Caterpillar MaK
9L M20C
MAK/Caterpillar Marine M-series 4-stroke medium-speed engines. Used as both propulsion and auxiliary in various vessel types.
1665.0 kW
Power
Engine Specifications
9
Cylinders
200 mm
Bore
300 mm
Stroke
1,665 kW
MCR Power
1000.0 rpm
MCR RPM
4-stroke
Stroke Type
Family: Caterpillar/MAK M20C/M25C/M32C/M43C
· Tier: IMO Tier II
· Brennstoff: HFO, MDO, MGO
⚙️ Weitere Zylinder-Konfigurationen 35
4L20
4 cyl
· 800 kW
6L M20C
6 cyl
· 1,110 kW
6L M25C
6 cyl
· 2,040 kW
6L M32C
6 cyl
· 3,360 kW
6L20
6 cyl
· 1,200 kW
6L32
6 cyl
· 3,480 kW
6M M43C
6 cyl
· 6,060 kW
6M M46DF
6 cyl
· 6,600 kW
Cat C280-6
6 cyl
· 2,100 kW
8L M20C
8 cyl
· 1,480 kW
8L M25C
8 cyl
· 2,720 kW
8L M32C
8 cyl
· 4,480 kW
8L20
8 cyl
· 1,600 kW
8L32
8 cyl
· 4,640 kW
8M M43C
8 cyl
· 8,080 kW
8M M46DF
8 cyl
· 8,800 kW
Cat 3508B
8 cyl
· 560 kW
Cat C280-8
8 cyl
· 2,800 kW
9L M25C
9 cyl
· 3,060 kW
9L M32C
9 cyl
· 5,040 kW
9L20
9 cyl
· 1,800 kW
9L32
9 cyl
· 5,220 kW
9M M43C
9 cyl
· 9,090 kW
9M M46DF
9 cyl
· 9,900 kW
12V M43C
12 cyl
· 12,120 kW
12V M46DF
12 cyl
· 13,200 kW
12V32
12 cyl
· 6,960 kW
Cat 3512B
12 cyl
· 840 kW
Cat 3512C
12 cyl
· 895 kW
Cat C280-12
12 cyl
· 4,200 kW
16V32
16 cyl
· 9,280 kW
Cat 3516B
16 cyl
· 1,120 kW
Cat 3516C
16 cyl
· 1,200 kW
Cat 3516E
16 cyl
· 1,305 kW
Cat C280-16
16 cyl
· 5,600 kW
🔧 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)
unified from engine model
True
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
Direkte Links zu Hersteller, Datenblatt, Ersatzteil-Portal und Händler — damit du als Inspektor Teile sofort findest.
🔒 Premium-Funktion freischalten📦 Verschleißteile
Spare parts data being added…
📚 Manuals
-
operating
MaK M43C Operating Manual
-
maintenance
MaK M43C Maintenance Manual
-
spare_parts
MaK M43C Spare Parts Catalogue
Equipment-Model #38072
· ✓ still in production