Century Drive Systems, Inc.

Airboat Belted Reduction Drive Units and
Component Parts Manufacturer for the Airboat Industry

CH-4 Airboat Belted Reduction Drive Unit

Powerful, Dependable, and Quiet Performance for all your airboating needs.

The CH-4 Airboat Belted Reduction Drive Unit is designed to handle high horsepower and high torque engines. CH-4 Drive Units are also available with the Counter Rotating system. CH-4 models are primarily used on 15’ and larger airboats.

The available ratios for a CH-4 belted airboat drive unit are:
2.52 to 1	2.67 to 1

• The CH-4 models have a new Spline Drive Coupling System.
• The CH-4 works well with both Narrow and Super Wide Propeller Systems.
• The Drive Belts for the CH-4 models are a Goodyear Falcon with the 14MM tooth profile and 5” wide allowing for a greater cross sectional area.
• The CH-4 models are similar to the CH-3 models but offer ratios of 2.52 to 1 and 2.67 to 1 using the 14MM Falcon belt.
• The drive units we manufacturer carry a 100 hour factory warranty.
• All of our airboat drive unit products are manufactured under Patent# 4884949 and 6540570B14.

CH-4 Airboat Belted Reduction Drive Unit Instructions

• Installation Instructions

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