CH3 2.3 Longbelt Belt Drive Reduction Unit

CH-3 Longbelt Airboat Reduction Drive Unit

Powerful, Dependable, Quiet Performance with thousands of hours of operations.


Century Drive Systems CH-3 Longbelt

The CH-3 Longbelt Airboat Reduction Drive Units are designed for small or large block GM, Chevrolet, and Cadillac engines. The CH-3 Longbelt models can bolt to GM V-8, Small Block, V-8 Big Block. CH-3 Longbelt models are used on 15' and larger airboats.

The available ratios for a CH-3 longbelt airboat drive unit are:
2.3 to 1
  • The belts for CH-3 Longbelt models are 5" wide and can use HPPD Plus or Blackhawk belts which are rated 60% stronger than the standard HPPD Plus style.
  • The CH-3 Longbelt airboat drive unit has 41.8" between the center of the crank and the center of the propeller shaft, which gives you a great improvement in handling by lowering the center of gravity of your engine.
  • The drive units we manufacture carry a 100 hour factory warranty.
  • Our a CH-3 Longbelt models are rated for 600 horse power engines.
  • Great for government and law enforcement agencies. A much quieter, more powerful system that requires minimal maintenance.
  • Our drive systems are a perfect fit for all airboating applications. Examples: Seismograph, Military, Hunting, Fishing, EPA, Law Enforcement, Aquatic Control, Tour Boats and Pleasure Craft.
  • This is an ideal unit for hunting, fishing, personal airboating, and work boat with multiple operators.
  • All of our airboat drive unit products are manufactured under Patent # 4884949 and 6540570B1

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