MaK (Caterpillar)
6LM20C
Caterpillar MaK M20C — Viertakt-Marinediesel, Bohrung 200 x Hub 300 mm, 900/1000 rpm, 1020-1710 (propulsion); 1080-1710 kWe (50Hz genset); 970-1450 kWe (60Hz genset). Brennstoff: HFO (Heavy Fuel Oil), MDO (Marine Diesel Oil), DMA (Marine Distillate). Status: In production since 1992; Modern status: active, currently produced in China (Caterpillar Motoren Guangdong assembly line); IMO Tier II compliant, Tier III retrofit capable. Verifiziert, Datenblatt verlinkt.
1170.0 kW
Power
Engine Specifications
6
Cylinders
200 mm
Bore
300 mm
Stroke
4-stroke
Stroke Type
🔧 Komponenten & Aufbau
Component data being added…
📊 Technische Daten
Bore/Stroke ratio
200/300 mm (ratio 1:1.5)
BMEP (Brake Mean Effective Pressure)
24.1 bar @ 900 rpm, 24.2 bar @ 1000 rpm
SFOC (Specific Fuel Oil Consumption)
186-190 g/kWh @ 100%/85% MCR
Specific oil consumption
0.6 g/kWh (tolerance ±0.3 g/kWh)
Swept volume per cylinder
9.4 liters
Power per cylinder
170-190 kW
Mean piston speed
9-10 m/s @ 900/1000 rpm
Turbocharger system
KBB HPR4000/5000, high-performance, non-water-cooled casing with high charge air delivery
Charge air cooler
Redesigned for M20C, integrated with cooling system
Fuel injection system
Direct injection, high-pressure common rail capable
Cylinder liner
Anti-wear ring design, piston removal interval 30,000 hours under HFO operation
Genset frequency stability
Frequency drop <5% in 4-load step system (testbed confirmed)
power kw
1170
rpm
1000
fuel type
HFO/MDO
configuration
L
bore mm v
200
stroke mm v
300
rpm v
900/1000
fuel v
HFO (Heavy Fuel Oil), MDO (Marine Diesel Oil), DMA (Marine Distillate)
status v
In production since 1992; Modern status: active, currently produced in China (Caterpillar Motoren Guangdong assembly line); IMO Tier II compliant, Tier III retrofit capable
⚠️ Typische Ausfälle
- ● _hinweis
- ● items
🛒 Bezugsquellen & Ersatzteile
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Spare parts data being added…
📚 Manuals
- project_guide
Equipment-Model #123615
· ✓ still in production