Product Description
ATI AUX58CBR combines a 58-gallon diesel auxiliary tank with a low-profile toolbox so you can extend range and keep essential gear locked down. Built from .125" bright diamond-plate aluminum, the tank is fully baffled with rollover-protected venting and connects to your factory filler neck using ATI’s Fuel Shotz install kit for hands-off top-off operation.
Key Features
- 58-gallon auxiliary capacity; designed to feed the OEM tank via Fuel Shotz filler-neck kit (no switches/wiring in basic setup).
- .125" aluminum construction, fully baffled to reduce slosh.
- Safety vent with rollover protection and automotive-style fill cap.
- Standard 3/8" NPT outlet; pressure & leak tested.
- Toolbox with stainless locking handles and 90° opening lid; fuel compartment isolated from storage area.
Fitment
Universal pickup bed fit for most full-size trucks. Connects to the factory tank through the filler neck using ATI Fuel Shotz kits matched to Ford, GM, and Ram applications. Always measure bed/toolbox clearances.
Dimensions & Capacity
- Tank capacity: 58 gallons
- Tank (overall): 58" L x 21" W x 19" H
- Bottom width: 51" (notched sides/taper)
- Toolbox: 52" L x 19" W x 6" H
- Finish: Bright aluminum (powder coat options available on some listings)
What’s Included
- ATI AUX58CBR 58-gallon auxiliary tank + integrated toolbox
- Welded hold-down tabs/mounting brackets
Fuel Shotz install kit sold separately unless noted by retailer; add correct kit for your truck.
Compliance
Meets applicable DOT requirements for auxiliary diesel fuel tanks when installed and used as directed by ATI. Check local regulations.
Installation Notes
- Bolt to bed through welded tabs. Verify cap/toolbox lid clearance.
- Use the appropriate Fuel Shotz kit to tee into the OEM filler neck; system keeps the factory tank full until the aux tank is empty.
FAQ
- Is this a refueling/transfer tank?
- No—AUX58CBR is an auxiliary tank intended to feed the truck’s OEM tank via the Fuel Shotz kit. For dispensing to equipment, choose ATI refueling (TTR/TTL) models.
- Will it fit my crossover toolbox?
- This model includes a low-profile toolbox (52" x 19" x 6"). Ensure bed rail height and lid clearance with the 19" overall tank height.
- What are the exact dimensions?
- Tank is 58" L x 21" W x 19" H, with a 51" bottom width due to notched sides; toolbox is 52" L x 19" W x 6" H.
- Does it include the Fuel Shotz install kit?
- Some retailers bundle the kit, but it’s typically sold separately. Order the correct kit for your truck (Ford/GM/Ram) for a plug-and-go filler-neck connection.
- Is the tank baffled and vented?
- Yes—fully welded internal baffles and a safety vent with rollover protection are standard.