Item #70781 Peterbilt 330 Left Driver 50 Gallon Fuel Tank. 1/25 Scale measurements are 23.35 mm long  X 18.28 high X 23.35 mm wide. 1/16 Scale measurements are 49.21 mm long X 28.50 mm high X 37.00 wide. All measurements are +/- 1.00 mm approximately.