The New Holland 8770 tractor is listed with a 16.9R28 (4WD) front tire and a 18.4R42 rear tire.
New Holland 8770 Tire Size Chart
Configuration
Tire size
Agricultural front
16.9R28 (4WD)
Agricultural rear
18.4R42
Recommended tire pressure
The recommended tire pressure for the New Holland 8770 is typically around 1.6 bar (approximately 23 psi) for optimal performance; but it can vary based on load and usage conditions. Always refer to the specific guidelines for your tractor model to ensure proper inflation.
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: The recommended tire pressure for the New Holland 8770 is typically around 1.6 bar (approximately 23 psi) for optimal performance; but it can vary based on load and usage conditions. Always refer to the specific guidelines for your tractor model to ensure proper inflation.
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
118.3 inches 300 cm 122.6 inches (SuperSteer) 311 cm
Ground clearance
19.9 inches 50 cm 18.6 inches 47 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 New Holland official U.S. website, the official operator’s manual and the markings on the tires currently fitted.
