Fits the following makes and models:
Case-IH TRACTOR: W400 (W/ 18 Gallon Fuel Capacity)
Case-IH TRACTOR: W450 (W/ 18 Gallon Fuel Capacity)
Case-IH TRACTOR: 400 FARMALL (W/ 18 Gallon Fuel Capacity)
Case-IH TRACTOR: 450 (W/ 18 Gallon Fuel Capacity)