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5LDC-17

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

Class-certified type (DNV register) · technical data sheet not yet verified
650 kWPower
5Cylinders
170 mmBore
260 mmStroke
Daihatsu in the SpecCodex register — view brand page →

Maintaining optimal performance and reliability are crucial for marine equipment, and the Daihatsu 5LDC-17 engine is designed with these considerations in mind. This robust engine boasts a powerful 650 kW output at 900 rpm, fueled by HFO/MDO. Its specifications include a 5-cylinder configuration, a bore of 170 mm, a stroke of 260 mm, and a fuel-efficient 4-stroke stroke type. The 5LDC-17 is part of the DC-17 family, known for its durability and performance in marine applications. Service bulletins highlight the importance of regular maintenance, particularly focusing on fuel injection nozzle atomization, fuel injection valve inspection, vibration reinforcement on the fuel main pipe, and adherence to specific torque specifications for fuel high pressure block mounting bolts. These service recommendations contribute to the engine's long-term reliability and efficient operation.

Specifications

Technical data.reference — unverified

DC-17 Bore170 mm
DC-17 Stroke270 mm
DE-18 Bore185 mm
DE-18 Stroke280 mm
5DC-17 Max Power440 kW (900 rpm) / 465 kW (720 rpm)
6DC-17 Max Power560 kW (900 rpm) / 610 kW (1000 rpm)
6DE-18 Max Power815 kWe (900 rpm) / 665 kWe (750 rpm)
Pme DC-17 (5-cyl)2.13 MPa
Pme DC-17 (6-cyl)2.21 MPa
Pme DE-182.5 MPa
Piston Speed (DC-17)8.10 m/sec at 900 rpm
Piston Speed (DE-18)8.4 m/sec at 900 rpm; 6.72 m/sec at 720 rpm
Dry Weight 5DC-17Ae10.0-11.0 tons
DC-17 Displacement (5-cyl)~9,700 cc
DC-17 Displacement (6-cyl)~11,600 cc
DE-18 Displacement~18,100 cc
Fuel CompatibilityMDO up to 700 mm²/s/50°C or HFO
Power (kW)650
Speed (rpm)900
Fuel TypeHFO/MDO
ConfigurationL
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