110-6871 Mower Deck Belt - for 42-inch Deck Toro TimeCutter Z4200 74360 74380 Z4220 74363 Z4235 74365 74366 Z4202 Lawn Boy 81270 Z3400HLX 1106871 Zero Turn Mower | 1/2" x 112"

Key Features

• Belt Type: Deck Drive Belt
• Dimensions: 1/2 inch width x 112 inch outer circumference
• Material Construction: Aramid fiber cord for high tensile strength and durability
• Application: Connects the engine pulley to the mower deck spindles

Replaces / Cross-Reference Part Numbers

• Toro: 110-6871

Compatibility & Fitment

• Deck Size: 42 inches
• Fits select Toro TimeCutter Zero Turn Mower models, including:
  • Z4200 (74360)
  • Z4202 (74380)
  • Z4220 (74363)
  • Z4235 (74365, 74366)
  • RZT420H
• Fits select Lawn Boy Zero Turn Mower models, including:
  • 81270
  • Z3400HLX

When to Replace

• Visible signs of wear such as cracks, fraying, glazing, or abrasions
• Belt slipping, causing inconsistent blade speed or an uneven cut
• Audible squealing or chirping sounds during operation
• The belt has stretched and no longer maintains proper tension

Installation Tips

• Disconnect the spark plug wire before performing any maintenance
• Consult the owner's manual for the specific belt routing diagram
• Release the deck belt tension by moving the idler pulley
• Inspect all pulleys for damage or wear before installing the new belt
• Ensure the belt is correctly seated in all pulley grooves before reapplying tension