Drive Belts

  1. Determine your Comet Series Type.
  2. Measure the "Center Distance" (CD); which will be the exact distance between the center of the engine crankshaft and the center of the jackshaft... the measurement must be accurate. Write this measurement down.
  3. Use the driven pulley outer diameter and center distance measurement to determine the correct belt part number from the charts below. Should your machine's center distance fall between the center distance (C.D.) settings listed here, select from the two belts the one with the larger outside circumference (O.C.) for best wear and to avoid machine "creep" during idling.

CAT99 and TC88 Systems that use 5/8" top width belts are now obsolete and are no longer available. However, some 5/8" top width replacement belts are still available. Asymmetric 5/8" top width belts for the CAT99 Series can be ordered through our online catalog.
Ignore the Letters A, C or DF Printed on Some Comet Belts, Match the Numbers Only

Belt, Comet 203589A 6 5/8 to 6 11/16 6" Driven

Belt, Comet 203589A 6 5/8 to 6 11/16 6" Driven

Asymmetric 30 Series 3/4" Top Width Belts 3/4" Top Width - 20 1/2° Asymmetric (18° + 2 1/2°) - 0.40" Thick - Kevlar Type...
$53.16
Add:
Belt, Comet 203786A 8 5/8 to 7 5/8 Centers 40, 44 series

Belt, Comet 203786A 8 5/8 to 7 5/8 Centers 40, 44 series

Comet 40 and 44 Series Belts Belt, Comet 203786A Ignore the Letters A, C or DF Printed on Some Comet Belts, Match the Numbers Only Centers 8...
$74.09  $33.68
Save: 55% off
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Belt, Manco 5959 6-15/16" to 7" - 6" Driven

Belt, Manco 5959 6-15/16" to 7" - 6" Driven

Asymmetric 30 Series 3/4" Top Width Belts 3/4" Top Width - 20 1/2° Asymmetric (18° + 2 1/2°) - 0.40" Thick - Kevlar Type...
$59.32
Add:
Belt, Max Torque Belt MXT-98

Belt, Max Torque Belt MXT-98

Belt, Max Torque Belt MXT-98
$62.36
Add:

Specials  [more]

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