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Advance HCT400A Heavy Duty Marine Gearbox 7.95:1 Reduction

Bolting straight to SAE 0 and SAE 1 engine housings, the 1450 kg Advance HCT400A-795 inboard boat transmission gearbox steps down 586 HP at 1800 RPM with a 7.95:1 ratio.

  • 7.95:1 ratio matches industrial barge shafts.
  • Input speed handles up to 2100 RPM.
  • Thrust bearing takes 82000 N loads.
  • Lubrication reservoir holds 30 liters fluid.
  • Standard bell housing fits SAE sizes.
$11,554.20
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Category: Brand: SKU: ADV-HCT400A-795-V2
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Configure an industrial barge repower with the Advance HCT400A Heavy Duty Marine Gearbox 7.95:1 Reduction. This two-stage marine gearbox is specified for industrial barges and marine repower projects, with a 7.95:1 reduction ratio, maximum input power of 586 HP (437 kW) at 1,800 RPM, and a maximum input speed of 2,100 RPM.

Model HCT400A-795 pairs a hydraulic two-stage reducer clutch configuration with a listed transmission capacity of 0.326 HP/RPM (0.243 kW/RPM). The supplied product data identifies SAE 0 and SAE 1 bell housing standards, 18,434 lbf (82,000 N) maximum propeller thrust, a 14.76-inch (375 mm) center distance, and a 7.9-gallon (30-liter) oil capacity.

Fitment and Propulsion Use

The Advance HCT400A-795 is specified for industrial barges and marine repower projects. It supports a propulsion layout requiring a 7.95:1 reduction ratio, within the listed 586 HP maximum input rating at 1,800 RPM and 2,100 RPM maximum input speed. Confirm fitment using the engine model, serial number, rated torque, operating RPM, reduction ratio, and manufacturer drivetrain documentation before ordering.

Before Ordering the Advance HCT400A

Verify that Advance model HCT400A-795 matches your industrial barge or marine-repower propulsion system. Confirm the 7.95:1 reduction ratio, 0.326 HP/RPM (0.243 kW/RPM) transmission capacity, 586 HP (437 kW) maximum input power at 1,800 RPM, 2,100 RPM maximum input speed, hydraulic two-stage reducer clutch configuration, SAE 0/SAE 1 bell housing options, 18,434 lbf (82,000 N) maximum propeller thrust, 14.76-inch center distance, 7.9-gallon oil capacity, 30.9 x 39.1 x 44.5 inch dimensions, 3,197 lb dry weight, CCS/ZC approval, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.

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