The Case IH Farmall 40A Series II tractor has multiple listed tire configurations, including 25×8.50-14 at the front and 41×14.00-20 at the rear. Use the table to match the tractor’s agricultural, turf, industrial and 2WD/4WD setup.
Case IH Farmall 40A Series II Tire Size Chart
Configuration
Tire size
Lawn/turf front
25×8.50-14
Lawn/turf rear
41×14.00-20
Industrial front
25×8.50-14
Industrial rear
43×16.00-20
Recommended tire pressure
For the Case IH Farmall 40A Series II; standard agricultural rear tires are 11.2×24 and front tires are 7×14, recommended pressures vary by use; but typical on-road settings are around 12–16 psi for rear tires and 28–36 psi for front tires depending on ply rating.
Before buying replacement tires
Match the complete sidewall size, rim diameter, axle position, 2WD/4WD configuration and tire type before ordering. On driven front axles, changing overall tire diameter can upset the required front-to-rear rolling ratio.
Tire Pressure
Recommended tire pressure: For the Case IH Farmall 40A Series II; standard agricultural rear tires are 11.2×24 and front tires are 7×14, recommended pressures vary by use; but typical on-road settings are around 12–16 psi for rear tires and 28–36 psi for front tires depending on ply rating.
Pressure warning: Confirm the correct pressure in the official operator’s manual and the tire manufacturer’s load-and-pressure chart before inflation.
Wheelbase and Ground Clearance
Wheelbase
67.5 inches 171 cm
Specification disclaimer
These specifications are provided as a reference and may vary by production year, country, axle, wheel package and previous tire changes. Before purchasing, fitting or inflating tires, confirm the specifications using the Case IH official U.S. website, the official operator’s manual and the markings on the tires currently fitted.
