4000 Series Aluminum Truck Bed

About the 4000 Series Aluminum Truck Bed

The latest in Hillsboro’s series of aluminum truck beds adds fold-down sides, stainless steel flip-up tie-downs and more to our popular 3000-series model. The full-aluminum build of this bed provides more durability and fuel efficiency with less weight and no pesky paint. Plus, the truck bed is B&W-compatible, so just add on a Hillsboro kit for easy conversion. Find a dealer near you to prepare for a smoother, sleeker transport.


Single – Short Bed Ford RAM GM
Dimensions: 81″W x 86″L 81″W x 86″L 81″W x 86″L
Weight: 730 lbs 730 lbs 730 lbs
Cab-Axle: 40″ 37″ 42″
Frame Width: 38″ 42″ 42″
Part #: 77424 77423 77425

Single – Long Bed Ford/GM RAM
Dimensions: 81″W x 102″L 81″W x 102″L
Weight: 855 lbs 855 lbs
Cab-Axle: 56″ 58″
Frame Width: 38″ or 42″ 42″
Part #: 77426 77428

Dual – Long Bed Ford/GM RAM
Dimensions: 96″W x 102″L 96″W x 102″L
Weight: 925 lbs 925 lbs
Cab-Axle: 56″ 58″
Frame Width: 38″ or 42″ 42″
Part #: 77436 77433

Single – Cab Chassis Ford/GM/RAM
Dimensions: 81″W x 112″L
Weight: 890 lbs
Cab-Axle: 60″
Frame Width: 34″
Part #: 77427

Dual – Cab Chassis Ford / RAM Ford / RAM GM GM
Dimensions: 96″W x 112″L 96″W x 136″L 90″W x 112″L 90″W x 136″L
Weight: 965 lbs 1120 lbs 945 lbs 1098 lbs
Cab-Axle: 60″ 84″ 60 84
Frame Width: 34″ 34″ 34″ 34
Part #: 77437 77438 77432 77429


Aluminum extruded floor

Do your worst to your bed because this high-strength aluminum extruded floor is built to last.

Heavy-duty 6”-tall extruded rubrail

Adjustable-height headache rack with square tube louvers

Modify your rack to match the cab height.

4” x 2” tube steel long stills

Adjust these sills to a 34”, 38” or 42” frame.

Treadbrite tailboard

Turn heads as you drive down the road with this stylish addition.

LED lights

Signal to your neighbors on the road using six stop, turn & tail lights, four backup lights and LED clearance and side-marker lights.

Sealed wiring harness

Avoid the dangers of wire damage using our installed harness with plug-in connections.

Recessed aluminum castings

Push a load across the bed with no interference from tie-downs.

Tapered rear with step

Receive better clearance for towing and easier access to your bed.

Tapered front on 96” wide dual-wheel beds

Lead with a more aerodynamic and attractive front.

25K receiver hitch with 2 ½” tube

Safely tow a heavy load with this Hillsboro hitch.

30K gooseneck ball plate with flush mount cover and 2 5/16” 30k ball

Pull a trailer with no difficulties using our gooseneck trailer hitch.

3″ aluminum I-beam extrusion crossmembers

Gain more strength than formed crossmembers.

Storage compartments

Supersize your typical truck compartment for more usable storage space.

Toolboxes with EPDM closed-cell foam seal

Keep tools safe from the elements with our weather-resistant seals and 0.125-thickness aluminum build.

6” fold-down sides with slam latch

Choose between having your sides up or down to accommodate your load.

Recessed stainless steel flip-up tie-downs

Secure your cargo without the added bulk of standard tie-downs.

Factory Options

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Find Hillsboro across North America

Hillsboro Industries is a manufacturer of aluminum stock trailers and cargo trailers, aluminum truck beds and steel truck beds. Our trusted dealer network spans more than 100 independent dealerships across the United States and Canada.
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Products shown may include optional features. Specifications, features and warranties subject to change without notice.