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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 1,201 to 1,300 of 1,717 in Propulsion Gearbox / Reduction Gear. Every row links to full specifications, documents and service notes.

RenkASL-2000 2.5:1 ZF FriedrichshafenZF W93300 y ZF W103100 ReintjesWGF 15000kW 5:1 RossiMR CI 125 ... 280/MR ICI 100 ... 200 RenkASL-2000 3.5:1 ZF FriedrichshafenZF W93300 и ZF W103100 ReintjesWGF 15000kW 6:1 RossiMR CI 40 ... 100/MR CI 125 ... 280 RenkASL-2000 4.5:1 ZF Friedrichshafen8S1920 ReintjesWGF 1500kW 2:1 RossiMR CI 81/MR ICI 81 RenkASL-2000 6:1 ReintjesWGF 1500kW 3:1 RossiMR CI, MR C2I, MR ICI RenkASL-20000 2.5:1 ReintjesWGF 1500kW 4:1 RossiMR ICI 200 UO3A - 42 × 350 - 50.3 RenkASL-20000 3.5:1 ReintjesWGF 1500kW 5:1 RossiMR ICI 200 UO3A - 42 × 350 – 50 RenkASL-20000 4.5:1 ReintjesWGF 1500kW 6:1 RossiMR ICI 200 UO3A - 48 × 350 – 50 RenkASL-20000 6:1 ReintjesWGF 20000kW 2:1 RossiMR IV 100 - 19 × 200 RenkASL-25000 2.5:1 ReintjesWGF 20000kW 3:1 RossiMR IV 100 ... 250 RenkASL-25000 4.5:1 ReintjesWGF 20000kW 4:1 RossiMR IV 200 UO2A – 138 × 300 – 81 RenkASL-25000 6:1 ReintjesWGF 20000kW 5:1 RossiMR IV 50 63 RenkASL-3000 2.5:1 ReintjesWGF 20000kW 6:1 RossiMR IV 50 65 RenkASL-3000 3.5:1 ReintjesWGF 2000kW 2:1 RossiMR IV 50 70 7 RenkASL-3000 4.5:1 ReintjesWGF 2000kW 3:1 RossiMR IV 63 - 19 × 200 RenkASL-30000 2.5:1 ReintjesWGF 2000kW 4:1 RossiMR IV/MR 2IV RenkASL-30000 4.5:1 ReintjesWGF 2000kW 5:1 RossiMR V 100 ... 250 RenkASL-4000 2.5:1 ReintjesWGF 2000kW 6:1 RossiMR V 200 UO2A – 48 × 350 – 32 senza motore RenkASL-4000 3.5:1 ReintjesWGF 200kW 2:1 RossiMR V 430 U O 4 E E RenkASL-4000 4.5:1 ReintjesWGF 200kW 3:1 RossiMR V 50 63 63 RenkASL-4000 6:1 ReintjesWGF 200kW 4:1 RossiMR V 50 UO3A - 14 × 160 – 50 pos. 3 RenkASL-500 2.5:1 ReintjesWGF 200kW 5:1 RossiMR V 64 - 19 × 200 RenkASL-500 3.5:1 ReintjesWGF 200kW 6:1 RossiMR/R RenkASL-500 4.5:1 ReintjesWGF 30000kW 2:1 RossiPB30 RenkASL-500 6:1 ReintjesWGF 30000kW 3:1 RossiPB90 RenkASL-5000 2.5:1 ReintjesWGF 30000kW 4:1 RossiR 2EL 002A 45 RenkASL-5000 3.5:1 ReintjesWGF 30000kW 5:1 RossiR 2EL 009A 25 RenkASL-5000 4.5:1 ReintjesWGF 30000kW 6:1 RossiR 2EL 1060A + RenkASL-5000 6:1 ReintjesWGF 3000kW 2:1 RossiR 2EL 1500A + RenkASL-6000 2.5:1 ReintjesWGF 3000kW 3:1 RossiR 2I ... EH1Z RenkASL-6000 3.5:1 ReintjesWGF 3000kW 4:1 RossiR 2I ... EH2Z RenkASL-6000 4.5:1 ReintjesWGF 3000kW 5:1 RossiR 2I ... EH4U RenkASL-6000 6:1 ReintjesWGF 3000kW 6:1 RossiR 2I 250 RenkASL-750 2.5:1
Related types

Also in Propulsion Gearbox.

The other equipment types in this category.

Reduction Gearbox
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