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An exploded view of various Muir anchor winch and windlass spare parts, including gears, shafts, and casings.

RMI85PP R80 / 24V 1500W CIMA HORIZONTAL

RMI85PP R80 24V 1500W Cima Horizontal | Genuine | Muir AU

The Muir RMI85PP R80 24V 1500W Cima Horizontal is a genuine factory replacement motor-gearbox unit designed for HR4000 Thor series horizontal windlasses. Combining a powerful 24V 1500W Cima motor with the proven RMI85PP R80 gearbox configuration in horizontal orientation, this complete drive unit delivers the heavy torque and reliable speed reduction needed for serious offshore anchoring performance.

Built for Marine Conditions

Manufactured to Muir's strict quality standards, the unit features a horizontal motor configuration engineered specifically for HR4000 Thor windlass installation. The Cima motor is renowned for consistent power delivery and long service life, while the matched gearbox provides optimal gear ratio for smooth chain handling under load — even in the harshest marine environments.

Key Features

  • Genuine Muir replacement motor-gearbox unit
  • 24V DC operation with 1500W power output
  • Premium Cima motor with RMI85PP R80 gearbox
  • Horizontal motor configuration
  • Designed specifically for HR4000 Thor windlasses
  • Direct fit — no modifications required

Why Choose Genuine Muir Parts?

Choosing the authentic RMI85PP R80 24V 1500W Cima ensures perfect compatibility, optimal performance, and long-term reliability. Aftermarket motor-gearbox units often use inferior components that wear quickly or fail under load — risking damage to your windlass and unsafe anchoring. Trust genuine Muir parts for dependable performance and full warranty support.

Order your replacement unit today from Muir Australia — trusted marine engineering since 1968.

Part number: G081009

Fits: HR4000 Thor exploded view

Prices aren’t shown online. Send us the part number and your windlass model and serial number and we’ll confirm fit, price and availability.