When the door is open, it extends about an inch below the bottom of the box. I had to raise the box a little so it would not interfere with a step that I installed below the box.
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Northern Tool + Equipment Underbody Truck Toolbox, 36in. x 17in. x 18in., Aluminum, Diamond Plate, T-Handle Latch

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- 36in.x 17in. x 18in.
- Heavy-duty rust-resistant diamond treadplate aluminum construction
- 100% fully welded seams with smooth finished edges
- Continuous piano-style hinge provides more secure closure
- Weather-resistant design with protruding lip and 360° seal around the door keeps the elements out
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Description
Key Specs
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Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Underbody truck toolbox

Features + Benefits

- 36in.x 17in. x 18in.
- Heavy-duty rust-resistant diamond treadplate aluminum construction
- 100% fully welded seams with smooth finished edges
- Continuous piano-style hinge provides more secure closure
- Weather-resistant design with protruding lip and 360° seal around the door keeps the elements out
- Reinforced metal lid brace adds strength and durability
- Door cables prevent over-extension of the doors
- Locking T-handle latches provide maximum security while using minimum space
Key Specs
| Attribute | Specification |
|---|---|
item# | 41879 |
Brand | Northern Tool + Equipment |
Manufacturer's Warranty | 5 year limited warranty |
Ship Weight | 42.0 LB |
Width | 17 in |
Material | Aluminum |
| Attribute | Specification |
|---|---|
Color Finish | Diamond Plate Silver |
Overall Height | 18 in |
Depth | 36 in |
Finish Type | Bright Aluminum |
Product Weight | 31.0000 lb |
Dimensions L x W x H (in.) | 36.0 x 17.0 x 18.0 in |
Reviews
Questions & Answers
Questions
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· 8 years ago
Does the door open flush on the bottom?
In other words, if the box is bolted down on the top of a flatbed, will the door open?
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Larse· 8 years ago
Helpful?
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ProductExpert7· 8 years ago
If the truck box is used in top-mount application, the door would not be completely flush when fully opened.
Helpful?
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· 5 years ago
How thick is the aluminum stock it is constructed from?
1 answer-
ProductExpert29· 5 years ago
This is constructed of 12 gauge aluminum.
Helpful?
-
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Warranty
Manufacturer's Warranty
5 year limited warranty
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Specifications
17 in
24 in
60 in
48 in
Aluminum
Plastic
Steel
Polyethylene
Diamond Plate Silver
Black
Black
Black
18 in
18 in
18 in
18 in
36 in
18 in
17 in
18 in
Bright Aluminum
Black
Black
Black
31.0000 lb
lb
99.0000 lb
lb
36.0 x 17.0 x 18.0 in
24.0 x 18.0 x 18.0 in
60.0 x 17.0 x 18.0 in
48.0 x 18.0 x 18.0 in
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No
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Yes
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Single
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Both
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0
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No
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0
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No
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This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
Northern Tool + Equipment Underbody Truck Toolbox, 36in. x 17in. x 18in., Aluminum, Diamond Plate, T-Handle Latch
Item # 41879
Order today to get this price.







