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PRM 750 Gearbox

Full hydraulic operation: offset or down angle output shaft.

The PRM 750D and PRM 750A marine gearboxes are purposely built for use in both pleasure craft and commercial boats; the 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 750 gearbox is offered in two different configurations : with offset output shaft (PRM 750D) and 8° down angle output shaft (PRM 750A).

Download: Installation Drawing | User Manual

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Nominal Power Ratings, PRM 750A Gearbox (with 8° Angle Drive)

Model Ahead Ratio Pleasure Light Commercial Heavy Commercial
kW BHP kW BHP kW BHP
750A1 1.09:1 7.17 9.62 5.68 7.62 5.39 7.23
750A1.5 1.46:1
750A2 1.94:1 7.07 9.48 5.68 7.62 5.39 7.23
750A2.5 2.57:1
750A3 2.90:1 5.96 8.00 5.60 7.51 5.24 7.02

Maximum operating speeds: 4500 rev/min intermittent, 4000 rev/min continuous.

 

Nominal Power Ratings, PRM 750D Gearbox (with integral BW adaptor)

Model Ahead Ratio Pleasure Light Commercial Heavy Commercial
kW BHP kW BHP kW BHP
750C1 1.09:1 7.85 10.52 6.07 8.13 5.86 7.85
750C1.5 1.46:1
750C2 1.94:1 7.07 9.84 5.68 7.85 5.55 7.43
750C2.5 2.57:1
750C3 2.90:1 5.96 8.00 5.60 7.50 5.24 7.02

Maximum operating speeds: 4500 rev/min intermittent, 4000 rev/min continuous

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