Lawn Mower [Grip120] 88843 Bush Hog Drive Belt for ATH 720, FTH 720, 72" RDTH 72 TD-1700, 55" HDZ3155FX4 HDZ3355ECV4 - 155.5" x 5/8"
88843 green lawn mower drive belt, 155.5 inch replacement belt in BlueStars branded packaging.
BlueStars 88843 lawn mower drive belt specifications chart showing 5/8 inch width and 155.5 inch outer length.
BlueStars mower belt showing 120% grip and stability compared to standard belts prone to tearing and slipping.
BlueStars 88843 lawn mower belt performance comparison chart showing 120-hour fatigue life and high bonding strength.
Infographic showing 3-layer material construction of a green replacement drive belt with heat-resistant rubber and cords.
Green replacement mower belt for Bush Hog 88843 compatible with ATH, FTH, and TD series finish mowers.
Instructional guide for identifying the correct lawn mower drive belt by verifying application and part labels.
BlueStars 88843 lawn mower deck belt maintenance guide and compatibility chart for Bush Hog mowers.
Green lawn mower drive belt showing compatibility with zero-turn mower for smoother operation and symptom repair.
Replacement green mower deck drive belt with installation instructions for zero-turn lawn mowers.
88843 green lawn mower drive belt, 155.5 inch replacement belt in BlueStars branded packaging.
BlueStars 88843 lawn mower drive belt specifications chart showing 5/8 inch width and 155.5 inch outer length.
BlueStars mower belt showing 120% grip and stability compared to standard belts prone to tearing and slipping.
BlueStars 88843 lawn mower belt performance comparison chart showing 120-hour fatigue life and high bonding strength.
Infographic showing 3-layer material construction of a green replacement drive belt with heat-resistant rubber and cords.
Green replacement mower belt for Bush Hog 88843 compatible with ATH, FTH, and TD series finish mowers.
Instructional guide for identifying the correct lawn mower drive belt by verifying application and part labels.
BlueStars 88843 lawn mower deck belt maintenance guide and compatibility chart for Bush Hog mowers.
Green lawn mower drive belt showing compatibility with zero-turn mower for smoother operation and symptom repair.
Replacement green mower deck drive belt with installation instructions for zero-turn lawn mowers.
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[Grip120] 88843 Bush Hog Drive Belt for ATH 720, FTH 720, 72" RDTH 72 TD-1700, 55" HDZ3155FX4 HDZ3355ECV4 - 155.5" x 5/8"

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88843 Bush Hog Drive Belt (155.5" x 5/8")

Key Features

  • Type: Heavy-duty mower drive belt
  • Dimensions: 155.5 inches in length by 5/8 inches in width
  • Construction: High-strength cord reinforcement for reduced stretching
  • Outer covering: Oil and heat-resistant compound for extended service life
  • Application: Designed for consistent power transmission in commercial mowing decks

Replaces / Cross-Reference Part Numbers

  • Bush Hog: 88843

Compatibility & Fitment

  • Bush Hog ATH 720
  • Bush Hog FTH 720
  • Bush Hog RDTH 72
  • Bush Hog TD-1700
  • Bush Hog HDZ3155FX4
  • Bush Hog HDZ3355ECV4
  • Bush Hog HDZ3855ECV4

When to Replace

  • Visible surface cracks, fraying, or splitting along the belt edges
  • Loss of tension resulting in slippage during heavy cutting loads
  • Evidence of glazing (shiny or slick appearance) on the inner v-groove surfaces
  • Excessive stretching that prevents the tensioner from maintaining proper pressure
  • Deep gouges or missing segments caused by debris interference

Installation Tips

  • Disconnect the spark plug wire before beginning installation to prevent accidental engine start.
  • Ensure the mower deck is fully lowered or removed according to the owner's manual for better access.
  • Loosen the belt tensioning hardware fully before attempting to remove the old belt.
  • Clean all pulleys of dirt, grass, and oil residue before installing the new belt to ensure proper seating.
  • Verify that the belt is correctly routed through all guides and pulleys before applying final tension.
  • Run the mower at low throttle for several minutes after installation to seat the belt into the pulley grooves.

FAQ

This 88843 drive belt is designed for use with Bush Hog finishing mowers, including models ATH720, FTH720, RDTH72, TD-1700, HDZ3155FX4, and HDZ3355ECV4.
This belt measures 5/8 inch in width and 155.5 inches in effective length.
Yes, this belt replaces Bush Hog OEM part number 88843 and also cross-references with 66-665 (Silver Streak) and 88843DC (Dealers Choice).
You should inspect your belt if you notice excessive vibration, slipping during heavy cutting, squealing noises, or if the mower blades are failing to reach full speed. Visually, look for signs of dry rot, fraying, cracking, or glazing on the underside of the belt.
Before installing the new belt, inspect all pulleys for debris, rust, or alignment issues. Ensure the tensioner assembly moves freely and that the spring provides adequate tension. If the pulleys are worn or the bearings are loose, they will significantly shorten the lifespan of your new belt.
Replacing the belt is a standard maintenance task, but it does require removing the mower deck shields. Depending on your experience, it typically takes 30 to 60 minutes. We recommend having a socket set and a pry bar or tensioner tool on hand to safely release the tension on the idler pulley.