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Home Highway Products - Semi Underbody Boxes Highway Products Index Highway Products - Underbody Boxes Semi Truck Underbody Tool Boxes
Highway Products - Fifth Wheel Box

Semi Truck Underbody Tool Boxes


Semi Truck
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Highway Products - Double Door Side Open Box

Double Door, Side Open, Underbody Box

Also available:
Single Door Side Open Box
Single Door Drop Open Box
Top Lid Box
Rainmaster Truck Box

The toughest Semi Truck and Trailer underbody boxes on the Highway

Double Door Side Open Box        
0212-001 36" x 8 " x 18" (Right Hand) $412.99
0212-014 36" x 24" x 24" (Right Hand) $486.24
0212-002 48" x 18" x 18" (Right Hand) $448.49
0212-003 48" x 24" x 24" (Right Hand) $540.49
0212-004 60" x 18" x 24" (Right Hand) $543.99
0212-006 60" x 24" x 24" (Right Hand) $598.49

To properly support the boxes and their contents, Highway Products offers two mounting systems:

"L" brackets for frame mounting; and "Plate" brackets for mounting from overhead cross members.

Brackets are sold separately.

Common features of the Semi Underbody Boxes shown on this page:

  • Thickest aluminum construction
  • Non-sag doors
  • Stainless steel piano-style hinges
  • Stainless steel Hansen® T-handle locks
  • 5-year limited warranty

Highway Products Inc., built its reputation on manufacturing the toughest semi truck and trailer underbody boxes on the highway. This unique line of boxes features non-sag doors and is constructed of the thickest grade of aluminum stock utilized in the industry: 1/8" marine grade weather-resistant aluminum.

These toolboxes have internal design features that make them extra rigid and tough: 1) the larger semi boxes have both a 1/8" "C" channel stiffener bar welded along the bottom front and fully-welded gussets in the sides and corners. (features often ruled out by other manufacturers due to the extra expense); 2) A hefty continuous piano-style stainless steel hinge with a 1/4" pin assures long term performance; 3) Heavy-duty Hansen® "T-handle" stainless steel locks and mechanisms keep your valuables secure.

The doors of our double-door, side open boxes close into the frame of the box. That means that they are fully supported during the constant jolting of the road. Our single door, drop open boxes have the hinge mounted to the bottom front of the box, which is extra rigid. Vibration and road stress simply can't warp or damage the hinge.

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Highway Products - Single Door Aluminum Side Open Box

Single Door, Aluminum Side Open Box

Also Available:
Single Door Drop Open Box
Double Door Side Open Box
Top Lid Box
Rainmaster Truck Box


Single Door Aluminum Side Open Box                                      
0312-001 24" x 24" x 24" $368.24
0312-003 36" x 24" x 24" $447.24

To properly support the boxes and their contents, Highway Products offers two mounting systems:

"L" brackets for frame mounting; and "Plate" brackets for mounting from overhead cross members.

Brackets are sold separately.

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Highway Products - Single Door Drop Open Box

Single Door, Drop Open Box

Also Available:
Single Door Side Open Box
Double Door Side Open Box
Top Lid Box
Rainmaster Truck Box


Single Door Drop Open Box                                    
0112-001 24" x 18" x 18" $332.99
0112-026 24" x 24" x 24" $368.24
0112-002 30" x 18" x 18" $348.24
0112-003 36" x 18" x 18" $374.24
0112-004 36" x 24" x 24" $447.24
0112-005 48" x 18" x 18" $416.74
0112-006 48" x 24" x 24" $526.49
0112-007 60" x 18" x 18" $509.99
0112-008 60" x 24" x 24" $597.24
0112-009 72" x 18" x 18" $554.74

To properly support the boxes and their contents, Highway Products offers two mounting systems:

"L" brackets for frame mounting; and "Plate" brackets for mounting from overhead cross members.

Brackets are sold separately.

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Highway Products - Top Lid Box

Top Lid Box

Also Available:
Single Door Side Open Box
Double Door Side Open Box
Single Door, Drop Open Box
Rainmaster Truck Box

Top Lid Box                                    
0721-001 24" x 12" x 12" $299.74
0721-002 24" x 18" x 18" $339.99
0721-003 30" x 18" x 18" $365.99
0721-004 36" x 12" x 12" $329.24
0721-005 36" x 18" x 18" $423.74
0721-006 48" x 18" x 18" $469.74
0721-007 48" x 24" x 24" $585.49
0721-008 60" x 24" x 24" $651.49

To properly support the boxes and their contents, Highway Products offers two mounting systems:

"L" brackets for frame mounting; and "Plate" brackets for mounting from overhead cross members.

Brackets are sold separately.

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Highway Products - Rainmaster Drop Open Box

Rainmaster™ Drop Open Box

Also Available:
Single Door Side Open Box
Double Door Side Open Box
Single Door, Drop Open Box
Top Lid Box
Rainmaster™ Single Door Drop Open Box                                    
0430-001 30" x 18" x 18" $348.24
0430-002 24" x 18" x 18" $332.99
0430-003 36" x 18" x 18" $374.24
0430-004 48" x 18" x 18" $416.74
0430-005 60" x 18" x 18" $509.99

Here is a high quality truck box that incorporates all of Highway Products' standard features: automotive grade weather stripping, quality locks and hinges. The sturdy 1/10" aluminum construction allows Highway Products to manufacture it at a reduced cost.

To properly support the boxes and their contents, Highway Products offers two mounting systems:

"L" brackets for frame mounting; and "Plate" brackets for mounting from overhead cross members.

Brackets are sold separately.

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Highway Products - Fifth Wheel Box Semi Truck Accessories
Gull Wing Chain Hangers, Step Boxes, Brackets  

Highway Products - Gull Wing Tire Chain Hanger

Highway Products Gull Wing
Chain Hanger

Gull Wing Tire Chain Hanger                                    
1821-007 19" $154.74
1821-002 24" $164.24

Hang tire chains easier with the Gull Wing Chain Hanger

Highway Products Gull Wing Features:

Highway Products gives you a better choice of places to install a tire chain hanger. Almost zero clearance (only 5 inches!) is required to use this chain hanger - it works very well with trucks that have ferrings which offer no frontal access. It's also desirable when it must be installed under the cab, flatbed, drom deck or where the trailer overhang is unavoidable. The gull wing lids open to the sides, swinging up and out of the way to access your tire chains. It holds two triple and two single sets of tire chains and works well in sets, placing one on each side of the truck.



Highway Products - Aluminum Step Box

Highway Products Aluminum
Step Box

Aluminum Step Box                                    
1012-001 12" x 26" x 27" $396.49
1012-002 18" x 26" x 27" $418.99
1012-003 24" x 26" x 27" $464.99

Highway Products Aluminum Step Box Features:

The semi truck step box star-patterned safety decking assures sure footing and helps to prevent accidents. The semi-truck step box encloses a handy, secure truck toolbox with these great features:

  • made of 1/8" marine grade aluminum;
  • Stainless steel Hansen® "T-handle" locks and locking mechanism;
  • Stainless steel continuous piano-style hinge with 1/4" pin;
  • Clean Seal® automotive weather stripping;
  • Swivel bar that holds the lid open;
  • Internal bracket for sure mounting to the frame of the truck.




Highway Products - L Bracket (pair)

Highway Products "L" Bracket





Highway Products Plate Bracket

Mounting Brackets (pair)                                    
1973-001 30"x 18" L-Bracket $106.24
1973-002 36"x24" L-Bracket $109.74
1910-001 30"x18" Plate Bracket $156.99

Highway Products Semi-Truck Mounting Brackets (pair) Features:

Over 25 years, Highway Products has designed and engineered mounting systems for our boxes to withstand harsh, jarring real road conditions. Highway Products' brackets cradle the weight of the box and its contents, attaching it securely to the truck or trailer for the long haul. Highway Products' brackets are made of stout, 1/4" marine grade aluminum and come in two designs for mounting the boxes to the frame, or to cross members.

These brackets can be used to mount Highway Products Semi Truck Underbody Boxes . Highway Products offers two mounting systems for the Underbody Boxes: The aluminum "L" brackets for frame mounting and heavy "plate" brackets for mounting from overhead cross members.


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Highway Products Semi Truck Accessories

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