Dee Zee DZ91752X (39 gallon) Narrow Auxiliary Diesel Fuel Transfer Tank Certified Auxiliary Fuel Transfer Tank Meets Federal DOT Requirements. Compatible with Center Mounted Transfer Pumps Connect to OEM Fuel Line to Transfer Diesel Fuel Non-rusting; 0.125 Brite-Tread aluminum with vented cap Hydrostatically pressure tested to 29 psi Full weld stability baffles and drain plug