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40′ Round Bottom | Frameless | S325
Main Specs
Trailer Material
Steel
Inventory Type
New
Frame Type
Frameless
Width
102
Color
Black Gloss
Model
40RB
Year
2025
Body Specs
Sidewall Height
72
SideWall Thickness
3/16"
Floor Thickness
3/16”
Fenders
Rear Over Wheels Only Aluminum Mill
Rear End
Straight
Tailgate Specs
Gate Hinge
Side
Gate Type
Swing
Gate Material
Aluminum
Axles Suspension and Wheels
Suspension Type
Air Ride
Number of Axles
Tandem
Tire Size
11R22.5"
Tire Type
Shallow Tread Road
Outside Wheels
Aluminum
Landing Gear
2-Speed
40′ Round Bottom | Frameless | S325
The MTM Promise
- Advanced engineering to maximize your payload
- Industry-leading warranty
- Easy factory financing
- Support for as long as you own the trailer
Get Pre-Approved
Explore easy factory financing options with MTM Capital to make buying a trailer more accessible. We understand that different businesses have different needs, so we work with most credit types to find a solution that fits.
We Take Trade-Ins
Looking to upgrade your trailer? At MTM, we accept used trailers as trade-ins, making it easier to step into a newer model. Trade in your current trailer and apply its value directly toward the down payment of your next high-performance end-dump trailer. This process is straightforward and designed to be hassle-free.
Reach out to us to discuss how we can help transition you to a newer, more efficient trailer with ease.








