Trust Heavy Duty Transaxle to provide the drivetrain products and expertise you need, with a large inventory ready to meet your demands.
Fast Track: Critical Drivetrain Components on Demand
When a part you need is no longer available (NLA), the cost goes beyond money — it’s lost time, customers, and trust. Every hour of downtime slows productivity, cuts profits, and puts your business at risk. HDT’s Fast Track program is an on-demand, on-call elastic inventory solution that ensures your critical drivetrain parts are ready to ship when you need them.
- Significantly Reduce Downtime
- Control your Costs
- Rapid Availability & Priority Service
- Secure Storage & Custom Inventory
Don’t wait for downtime to grind your operations to a halt. Explore how Heavy Duty Transaxle’s Fast Track program helps you lock in pricing and eliminates downtime in your operation.
Independently Owned, Supported by OEMs
Since 1995, Heavy Duty Transaxle has been a trusted name in the off-highway and heavy-haul industry, delivering top-quality drivetrain parts and solutions. As North America’s largest independent distributor of Axletech and Meritor off-highway components, we offer unmatched inventory and industry expertise. We also sell and service Kessler, Sisu (Marmon Herrington), Eaton/Dana/Spicer, and Fuller drivetrain components, as well as older equipment, such as Clark and Rockwell. No matter the application, you can rely on us to keep your equipment running smoothly.
OEM-Spec Drivetrain Rebuilds. Rapid Turnaround.
With expertise spanning decades, Heavy Duty Transaxle rebuilds and supports a wide variety of off-highway drivetrain components, including axles, differentials, and transmissions. Our team of technicians ensures your equipment meets the test in the most demanding applications.
Our Specialties Include:
Transmission & Axle Rebuilds
Our team delivers precision rebuilds that meet or exceed OEM standards, tested under load for durability and performance.
Component Sourcing
From new units to discontinued parts, we track down drivetrain components for Kenworth, Taylor, Kalmar, Meritor, Kessler, and more.
Obsolete Parts Support
Custom solutions and inventory for legacy equipment still in the field.
The Only Meritor-Certified Off-Highway Training Center in the World
Train your mechanics on real equipment with expert-led instruction from Marty Smith, one of the most respected names in drivetrain repair. We specialize in planetary axle, transmission, and off-highway equipment repair for Kenworth, Western Star, Taylor, Kalmar, Toyota, Hyster, and many other OEMs. If you’re responsible for keeping heavy equipment running, this program is built for you.
Features:
- Group training options available
- On-site training at your facility
- Hands-on courses at our Puget Sound training center
- Self-paced online LMS modules – coming soon
Built For Your Environment
AxleTech Axle Shaft
3202A7723
3202L6382
3202P143
3202T8522
3206U1841
3202B7724
3202L9814
3202Q8805
3202T9016
3802R1084
3202C6312
3202L6382R
3202R9170
3202W7667
3802S1085
3202E8815
3202M8957
3202S8521
3202X6732S
3802G1463
3202G9783
3202M8957R
3202S9015
3202X7668
3202H9784
3202M9945X
3202S9171
3202Z8424
3200A1327
3200A132717280
3200A132717311
3200A132717328
AxleTech Spur Gear
3892×3318
AxleTech Diff Kits
940002053A01
A3230W23
A88245014
Hard to Find. Ready to Ship.
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Getting it Done Right
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