Price Book - Page 76
PRM MARINE GEARBOXES
Page Updated: 06-Dec-22
Boatbuilder Prices
* Gearboxs for these ratios are generally available for prompt delivery from our stock of over 80 gearboxes.
Power ratings (HP/100) are shown for Pleassure use (Diesel). For Commercial please request applicable power ratings for application.
PRM 60, 90 &125 MECHANICAL MARINE GEARBOX
GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | FLANGE SIZE | LIST PRICE | PRICE | 60D1.5 | 1.52:1* | 0.98 | Internal | 4" | £777 | £598 |
60D2 | 2.00:1* | 0.85 | Internal | 4" | £777 | £598 |
60D2.5 | 2.50:1* | 0.85 | Internal | 4" | £777 | £598 |
90D2 | 2.04:1* | 1.26 | Internal | 4" | £845 | £651 |
90D2.5 | 2.50:1* | 1.10 | Internal | 4" | £845 | £651 |
125D2 | 2.04:1* | 1.75 | Internal | 4" | £1,021 | £786 |
125D2.5 | 2.50:1* | 1.40 | Internal | 4" | £1,021 | £786 |
125D3 | 2.94:1* | 1.15 | Internal | 4" | £1,021 | £786 |
PRM90 was PRM80, PRM125 was PRM120 |
Diesel HP/100RPM for Pleasure use |

PRM125
PRM 150 HYDRAULIC MARINE GEARBOX
GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | FLANGE SIZE | LIST PRICE | PRICE | 150D1.5 | 1.53:1* | 2.53 | 1 | 4" | £1,416 | £1,090 |
150D2 | 2.09:1* | 2.53 | 1 | 4" | £1,416 | £1,090 |
150D3 | 2.83:1* | 2.53 | 1 | 4" | £1,416 | £1,090 |
Oil cooler See Marine Gearbox Oil Coolers page |

PRM150
PRM 260 & 280 HYDRAULIC MARINE GEARBOX
GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | FLANGE SIZE | LIST PRICE | PRICE | 260C2 Coaxial | 1.96:1 | 3.6 | 2 | 5" | £2,552 | £1,965 |
260C3 Coaxial | 2.94:1 | 3.6 | 2 | 5" | £2,552 | £1,965 |
280D2 Drop Centre | 1.96:1 | 3.9 | 2 | 5" | £2,055 | £1,582 |
280D3 Drop Centre | 2.94:1 | 3.9 | 2 | 5" | £2,055 | £1,582 |
280DP2 Drop Centre | 1.96:1 | 3.9 | 2 | 5" | £2,312 | £1,780 |
280DP3 Drop Centre | 2.94:1 | 3.9 | 2 | 5" | £2,312 | £1,780 |
280D2 was PRM260, 280D3 was Was PRM261 |
280DP32 & 280DP3 upplied with PTO fitted |

PRM280D
PRM 500D HYDRAULIC MARINE GEARBOX
GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | FLANGE SIZE | LIST PRICE | PRICE | 500D1.5 | 1.46:1 | 6.4 | 3 | 6" | £3,013 | £2,320 |
500D2 | 1.94:1 | 6.4 | 3 | 6" | £3,013 | £2,320 |
500D2.5 | 2.57:1 | 6.2 | 3 | 6" | £3,013 | £2,320 |
500D3 | 2.90:1 | 6.2 | 3 | 6" | £3,013 | £2,320 |
PRM500 was PRM401/402 |
Drop Center gearbox |

PRM500D
PRM 750D HYDRAULIC MARINE GEARBOX
GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | FLANGE SIZE | LIST PRICE | PRICE | 750D1 | 1.09:1* | 10.52 | 2.5 | 6" | £3,343 | £2,574 |
750D1.5 | 1.46:1* | 10.52 | 2.5 | 6" | £3,343 | £2,574 |
750D2 | 1.94:1* | 9.84 | 2.5 | 6" | £3,343 | £2,574 |
750D2.5 | 2.57:1 | 9.84 | 2.5 | 6" | £3,343 | £2,574 |
750D3 | 2.90:1 | 8.00 | 2.5 | 6" | £3,343 | £2,574 |
750D4 | 3.95:1* | 8.00 | 2.5 | 6" | £3,835 | £2,953 |
Convert PRM 750D to PRM 750A | * | 9.62 | 2.5 | — | £1,197 | £922 |
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PRM 750A ANGLE DRIVE [8°] HYDRAULIC MARINE GEARBOX
GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | FLANGE SIZE | LIST PRICE | PRICE | 750A1 | 1.09:1 | 9.62 | 2.5 | 6" | £4,540 | £3,496 |
750A1.5 | 1.46:1* | 9.62 | 2.5 | 6" | £4,540 | £3,496 |
750A2 | 1.94:1* | 9.48 | 2.5 | 6" | £4,540 | £3,496 |
750A2.5 | 2.57:1* | 9.48 | 2.5 | 6" | £4,540 | £3,496 |
750A3 | 2.90:1* | 8.00 | 2.5 | 6" | £4,540 | £3,496 |
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PRM 750C COAXIAL HYDRAULIC MARINE GEARBOX
GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | FLANGE SIZE | LIST PRICE | PRICE | 750C1 In-Line | 1.09:1* | 10.52 | 3 | 6" | £3,768 | £2,901 |
750C1.5 In-Line | 1.46:1* | 10.52 | 3 | 6" | £3,768 | £2,901 |
750C2 In-Line | 1.94:1* | 9.48 | 3 | 6" | £3,768 | £2,901 |
750C2.5 In-Line | 2.57:1* | 9.48 | 3 | 6" | £3,768 | £2,901 |
750C3 In-Line | 2.90:1 | 8.00 | 3 | 6" | £3,768 | £2,901 |
PRM 750 series replaced PRM401/402 |
D designation is for Drop Centre |
A designation is for 8° Angle Drive |
C designation is a Coaxial In-line gearbox. Replaces Borg Warner 72C |
Maximum operating speeds: 4500 rev/min intermittent, 4000 rev/min continuous. |
PRM 1000D HYDRAULIC MARINE GEARBOX
GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | FLANGE SIZE | LIST PRICE | PRICE | 1000D1.5 | 1.53:1 | 14.04 | 3 | 6" | £4,396 | £3,385 |
1000D2 | 2.03:1 | 12.64 | 3 | 6" | £4,396 | £3,385 |
1000D3 | 2.86:1 | 11.50 | 3 | 6" | £4,396 | £3,385 |
1000D4 | 4.00:1 | 11.50 | 3 | 6" | £4,972 | £3,828 |
Convert PRM 1000D to PRM 1000A | — | 12.95 | 3 | — | £1,453 | £1,119 |
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PRM 1000 ANGLE DRIVE [10°] HYDRAULIC MARINE GEARBOX
GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | FLANGE SIZE | LIST PRICE | PRICE | 1000A1.5 | 1.53:1 | 12.95 | 3 | 6" | £5,849 | £4,504 |
1000A2 | 2.03:1 | 12.64 | 3 | 6" | £5,849 | £4,504 |
1000A3 | 2.86:1 | 11.50 | 3 | 6" | £5,849 | £4,504 |
Models available with hard shift (1000DH) and low speed pump (1000DL) |
D designation is for Drop Centre |
A designation is for 10° Angle Drive |

PRM1000A
V.A.T. extra on U.K. sales, except Channel Isles.
Packing & Carriage is extra, optimum time route & cost tailored to the clients needs.
Quantity terms available on request.