Content Source: 2020 Ranger Diesel Tractor Owner’s Manual (9930940 R02) > Maintenance Chapter

IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle.Always follow the warnings and instructions in Owner's Manual.

Click the CONTENTS link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris.com

Tires

WARNING
Operating your vehicle with worn tires will increase the possibility of skidding, loss of control and an accident, which could result in serious injury or death. Always replace tires when the tread depth measures 3 mm (1/8”) or less.
Improper tire inflation or the use of non-standard size or type of tires may adversely affect vehicle handling, which could result in vehicle damage or personal injury. Always maintain proper tire pressure. Always use POLARIS approved size and type of tires for this vehicle when replacing tires.

Tire Tread Depth

Always replace tires when tread depth is worn to 3 mm (1/8”) or less.

Axle and Wheel Nut Torque Specifications

Inspect the following items occasionally for tightness, and if they've been loosened for maintenance service. Do not lubricate the stud or the lug nut.
Lug Nut
(Aluminum Wheels)
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 Front and Rear 163 Nm (120 ft-lbs.)
2-Piece Flange Nut
(Steel Wheels)
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 Front and Rear 81 Nm (60 ft-lbs.)
Spindle Nut Front 149 Nm (110 ft. lbs.)
Hub Retaining Nut Rear 244 Nm (180 ft. lbs.)

Wheel Removal

  1. Position the vehicle on a level surface.
  2. Place the transmission in PARK and apply the park brake. Stop the engine.
  3. Loosen the wheel nuts slightly.
  4. Elevate the side of the vehicle by placing a suitable stand under the frame.
  5. Remove the wheel nuts and washers. Remove the wheel.

Wheel Installation

  1. Place the wheel on the hub with the valve stem toward the outside and rotation arrows on the tire pointing toward forward rotation.
    WARNING

    Improperly installed wheels can adversely affect tire wear and vehicle handling, which can result in serious injury or death. Always ensure that all nuts are torqued to specification. Do not service axle nuts that have a cotter pin installed. Your dealer can assist.

  2. Attach the wheel nuts and washers and finger-tighten.
  3. Carefully lower the vehicle to the ground.
  4. Torque the wheel nuts to specification.

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