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6LDK-20DF

Main Engine 4-Stroke · Main Engines (4-Stroke)

Class-certified type (DNV register) · technical data sheet not yet verified
1,050 kWPower
6Cylinders
200 mmBore
300 mmStroke
Daihatsu in the SpecCodex register — view brand page →

The Daihatsu 6LDK-20DF is a 6‑cylinder, vertically mounted, water‑cooled dual‑fuel (LNG/HFO) main engine delivering up to 1 050 kW at 900 rpm, designed for compact auxiliary or low‑speed propulsion applications.

Specifications

Technical data.reference — unverified

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TypeVertical water-cooling direct injection 4-cycle diesel engine
Mean Effective Pressure (Pme)2.16-2.45 MPa
Piston Speed @ 900 RPM9.00 m/sec
Piston Speed @ 720 RPM7.20 m/sec
6DK-20e Dry Weight16.0 tonnes (16000 kg)
5DK-20e Dry Weight13.5 tonnes (13500 kg)
8DK-20e Dry Weight22.0 tonnes (22000 kg)
Displacement (6-cylinder calculated)56.5 liters (56500 cc)
Cooling SystemJacket cooling with fresh water and sea water cooler option
Fuel InjectionDirect injection with nozzle cooling system (critical for HFO operation)
Starting SystemDirect electric start (6DK+); Air motor start (5DK)
Power (kW)1050
Speed (rpm)900
Fuel TypeLNG/HFO (Dual-Fuel)
ConfigurationL
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