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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 1,101 to 1,200 of 1,717 in Propulsion Gearbox / Reduction Gear. Every row links to full specifications, documents and service notes.

RenkASD-750 6:1 ZF2550 NR ReintjesWAF 600kW 5:1 RossiF420 RenkASD-8000 2.5:1 ZF2550 U ReintjesWAF 600kW 6:1 RossiF525 RenkASD-8000 3.5:1 ZF2555 A ReintjesWAF 8000kW 2:1 RossiF625 RenkASD-8000 4.5:1 ZF2555 U ReintjesWAF 8000kW 3:1 RossiF730 RenkASD-8000 6:1 ZF2560 P ReintjesWAF 8000kW 4:1 RossiF835 RenkASL-1000 2.5:1 ZF FriedrichshafenZF 3000 ReintjesWAF 8000kW 5:1 RossiF945 RenkASL-1000 3.5:1 ZF FriedrichshafenZF 3050 ReintjesWAF 8000kW 6:1 RossiGröße  81/Größe  100 RenkASL-1000 4.5:1 ZF FriedrichshafenZF 3055 ReintjesWGF 10000kW 2:1 RossiHB 3 Z 90S - 4 230.400 50 - RenkASL-1000 6:1 ZF FriedrichshafenZF 4 a ZF 115 ReintjesWGF 10000kW 3:1 RossiHB 3 Z 90S - 4 230.400 50 - B16D - TB0 RenkASL-10000 2.5:1 ZF FriedrichshafenZF 4 bis ZF 115 ReintjesWGF 10000kW 4:1 RossiHB 3 Z 90S - 4 230.400 50 - B5 - TB0 RenkASL-10000 3.5:1 ZF FriedrichshafenZF 4 hasta ZF 115 ReintjesWGF 10000kW 5:1 RossiHB3 160M 4 400-50 B5 RenkASL-10000 4.5:1 ZF FriedrichshafenZF 4 à ZF 115 ReintjesWGF 10000kW 6:1 RossiIV 125 RenkASL-10000 6:1 ZF FriedrichshafenZF 4 до ZF 115 ReintjesWGF 1000kW 2:1 RossiIV 160 RenkASL-12000 2.5:1 ZF4600 Series ReintjesWGF 1000kW 3:1 RossiIV 200 RenkASL-12000 3.5:1 ZF FriedrichshafenZF SD 10 ReintjesWGF 1000kW 4:1 RossiIV 250 RenkASL-12000 4.5:1 ZF FriedrichshafenZF SD 15 ReintjesWGF 1000kW 5:1 RossiIV 315 RenkASL-12000 6:1 ZF FriedrichshafenZF W220 a ZF W93100 ReintjesWGF 1000kW 6:1 RossiIV 40 - 14 × 160 71 B RenkASL-1500 2.5:1 ZF FriedrichshafenZF W220 bis ZF W93100 ReintjesWGF 100kW 2:1 RossiMR 2I 140 UP2A - 48 × 350 - 17.6 RenkASL-1500 3.5:1 ZF FriedrichshafenZF W220 hasta ZF W93100 ReintjesWGF 100kW 3:1 RossiMR 2I 140 UP2A - 48×350 – 17 RenkASL-1500 4.5:1 ZF FriedrichshafenZF W220 à ZF W93100 ReintjesWGF 100kW 4:1 RossiMR 2IV 100 ... 126 RenkASL-1500 6:1 ZF FriedrichshafenZF W220 до ZF W93100 ReintjesWGF 100kW 5:1 RossiMR 2IV 81 - 19 × 200 RenkASL-15000 2.5:1 ZFW2500 ReintjesWGF 100kW 6:1 RossiMR 2IV 81 - 19 × 200/MR V 64 - 19 × 200 RenkASL-15000 3.5:1 ZF FriedrichshafenZF W93300 e ZF W103100 ReintjesWGF 15000kW 2:1 RossiMR 3I 40 ... 125/MR 4I RenkASL-15000 4.5:1 ZF FriedrichshafenZF W93300 et ZF W103100 ReintjesWGF 15000kW 3:1 RossiMR 3I 80 UC2A – 19 × 200 – 49 RenkASL-15000 6:1 ZF FriedrichshafenZF W93300 und ZF W103100 ReintjesWGF 15000kW 4:1 RossiMR C2I
Related types

Also in Propulsion Gearbox.

The other equipment types in this category.

Reduction Gearbox
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