The Heavy Duty Transaxle technical team keeps your equipment running.

Solving Problems Is
What We Do Best

Heavy Duty Transaxle has served the off-road transportation industry since 1995, and our experts have more than 60 years of combined experience.

After one phone call, you will know what so many of our customers already know: When it comes to off-highway solutions, there is no equal.

Meet the Team

Heavy Duty Transaxle has served the off-road transportation industry since 1995.

Steve Manion, President

Steve Manion Headshot - Heavy Duty Transaxle

Steve Manion, President

Steve is the founder and president of Heavy Duty Transaxle. With over 30 years of field sales experience, Steve has the real-world product knowledge to help you with your off-highway and heavy-duty drivetrain problems. Steve works with both small and large companies in the mining, oil field, construction, and logging industries.

When he’s not getting heavy-duty equipment back on the road, Steve enjoys hunting, fishing, and spending time with his grandchildren.

Marty Smith, Shop Foreman and Lead Instructor

Marty Smith, Heavy Duty Transaxle Shop Foreman and Lead Instructor

Marty Smith, Shop Foreman and Lead Instructor


With decades of experience in both military and civilian heavy equipment repair, Marty Smith is a recognized leader in axle rebuilds and maintenance. His disciplined approach, developed in the US Army, and his unparalleled attention to detail make him an invaluable instructor. Marty has rebuilt countless AxleTech, Meritor, and Kessler systems and now shares his expertise through our comprehensive training program.

Technical Team

Tech Team Heavy Duty Transaxle badge

Technical Team

With over 60 years of combined experience, our mechanics know how to get the toughest jobs done. A lot of guys can turn a wrench, but it takes more than that to diagnose and solve the big problems.

We recruit and hire only the brightest and most qualified mechanics and parts experts. You won’t find a lot of fooling around at our shop — we’re here to do a job.

Watch our builds on YouTube.


Product
Info Sheets

Download our product info sheets for more information on the parts we sell and the services available:


Contact Us

Can’t find what you’re looking for? Have questions about our stock?

Fill out the form below and someone will contact you within 1-2 business days. Please be sure to include as much detail as possible, such as the type of equipment you’re working with, the parts needed, and any model & serial numbers, or casting numbers if known.

    Mailing Address

    PO BOX 160
    Monroe, WA 98272
    United States of America

    Shipping Address

    16891 146th St. SE #103
    Monroe, WA 98272
    United States of America