Product Description
ATI AUX42CBRG is a gasoline-rated, 42-gallon rectangular auxiliary tank and 6-inch toolbox combo built from .125" aluminum. It’s fully baffled, pressure/leak tested, and designed to integrate with a filler-neck adapter kit (sold separately) for automatic transfer into the factory tank. Meets 49 CFR 393.65 requirements for auxiliary gasoline tanks.
Key Features
- 42-gallon capacity; gasoline-specific construction meeting 49 CFR 393.65.
- Integrated 6"-tall toolbox (separate from fuel cavity) with locking stainless latches and gas-assist shocks.
- Vented cap with rollover protection; pickup and return fittings, 3/8" NPT drain, welded baffles.
- Clean interior; pressure and leak-tested; mounting tabs included.
- Bright aluminum finish; optional black powder coat from select sellers.
Fitment
Universal pickup bed fit for most full-size trucks. Connects to the vehicle’s fuel system using a filler-neck adapter kit matched to the truck make/year (kit not included). Always verify bed/toolbox clearances and local regulations before installation.
Dimensions & Capacity
- Capacity: 42 gallons
- Tank (L × W × H): ~48.5" × 19" × 18"
- Toolbox (L × W × H): ~42" × 19" × 6"
- Notes: 9" toolbox variant exists (AUX42CBRG9) at ~21" tank height; ensure you’re ordering the 6" toolbox model (AUX42CBRG).
What’s Included
- ATI AUX42CBRG 42-gal aluminum auxiliary tank & 6" toolbox combo
- Mounting/hold-down tabs
No install kit included. Add a vehicle-specific filler-neck adapter/hoses to complete the install.
Compliance
Gasoline auxiliary models are built to meet 49 CFR 393.65 for fuel tanks when installed and used as directed.
Installation Notes
- Use the welded tabs to bolt into the bed with appropriate hardware.
- Select the correct filler-neck adapter kit for your truck to enable automatic transfer.
- Confirm toolbox lid clearance and rail height; verify cap and fittings clear bed covers/liners.
FAQ
- Does this include the install kit?
- No. This listing is “no install kit”. Add a truck-specific filler-neck adapter kit separately to connect the auxiliary tank to the factory tank.
- Is it legal for gasoline?
- Yes—ATI’s gasoline auxiliary tanks are built to meet 49 CFR 393.65 when installed correctly. Always follow state/local rules.
- What are the exact dimensions?
- Tank is about 48.5" L × 19" W × 18" H. The toolbox is about 42" L × 19" W × 6" H. Verify your bed/toolbox space before ordering.
- What’s the difference between AUX42CBRG and AUX42CBRG9?
- Both are 42-gal gas combos. The CBRG uses a 6" toolbox and ~18" tank height, while the CBRG9 uses a 9" toolbox and ~21" tank height.
- Is the interior baffled?
- Yes. It’s fully baffled to reduce fuel slosh and improve stability.