Severe Duty Flatbed Trucks

When you’re looking for flatbed truck bodies built with heavy hauling in mind, our Heavy Hauler Platform Body is what you need.

The Heavy-Hauler Platform Body is our heaviest-duty flatbed body and is built to work. Beefy, structural steel cross sills and long sills ensure it can withstand your heaviest of jobs. Heavy-duty bulkheads and external rub rails ensure your cargo stays where it’s supposed to be, keeping the operator and roadways safe.

Whether it is lumber, bricks, steel, equipment, or whatever you need to transport, count on Knapheide’s Heavy-Hauler to move it.

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Complete our online quote request form and we'll help you get in touch with the right Knapheide distributor or dealer to meet your needs and get you a vehicle quote.

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E-Coat Immersion

Knapheide Bodies are fully immersed in Knapheide's 12-step, electrodeposition prime paint system for superior corrosion resistance.


Choose from either two-piece 3/16" treadplate steel, two-piece 7 gauge smooth steel, or 2" pine flooring.


Structural long sills with gusseted cross members | 5” on 12’ and shorter platforms | 7” on 14’ and longer platforms. Structural channel cross members are spaced on 12” centers


Under side of body receives additional corrosion protection with Knapheide's water-based undercoat.

Side and End Rails

Side and end rails constructed of structural C-channel steel for rigidity and strength.

Rub Rails

External rub rail constructed of 3/8” steel located on both sides and across the rear of the platform.

Recessed LED Lighting

Recessed LED RID lights located on the front and back corners of the side rails and rear tail skirt for increased visibility.

Finish Paint

Durable oven-cured finish coat paint on top of Knapheide's exclusive electrodeposition prime paint for a clean overall appearance.

Stake Pockets

Reinforced heavy duty stake pockets are sized to accept 2x4 lumber as well as a wide array of Knapheide side options.

BH Bulkhead

Rectangular drop-in style bulkhead for pairing with stake racks. Compatible with all platforms.

BHR and BHRB Series Bulkhead

Rectangular bulkhead, heavy duty reinforced. Weld-on (BHR) and bolt-on (BHRB) style with punched window. Compatible with all platforms. Bulkhead material: 11-gauge high strength steel (102 Series 56” models are 10-gauge) Vertical post material: 11-gauge high strength steel outer post, 3” structural channel inner post

BHRT Bulkhead

Rectangular, weld-on style bulkhead with tapered corners and reinforced design. Compatible with all Knapheide Platforms.

Tie Downs

Swivel-style, D-ring tie-downs rated at 2,000 lbs. Ideal for securing large or heavy cargo during transit.

Rope Hooks

Constructed of 1/2" diameter steel rod and welded on the front side of cross sills

Underbody Sliding Tie Down Channel

Perfect for securing large or heavy cargo. Steel construction. Compatible with S-Line Storable 4" Winch.

Stake Racks

Available 28" or 40" height. Choose from interlocking clip style or simple quiet latch connection systems.

Underbody Tie Down Rail

Welded steel construction installed along platform floor.


Available for Knapheide Platform, Gooseneck, Dump, and Forestry Bodies for additional storage capacity. Above or under body toolboxes available in multiple sizes to fit your application.


Practical storage solution for Dump or Platform bodies. Choose from straight or tapered design.


For Platform and Dump Bodies. Dimensions dependent upon chassis manufacturer. Under ride protection required by law and the ICC Bumper provides this protection. ICC Bumpers not needed when hitch is utilized.

Receiver Hitch

All Knapheide Platforms have receiver hitch options available for your hauling needs/demands. Includes under ride protection.

BHT Bulkhead

Tapered, drop-in style bulkhead with punched window. Compatible with platforms without racks or grain sides.

Actual LengthActual WidthChassis CAPine Wood Floor - ModelPine Wood Floor - Net Weight (lbs)Smooth Steel Floor - ModelSmooth Steel Floor - Net Weight (lbs)Treadplate Floor - ModelTreadplate Floor - Net Weight (lbs)
Dual Rear Wheel
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