Price Book - Page 42
PRM MARINE GEARBOXES
Page Updated: 09-Nov-24
* Gearboxs for these ratios are generally available for prompt delivery from our stock of over 80 gearboxes.
Power ratings (HP/100) are shown for Pleasure 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 | LIST PRICE | PRICE | | 60D1.5 | 1.52:1 | 0.98 | Internal | £927 | £746 |
| 60D2 | 2.00:1 | 0.85 | Internal | £927 | £746 |
| 60D2.5 | 2.50:1 | 0.85 | Internal | £927 | £746 |
| 90D2 | 2.04:1 | 1.26 | Internal | £1,098 | £889 |
| 90D2.5 | 2.50:1 | 1.10 | Internal | £1,098 | £889 |
| 125D2 | 2.04:1 | 1.75 | Internal | £1,284 | £1,040 |
| 125D2.5 | 2.50:1 | 1.40 | Internal | £1,284 | £1,040 |
| 125D3 | 2.94:1 | 1.15 | Internal | £1,284 | £1,040 |
| 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 | LIST PRICE | PRICE | | 150D1.5 | 1.53:1 | 2.53 | 1 | £1,789 | £1,449 |
| 150D2 | 2.09:1 | 2.53 | 1 | £1,789 | £1,449 |
| 150D3 | 2.83:1 | 2.53 | 1 | £1,789 | £1,449 |
| Oil cooler See Marine Gearbox Oil Coolers page |

PRM150
PRM 260 COAXIAL HYDRAULIC MARINE GEARBOX
| GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | LIST PRICE | PRICE | | 260C2 | 1.96:1 | 3.6 | 2 | £2,998 | £2,428 |
| 260C3 | 2.94:1 | 3.6 | 2 | £2,998 | £2,428 |
| C designation is for Coxial where Input and Output shafts are In-Line |
PRM 280 DROP CENTRE HYDRAULIC MARINE GEARBOX
| GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | LIST PRICE | PRICE | | 280D2 | 1.96:1 | 3.9 | 2 | £2,612 | £2,116 |
| 280D3 | 2.94:1 | 3.9 | 2 | £2,612 | £2,116 |
| 280DP2 with PTO | 1.96:1 | 3.9 | 2 | £3,073 | £2,489 |
| 280DP3 with PTO | 2.94:1 | 3.9 | 2 | £3,073 | £2,489 |
| 280D2 was PRM260, 280D3 was PRM261 |
| 280DP32 & 280DP3 supplied with PTO fitted |

PRM280D
PRM 500D DROP CENTRE HYDRAULIC MARINE GEARBOX
| GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | LIST PRICE | PRICE | | 500D1.5 | 1.46:1 | 6.4 | 3 | £3,557 | £2,881 |
| 500D2 | 1.94:1 | 6.4 | 3 | £3,557 | £2,881 |
| 500D2.5 | 2.57:1 | 6.2 | 3 | £3,557 | £2,881 |
| 500D3 | 2.90:1 | 6.2 | 3 | £3,557 | £2,881 |
| PRM500 was PRM401/402 |
| D designation is for Drop Centre |

PRM500D
PRM 750D DROP CENTRE HYDRAULIC MARINE GEARBOX
| GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | LIST PRICE | PRICE | | 750D1 | 1.09:1 | 10.52 | 2.5 | £4,310 | £3,491 |
| 750D1.5 | 1.46:1 | 10.52 | 2.5 | £4,310 | £3,491 |
| 750D2 | 1.94:1 | 9.84 | 2.5 | £4,310 | £3,491 |
| 750D2.5 | 2.57:1 | 9.84 | 2.5 | £4,310 | £3,491 |
| 750D3 | 2.90:1 | 8.00 | 2.5 | £4,310 | £3,491 |
| 750D4 | 3.95:1 | 8.00 | 2.5 | £4,981 | £4,632 |
| Convert PRM 750D to PRM 750A | - | - | - | £0 | £1,411 |
| D designation is for Drop Centre |
| SAE1 to SAE4 Adaptor Flanges see Page 47 |
| MT0210 8 deg Angle drive unit available seperately |
| Oil cooler kit up to 130kW (750D), 105kW (PRM750A) POA |
| Oil cooler kit over 130kW (750D), 105kW (PRM750A) POA |
| Oil Pipe Assembly £113 |
| Bracket Dc Cooler £21 |
| See R&D Couplings POA |
| See R&D Couplings POA |
| Prm 500/750 Power Take Off Sae B £519 |
| Start C/O Switch Kit-601/2 £36 |
| Gly Oil Pressure Gauge 600Psi 2" Dia £155 |
PRM 750A ANGLE DRIVE [8°] HYDRAULIC MARINE GEARBOX
| GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | LIST PRICE | PRICE | | 750A1 | 1.09:1 | 9.62 | - | £5,668 | £4,676 |
| 750A1.5 | 1.46:1 | 9.62 | - | £5,668 | £4,676 |
| 750A2 | 1.94:1 | 9.48 | - | £5,668 | £4,676 |
| 750A2.5 | 2.57:1 | 9.48 | - | £5,668 | £4,676 |
| 750A3 | 2.90:1 | 8.00 | - | £5,668 | £4,676 |
| A designation is for 8° Angle Drive |
PRM 750C COAXIAL HYDRAULIC MARINE GEARBOX
| GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | LIST PRICE | PRICE | | 750C1 | 1.09:1 | 10.52 | 3 | £4,860 | £3,937 |
| 750C1.5 | 1.46:1 | 10.52 | 3 | £4,860 | £3,937 |
| 750C2 | 1.94:1 | 9.48 | 3 | £4,860 | £3,937 |
| 750C2.5 | 2.57:1 | 9.48 | 3 | £4,860 | £3,937 |
| 750C3 | 2.90:1 | 8.00 | 3 | £4,860 | £3,937 |
| PRM 750 series replaced PRM401/402 |
| C designation is for Coxial where Input and Output shafts are In-Line. Replaces Borg Warner 72C. |
| Maximum operating speeds: 4500 rev/min intermittent, 4000 rev/min continuous. |
PRM 1000D DROP CENTRE HYDRAULIC MARINE GEARBOX
| GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | LIST PRICE | PRICE | | 1000D1.5 | 1.53:1 | 14.04 | 3 | £5,585 | £4,524 |
| 1000D2 | 2.03:1 | 12.64 | 3 | £5,585 | £4,524 |
| 1000D3 | 2.86:1 | 11.50 | 3 | £5,585 | £4,524 |
| 1000D4 | 4.00:1 | 11.50 | 3 | £6,032 | £4,886 |
| Convert PRM 1000D to PRM 1000A | — | — | 3 | £2,046 | £1,637 |
| D designation is for Drop Centre |
| SAE1 to SAE4 Adaptor Flanges see Page 47 |
| MT0345 10 deg Angle drive unit available seperately |
| Prm 1000 Clutched Pto £1083 |
| Oil cooler kit up to 180kW (1000D), 150kW (PRM1000A) POA |
| Oil cooler kit over 130kW (750D), 105kW (PRM750A or with PTO) POA |
| Oil Pipe Assembly £113 |
| Tail Shafts see R&D Couplings POA |
| Tail Shafts see R&D Couplings POA |
| Tail Shaft Flexiable Couplings see R&D Couplings POA |
| Gly Oil Pressure Gauge 600Psi 2" Dia £155 |

PRM1000A
PRM 1000 ANGLE DRIVE [10°] HYDRAULIC MARINE GEARBOX
| GEARBOX | GEAR RATIO | HP/100 RPM | COOLER SIZE | LIST PRICE | PRICE | | 1000A1.5 | 1.53:1 | 12.95 | 3 | £7,133 | £5,778 |
| 1000A2 | 2.03:1 | 12.64 | 3 | £7,133 | £5,778 |
| 1000A3 | 2.86:1 | 11.50 | 3 | £7,133 | £5,778 |
| Models available with hard shift (1000DH) and low speed pump (1000DL) |
| 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.