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FleetRunner® Micro-V® Belts

Patented EPDM construction with distinct green overcord built specifically for more durability, superior flexibility, stability, and longer life on heavy-duty drives.

  • Consistently outperforms all competitors.
  • Heavy-duty construction resists cracking and wear, even at extreme temperatures.
  • Oil and heat-resistant. Outperforms the competition on the most troublesome drives.
  • Patented material provides peak performance at prolonged extreme operating temperatures.
  • Problem-solver designed for the toughest applications.
  • Special compound provides unmatched flexibility, stability, load carrying capacity and belt life.
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys.

All Parts

1-10 of 528 Items
Part # Product # Description Section Num. Ribs Out. Circ. (in) Out. Circ. (mm) Eff. Len. (in) Eff. Len. (mm)
K040378HD 85550064 K040378HD FLEETRUNNER MICRO-V K 4 38.5 978 37.89 962
K040388HD 85550177 K040388HD FLEETRUNNER MICRO-V K 4 39.347 999 38.78 985
K040425HD 85550477 K040425HD FLEETRUNNER MICRO-V K 4 43.125 1095 42.55 1081
K040430HD 85550072 K040430HD FLEETRUNNER MICRO-V K 4 43.75 1111 43.16 1096
K040445HD 85550184 K040445HD FLEETRUNNER MICRO-V K 4 45.25 1148 44.62 1133
K040745HD 85550042 K040745HD FLEETRUNNER MICRO-V K 4 75.125 1907 74.52 1893
K040762HD 85550955 K040762HD FLEETRUNNER MICRO-V K 4 76.875 1950 76.25 1937
K050323HD 85550600 K050323HD FLEETRUNNER MICRO-V K 5 32.951 837 32.39 823
K050336HD 85550607 K050336HD FLEETRUNNER MICRO-V K 5 34.315 871 33.75 857
K050340HD 85550633 K050340HD FLEETRUNNER MICRO-V K 5 34.685 881 34.12 867
1-10 of 528 Items

Lowest Cost Per Mile.

Haul more. Drive longer. Gates FleetRunner® Heavy Duty belts are engineered to save your fleet money and lost service time.

Did You Know?

Heavy-Duty Serpentine System diagnostics start with the tensioner. Many of the symptoms that indicate a problem with the heavy-duty serpentine belt drive system – squeal, vibration, and excessive belt wear – can be traced to a worn or failed tensioner. That’s why the tensioner is the best place to start when diagnosing trouble.

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