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Library› Engine Room› Propulsion Gearbox› Propulsion Gearbox / Reduction Gear
Propulsion Gearbox

Propulsion Gearbox / Reduction Gear

A reduction gear exists because diesel and gas turbine engines run efficiently at speeds far higher than a propeller can use without cavitating — the gearbox is what lets the engine and the propeller each turn at the speed that suits them.

1,717models
46manufacturers
500–8,000 kWtypical power
10 Oct 2026last updated
Models

Models in this type.

Models 801 to 900 of 1,717 in Propulsion Gearbox / Reduction Gear. Every row links to full specifications, documents and service notes.

Reintjes 322Rossi 290Renk 262ZF Marine 114Leroy-Somer 58Hanla IMS 50ME Production 38Lafert 34Twin Disc 28Masson Marine 26Schottel 21Veth Propulsion 9Data Hidrolik 7Wärtsilä 6MAN Energy Solutions 4Yanmar Norge 3
Sort by:Best documentedNamePower (kW)
ZF Marine35000V Leroy-SomerOt: 94 kg ReintjesWAF 1000kW 5:1 Rossi3000A RenkARSL-750 4.5:1 ZF Friedrichshafen8S22 ZF Marine400 A 15/Light Duty Leroy-SomerCb 3033 ReintjesWAF 1000kW 6:1 Rossi33 × 32 RenkARSL-750 6:1 ZF Friedrichshafen8S2220 ZF Marine40000A ReintjesWAF 100kW 2:1 Rossi34 - B3 - SA - F525 - B16D RenkARSL-8000 3.5:1 ZF Friedrichshafen9S1110 ZF Marine40000V ReintjesWAF 100kW 3:1 Rossi3EB RenkARSL-8000 4.5:1 ZF Friedrichshafen9S1111 ZF Marine45 A ReintjesWAF 100kW 4:1 Rossi3EL RenkARSL-8000 6:1 ZF Friedrichshafen9S1310 ZF Marine45 C ReintjesWAF 100kW 5:1 Rossi3HRAL5010 RenkASD-1000 2.5:1 ZF Friedrichshafen9S1311 ZF Marine45000A ReintjesWAF 100kW 6:1 Rossi3I RenkASD-1000 3.5:1 ZF Friedrichshafen9S1510 ZF Marine45000V ReintjesWAF 15000kW 2:1 Rossi3I 400 RenkASD-1000 4.5:1 ZF FriedrichshafenBW 2356 a BW 2386 ZF Marine48 IV ReintjesWAF 15000kW 3:1 Rossi3Y RenkASD-1000 6:1 ZF FriedrichshafenBW 2356 bis BW 2386 ZF Marine5000A ReintjesWAF 15000kW 4:1 Rossi4 112M RenkASD-10000 2.5:1 ZF FriedrichshafenBW 2356 hasta BW 2386 ZF Marine5000V ReintjesWAF 15000kW 5:1 Rossi40 - 14 × 160/40 - 11 × 140 RenkASD-10000 3.5:1 ZF FriedrichshafenBW 2356 à BW 2386 ZF Marine510 V ReintjesWAF 15000kW 6:1 Rossi450 IV 50/450 V 50 RenkASD-10000 4.5:1 ZF FriedrichshafenBW 2356 до BW 2386 ZF Marine53000A ReintjesWAF 1500kW 2:1 Rossi450 IV 80/560 IV 100 RenkASD-10000 6:1 ZF FriedrichshafenBW 5 a BW 5300 ZF Marine53000V ReintjesWAF 1500kW 3:1 Rossi4EB RenkASD-12000 2.5:1 ZF FriedrichshafenBW 5 bis BW 5300 ZF Marine550-1 V ReintjesWAF 1500kW 4:1 Rossi4EL RenkASD-12000 3.5:1 ZF FriedrichshafenBW 5 hasta BW 5300 ZF Marine665 V ReintjesWAF 1500kW 5:1 Rossi5 90S RenkASD-12000 4.5:1 ZF FriedrichshafenBW 5 à BW 5300 ZF Marine68 A ReintjesWAF 1500kW 6:1 Rossi50 - 19 × 200/80 - 19 × 200 RenkASD-12000 6:1 ZF FriedrichshafenBW 5 до BW 5300 ZF Marine7000A ReintjesWAF 20000kW 2:1 Rossi53 forma construtiva V6 RenkASD-1500 2.5:1 ZF FriedrichshafenHBW 35 a HBW 630 ZF Marine7000V ReintjesWAF 20000kW 3:1 Rossi58 - B3 - HBB - AB16DI090 RenkASD-1500 3.5:1 ZF FriedrichshafenHBW 35 bis HBW 630 ZF Marine8000 D/ZF 5355 ReintjesWAF 20000kW 4:1 Rossi63 B5 - 56 C
Related types

Also in Propulsion Gearbox.

The other equipment types in this category.

Reduction Gearbox
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