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Daihatsu

Daihatsu 6DE-18

Daihatsu Diesel DC-17 / DE-18 Marine Auxiliary Engine Series — Marinediesel, Bohrung 170 (DC-17); 185 (DE-18) x Hub 270 (DC-17); 280 (DE-18) mm, 900 / 1000 (DC-17); 720 / 750 / 900 (DE-18) rpm, DC-17: 440-610 kW (5DC: 440kW, 6DC: 560-610kW); DE-18: 380-815 kWe (360-808 kWm engine output). Brennstoff: MDO (Marine Diesel Oil) up to 700 mm²/s/50°C; HFO (Heavy Fuel Oil). Status: Production models; DC-17 introduced 2001; DE-18 part of current DE series (Tier 2 compliant). Verifiziert, Datenblatt verlinkt.

Per Hersteller-Datenblatt
Capacity
MDO/HFO
Medium

Engine Specifications

6
Cylinders
185 mm
Bore
4-stroke
Stroke Type

Components & Design

Component data being added…

Technical Data

DC-17 Bore 170 mm
DC-17 Stroke 270 mm
DE-18 Bore 185 mm
DE-18 Stroke 280 mm
5DC-17 Max Power 440 kW (900 rpm) / 465 kW (720 rpm)
6DC-17 Max Power 560 kW (900 rpm) / 610 kW (1000 rpm)
6DE-18 Max Power 815 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-18 2.5 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-17Ae 10.0-11.0 tons
DC-17 Displacement (5-cyl) ~9,700 cc
DC-17 Displacement (6-cyl) ~11,600 cc
DE-18 Displacement ~18,100 cc
Fuel Compatibility MDO up to 700 mm²/s/50°C or HFO

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Common failures & inspection points

Fuel injection nozzle atomization improvement required
Fuel injection valve inspection and maintenance critical
Vibration reinforcement needed on fuel main pipe
Fuel high pressure block mounting bolts require specific torque specification

Type-general inspection and maintenance points for this equipment category — not model-specific.

Service & Maintenance

Follow Daihatsu maintenance plan for injectors, valves, coolers and turbocharger cleaning.

Suppliers & Spare Parts

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Replacement Parts

Keep fuel injectors, exhaust valves, filters, gasket kits and cooler seals.
Equipment Model #36835 · discontinued