General Wheel, Tire, and Tread Guidelines

CAUTION: Avoid personal injury and insufficient tractor stability. Never operate the tractor with single tires having tread width less than 1520 mm (60 in).

IMPORTANT: Do not exceed 2800 mm (110 in.) between single tires for pulling heavy loads.

IMPORTANT: Do NOT let tires come into contact with draft links or lift links. The gap between lift links and tires can be increased by installing the lift links in the front holes of the draft links.

When draft links are raised (even if no implement is attached), the stabilizer bars, whether hydraulic or mechanical, must be locked.

If there is still contact with the draft links or lift links despite all these measures, tread width must be increased.

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A - Clearance between Inner Wheel and Fender

B - Clearance between Inside of Drive Wheels

C - Minimum Clearance between Tire Centerlines

Wheels are installed on the other side of the axle to obtain a wider setting range by changing the rim positions. Maintain correct direction of tire rotation by moving each wheel to opposite side of tractor.

IMPORTANT: Tires must have at least 25 mm (1.0 in.) clearance (A) to the fenders. If snow chains are installed on the tires, the minimum distance from the tires to the fenders (side wall to fender and running surface to fender) must be 100 mm (3.94 in.).

Clearance (B) between tires must be at least 1070 mm (42 in.), with tires at equal distances from tractor centerline.

Minimum tread settings are specified to provide sufficient clearance to fuel tank and fenders.

A minimum clearance (C) of 1524 mm (60 in.) between tire centerlines must be maintained.

Check for adequate clearance between implement and rear tires.

Do NOT mix radial and bias-ply tires on the same axle.

Drive and dual tires mounted on the same axle should all be inflated to the same pressure.

Cast wheels are used inside and steel wheels on the outside on tractors with duals.

Over-inflating radial tires reduces machine performance. Using the correct inflation pressures will result in optimum tractive performance.