Steel Platform Beds
Heavy-Hauler Junior flatbed truck bodies are designed with versatility in mind to meet various vocational needs.
The Heavy-Hauler Junior Platform Body is equipped with external rub rails, integrated tie down points and stake pockets, along with a heavy-duty bulkhead and robust flooring options. Add steel stake sides to a Heavy-Hauler Junior Platform Body to transition into a dedicated Stake Body, or choose a hoist for dumping applications.
The Heavy-Hauler Junior offers all the features you need to tackle tough jobs without breaking your budget.
Request a Quote
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.
Search Dealer Inventory
Search local commercial dealer inventory that's ready for work. This is the fastest way to get a Knapheide work vehicle.
E-Coat Immersion
Knapheide Bodies are fully immersed in Knapheide's 12-step, electrodeposition prime paint system for superior corrosion resistance.
Flooring
Choose from either 1/8" treadplate, 10 gauge smooth steel, or 2" pine flooring (shown), whichever best fits your application.
Long Sill Construction
Structural long sills with gusseted cross members | 5” on 12’ and shorter platforms | 7” on 14’ and longer platforms
Cross Member Structure
Formed, 11-gauge high strength (50,000 psi) cross members are spaced on 16” centers for 12’ and shorter platforms and 12” centers on 14’ and longer platforms.
Side and End Rails
Side and end rails constructed of formed 12-gauge high strength steel (50,000 psi).
Stake Pockets
Reinforced heavy duty stake pockets are sized to accept 2x4 lumber as well as a wide array of Knapheide side options.
Rub Rails
External rub rail constructed of 3/8” steel located on both sides and across the rear of the platform.
Undercoat
Under side of body receives additional corrosion protection with Knapheide's water-based undercoat.
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.
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.
Toolboxes
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.
Knap-Pack
Practical storage solution for Dump or Platform bodies. Choose from straight or tapered design.
Bumper
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.
Refuse Sides
Available in multiple lengths. Used in variety of applications.
Actual Length | Actual Width | Chassis CA | Pine Wood Floor - Model | Pine Wood Floor - Net Weight (lbs) | Smooth Steel Floor - Model | Smooth Steel Floor - Net Weight (lbs) | Treadplate Floor - Model | Treadplate Floor - Net Weight (lbs) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dual Rear Wheel | ||||||||||||||||
9'-5" | 94.77" | 60" | PHHJ-95 | 704 | PHHJS-95 | 883 | PHHJT-95 | 880 | ||||||||
11'-5" | 94.77" | 72-84" | PHHJ-115 | 826 | PHHJS-115 | 1042 | PHHJT-115 | 1039 | ||||||||
12'-5" | 94.77" | 84-102" | PHHJ-125 | 901 | PHHJS-125 | 1136 | PHHJT-125 | 1132 | ||||||||
14'-5" | 94.77" | 102-124" | PHHJ-145 | 1221 | PHHJS-145 | 1493 | PHHJT-145 | 1488 | ||||||||
16'-5" | 94.77" | 108-138" | PHHJ-165 | 1380 | PHHJS-165 | 1690 | PHHJT-165 | 1684 | ||||||||
18'-5" | 94.77" | 120-152" | PHHJ-185 | 1467 | PHHJS-185 | 1887 | PHHJT-185 | 1881 | ||||||||
20'-5" | 94.77" | 136-168" | PHHJ-205 | 1700 | PHHJS-205 | 2084 | PHHJT-205 | 2077 | ||||||||
22'-5" | 94.77" | 144-192" | PHHJ-225 | 1863 | PHHJS-225 | 2291 | PHHJT-225 | 2273 | ||||||||
24'-5" | 94.77" | 158-196" | PHHJ-245 | 2023 | PHHJS-245 | 2478 | PHHJT-245 | 2469 | ||||||||
26'-5" | 94.77" | 196-270" | PHHJ-265 | 2182 | PHHJS-265 | 2675 | PHHJT-265 | 2666 | ||||||||
Wide Applications | ||||||||||||||||
14'-5" | 100.77" | 102-124" | PHHJW-145 | 1332 | PHHJWS-145 | 1556 | PHHJWT-145 | 1551 | ||||||||
16'-5" | 100.77" | 108-138" | PHHJW-165 | 1606 | PHHJWS-165 | 1761 | PHHJWT-165 | 1756 | ||||||||
18'-5" | 100.77" | 120-152" | PHHJW-185 | 1779 | PHHJWS-185 | 1967 | PHHJWT-185 | 1967 | ||||||||
20'-5" | 100.77" | 136-168" | PHHJW-205 | 1909 | PHHJWS-205 | 2173 | PHHJWT-205 | 2173 | ||||||||
22'-5" | 100.77" | 144-192" | PHHJW-225 | 2155 | PHHJWS-225 | 2346 | PHHJWT-225 | 2346 | ||||||||
24'-5" | 100.77" | 158-196" | PHHJW-245 | 2341 | PHHJWS-245 | 2584 | PHHJWT-245 | 2584 | ||||||||
26'-5" | 100.77" | 196-270" | PHHJW-265 | 2527 | PHHJWS-265 | 2789 | PHHJWT-265 | 2789 |
Steel Platform Bodies Literature | DOWNLOAD |
All Products Brochure | DOWNLOAD |
All Products Brochure (Spanish) | DOWNLOAD |
Knapheide Steel Product Warranty | DOWNLOAD |

10 Work Truck Options for Storing Long or Bulky Items
Every vocation has them. They are the long or bulky items that you just aren’t sure how to store in the most efficient manner. You could throw that 8’ conduit…
READ MORE »
Most Common Work Trucks Found On Dealer Lots
Commercial truck dealers across the nation, from large to small, stock already upfitted work trucks for immediate delivery. So the next time you are in a pinch and need access…
READ MORE »
6 Tips For Configuring Your Next Platform Body
Platform bodies, flatbeds, flatdecks, there are numerous names used across North America for this versatile material hauling product. On the surface, a platform body seems so simple. Yet spec’ing the…
READ MORE »
Tree Care Company Goes Cutting Edge with Landscaper Flatbed Truck
Jud Scott, owner of Vine & Branch, needs quality, reliability and safety in every area of his business. Watch how the business utilizes Knapheide truck bodies to increase their success.…
READ MORE »
Bigger is Better: New Heavy Hauler Junior Platform Released
Knapheide has released its new, extra-wide Heavy Hauler Junior Platform, the PHHJW. The PHHJW is 6″ wider than its counterpart, the PHHJ, and provides users with enough platform space to…
READ MORE »