One wide opening
A single lid gives access to long items from either side of the truck bed. Catalog dimensioned models: AD100 and AD101.
Fully welded diamond-tread aluminum storage for your work truck. Compare crossboxes and side boxes, then check the dimensions and vehicle application.

A single lid gives access to long items from either side of the truck bed. Catalog dimensioned models: AD100 and AD101.
Forward-hinged double lids open wider than center-hinge styles. Catalog dimensioned models: AD200 and AD201.
Side boxes complement a crossbox and add secure storage around the bed. Catalog dimensioned models: AD302 and AD303.
A sliding divided tray is accessible from both sides. A full-length rubber bottom liner helps keep tools from sliding in transit.
The three-piece diamond-plate body and lid are fully welded. The lid uses 0.080-inch diamond-tread aluminum; the basket uses 0.063-inch material.
The low-profile domed lid has an extra 45-degree bend and double-channel reinforcement for stiffness and a snug closure, while limiting obstruction of the rear view.
A reinforced U-channel edge strengthens the box and increases the lid seating surface. A bulb weather seal and gaskets on all four lid sides help protect contents from dirt and water infiltration.
Automotive push-button rotary latches, heavy-duty gas struts and double-sided keys support access. A linkage guard protects the latch linkage, and a fully adjustable intrusion-resistant striker holds the lid closed.
The catalog reports push-button cycle testing over 25,000 cycles.
Supplied brackets secure the box to the truck bed without drilling. Adhesive-backed closed-cell foam tape goes under the toolbox overhang to protect the bed rails from scratches.
Crossboxes use a 20-inch-wide basket.
All dimensions below describe interior usable space, in inches. They are not an exterior installation envelope.
| Single-lid model | Double-lid model | A | B | C | D | E |
|---|---|---|---|---|---|---|
| AD100 | AD200 | 70 | 20 | 12.5 | 60.5 | 8.5 |
| AD101 | AD201 | 70 | 20 | 17.5 | 60.5 | 13.5 |
Crossbox diagram key: A is the upper length, B is front-to-back width, C is overall internal depth, D is lower basket length, and E is lower basket depth.
| Side-box model | A | B | C | D | E |
|---|---|---|---|---|---|
| AD302 | 13 | 9 | 12 | 64 | 7.5 |
| AD303 | 13 | 9 | 12 | 46 | 7.5 |
Side-box diagram key: A is upper cross-section width, B is lower cross-section width, C is overall internal depth, D is length, and E is lower internal depth.
Expand a make to compare the application markings in the supplied July 2020 catalog. Model references follow the chart’s numbering; dimensioned box models above use the AD prefix.
| Truck / bed | Crossbox reference | Side-box reference |
|---|---|---|
| Ranger · 6 ft bed | 250 | 350* |
| Ranger · 7 ft bed | 250, 151 | 350 |
| Explorer Sport-Trac | No application marked | No application marked |
| F-150 · 5.5 ft Styleside | 100/200 | 303* |
| F-150 · 6.5 ft Styleside | 100/200, 101/201 | 303 |
| F-150 · 6.5 ft Flareside | 190 | — |
| F-150 · 8 ft Styleside | 100/200, 101/201 | 302 |
| F-250/350 Super Duty · 6.7 ft bed | 101-2/201-2 | 303 |
| F-250/350/450 Super Duty · 8 ft bed | 101-2/201-2 | 302 |
| Truck / bed | Crossbox reference | Side-box reference |
|---|---|---|
| Colorado/Canyon · 5 ft bed | No application marked | No application marked |
| Colorado/Canyon · 6 ft bed | — | 350 |
| 1500 · 5.5 ft bed | 100/200 | 303 |
| 1500 · 6.5 ft bed | 100/200, 101/201 | 302*, 303 |
| 1500 · 8 ft bed | 100/200, 101/201 | 302 |
| 2500/3500 HD · 6.5 ft bed | 100/200, 101/201 | 303 |
| 2500/3500 HD · 8 ft bed | 100/200, 101/201 | 302 |
| Truck / bed | Crossbox reference | Side-box reference |
|---|---|---|
| Dakota · 5 ft bed | — | 350* |
| Dakota · 6.5 ft bed | — | 350* |
| Ram 1500 · 6 ft bed | 100/200 | 303 |
| Ram 1500 · 8 ft bed | 100/200, 101/201 | 302 |
| Ram 2500/3500 HD · 6 ft bed | 100/200 | 303 |
| Ram 2500/3500 HD · 8 ft bed | 100/200, 101/201 | 302 |
| Truck / bed | Crossbox reference | Side-box reference |
|---|---|---|
| Frontier · 5 ft bed | — | 350* |
| Frontier · 6 ft bed | — | 350 |
| Titan Crew Cab · 5.6 ft bed | — | 350* |
| Titan King Cab · 6.6 ft bed | 190 | 350 |
| Titan Crew Cab · 7 ft bed | 190 | 350 |
| Titan King Cab · 8 ft bed | 190 | 350 |
| Truck / bed | Crossbox reference | Side-box reference |
|---|---|---|
| Tacoma · 5 ft bed | — | 303 |
| Tacoma · 6 ft bed | — | 302 |
| Tundra · 6.5 ft bed | 100/200, 101/201 | 303 |
| Tundra · 8 ft bed | 100/200, 101/201 | 302 |
Compare the available toolbox envelope inside the rack before combining storage and carrying equipment.