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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 101 to 200 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)
WärtsiläSG 300 3,000 kW ZF PadovaZF 311 Family Dana Motion Systems ItaliaSLW / SCW / SMW series JEFA SteeringRG10-130 Sole DieselTM-345A EIE MaskinMJ0 MAN Energy SolutionsL30A ScanaACG 380–ACG 1400 Japan EngineYXH-240L R0384DMTP5100 Yanmar NorgeZF63A [down angle 8°] ReintjesWGF 1175 5,000 kW Rossi(2) Hollow low speed shaft with keyway-sizes 4000 ... 6301 RenkMAAG LGDH 10000-40000 kW ZF Friedrichshafen12 AS 1620 WO ZF MarineZF 7640 800 kW Leroy-SomerCb 30 D16-0045C 0 5 2 1 8 . 0 _ M _ - _ _ 3 . 0 A - Hanla IMSAB210 ME Production235HSC LafertMBH140 MuirK061108 RadiconC0521 Finnøy Gear & Propeller2G42-60 F – FK – FP Twin DiscMG-5005A Masson MarineMM W20000 SchottelSCD 2000 Maxwell MarineHRC-FF R2.00 R3 D-I IndustrialDMT 130AL Dinamic Oil205000FS Nidec Leroy-SomerMub 3532/Mub 3533 Veth PropulsionMGN-1814 V Voith SchneiderVSP 22 Data HidrolikTK 190 WärtsiläSG 500 5,000 kW ZF PadovaZF 320 FAMILY JEFA SteeringRG10-32 Sole DieselTM-880A EIE MaskinMJ2 MAN Energy SolutionsL32A ScanaACG 450–ACG 1050 ReintjesWVS 1432 4,000 kW Rossi(4) Backstop device RenkMARHY 360 2000-6000 kW ZF Friedrichshafen12 AS 2303 RAIL ZF MarineZF 9300 2,000 kW Leroy-SomerCb 30 MI 1-ph/Cb 30 MI 3-ph D16-0045C 0 5 2 1 8 . 0 _ M _ - _ _ 4 . 0 A - Hanla IMSAB215 ME Production270HS LafertMBH160 MuirK061118 RadiconC0621 Finnøy Gear & Propeller2G50-70 F – FK – FP Twin DiscMG-5145 A Masson MarineMM W3300 SchottelSCD 2500 Maxwell MarineP102180 D-I IndustrialDMT 140H Dinamic Oil235000FS Nidec Leroy-SomerMub 3732/Mub 3733 Veth PropulsionMGN-1816 V Voith SchneiderVSP 26 Data HidrolikTK 650 L WärtsiläSG 700 7,000 kW ZF PadovaZF 550 Family JEFA SteeringZ4-215 Sole DieselTM-93A ReintjesWVS 2440 7,000 kW Rossi(5) Reaction bolt using disc springs-sizes 4000 ... 6301 RenkMARHY 560 5000-15000 kW ZF Friedrichshafen12 AS 2530 SO ZF Marine2200 13 13A Leroy-SomerCb 30 MI Tri D16-0045C 0 6 2 1 8 . 0 _ M _ - _ _ 3 . 0 A - Hanla IMSAB550 ME Production280HSC LafertMBH56 MuirK061121 RadiconC0721 Finnøy Gear & Propeller2G60-80 F – FK – FP - E Twin DiscMG-5145 RV Masson MarineMM W3300DS SchottelSCD 3000 Maxwell MarineP102181 D-I IndustrialDMT 18A Dinamic Oil26000FS Nidec Leroy-SomerMub 3832/Mub 3833 Veth PropulsionMGN-1817 V Voith SchneiderVSP 30 Data HidrolikTK 660 L Wartsila Water SystemsGears Marine Engine ZF PadovaZF 665 Family ReintjesWGF 665 3,000 kW Rossi(6) Fan cooling RenkARSL-1000 2.5:1 ZF Friedrichshafen12 AS 2530 WO ZF Marine3050 DA9 16, 19 Leroy-SomerCb 3031 - Montage intégré MI/Cb 30 MI Tri D16-0045C 0 6 2 1 8 . 0 _ M _ - _ _ 4 . 0 A -
Related types

Also in Propulsion Gearbox.

The other equipment types in this category.

Reduction Gearbox
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