MaK (Caterpillar)
6LM20C2
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.
1200.0 kW
Power
Engine Specifications
6
Cylinders
200 mm
Bore
300 mm
Stroke
4-stroke
Stroke Type
🔧 Komponenten & Aufbau
Component data being added…
📊 Technische Daten
power kw
1200
rpm
1000
fuel type
HFO/MDO
configuration
L
confidence
0.85
needs verification
False
catalog added at
2026-05-22T23:48:32
verified specs
{'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)'}
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
datasheet url
None
sources
['https://www.industrialmarinepower.com/products/mak-m-20-c-propulsion/26/', 'https://www.rivieramm.com/news-content-hub/news-content-hub/mak-upgrades-m20-design-to-c-status-51088', 'https://www.burakmarine.com/mak-m20-type-of-engines/', 'https://spareparts-marine-engines.com/mak-m20-series-engine/', 'https://pdf.nauticexpo.com/pdf/caterpillar-marine-power-systems/brochure-m-20-c/19997-40629.html', 'https://www.maritimepropulsion.com/directory/product/mak-6-m-20-c1020hp-900-110129']
⚠️ Typische Ausfälle
- ● _hinweis
- ● items
📦 Verschleißteile
Spare parts data being added…
Equipment-Model #123950
· ✓ still in production