The Case IH Farmall 40 tractor has multiple listed tire configurations, including 8-16 at the front and 44×18-20 at the rear. Use the table to match the tractor’s agricultural, turf, industrial and 2WD/4WD setup.
Case IH Farmall 40 Tire Size Chart
Configuration
Tire size
Agricultural front
8-16
Lawn/turf front
27×10.50-15
Lawn/turf rear
44×18-20
Industrial front
10-16.5
Recommended tire pressure
For the Case IH Farmall 40, recommended rear tire pressure is typically 12–16 psi for 4-ply tires and 12–24 psi for 6-ply tires. Depending on use, increase pressure on the furrow side by about 4 psi when plowing
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 40, recommended rear tire pressure is typically 12–16 psi for 4-ply tires and 12–24 psi for 6-ply tires. Depending on use, increase pressure on the furrow side by about 4 psi when plowing
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
73.5 inches 186 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.
