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PRM 1000 Gearbox

Full hydraulic operation: offset or down angle output shaft.

The PRM 1000 gearbox is purposely built for use in both pleasure craft and commercial boats; its twin countershaft design provides separate oil-operated multi-disc clutches (which need no adjustment) for ahead and astern drive allowing full rated power to be transmitted continuously in either direction.

To cater for the widest possible variety of boats the PRM 1000 gearbox is offered either with output shaft, offset or 10° down angle output shaft.

Download: Installation Drawing | User Manual

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Nominal Power Ratings, PRM1000 ‘A’ (with 10° Angle Drive) Marine Gearbox

Model Ahead Ratio Pleasure Light Commercial Heavy Commercial
kW BHP kW BHP kW BHP
1000A1.5 1.53:1 9.66 12.95 7.10 9.52 6.67 8.95
1000A2 2.03:1 9.43 12.64 7.10 9.52 6.67 8.95
1000A3 2.86:1 8.58 11.50 7.10 9.52 6.67 8.95

Maximum operating speeds: 3500 rev/min intermittent, 3000 rev/min continuous

 

Nominal Power Ratings, PRM1000 ‘D’ (Drop Centre) Marine Gearbox

Model Ahead Ratio Pleasure Light Commercial Heavy Commercial
kW BHP kW BHP kW BHP
1000D1.5 1.53:1 10.47 14.04 7.75 10.39 7.33 9.82
1000D2 2.03:1 9.43 12.64 7.44 9.96 7.02 9.40
1000D3 2.86:1 8.58 11.50 7.44 9.96 7.02 9.40
1000D4 4.00:1 8.58 11.50 7.44 9.96 7.02 9.40

Maximum operating speeds: 3500 rev/min intermittent, 3000 rev/min continuous

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