"> Caterpillar MaK 8L M601C
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Caterpillar MaK

8L M601C

The Caterpillar MaK 8L M601C is a medium‑speed, inline‑8, four‑stroke diesel main engine delivering roughly 8 MW at ~425 rpm, known for its robust mechanical design and fuel flexibility.

8400.0 kW
Power

Engine Specifications

8
Cylinders
601 mm
Bore
760 mm
Stroke

Components & Design

Component data being added…

Technical Data

Bohrung 580 mm (Quelle: Maritime Reporter 1986)
Hub 600 mm (Quelle: Maritime Reporter 1986)
6M601 Leistung 5.880 kW @ 425 rpm (Quelle: Skyline Ships)
8M601 Leistung 8.000 kW (Quelle: Maritime Reporter 1986)
8M601 SFOC 125 g/kWh or 124 g/PSh (optimized, source: OSTI/Maritime Reporter 1986)
Motortyp 4-Takt Diesel, großer Hub (Long-Stroke), Medium-Speed
Gewicht (8M601) 140 Tonnen (Quelle: Web-Recherche)
Brennstoff HFO, MGO, Diesel, Gas, Dual Fuel capable (Quelle: Skyline Ships)
Hersteller Maschinenbau Kiel (MaK), jetzt Caterpillar Motoren (seit 1997 Caterpillar)
configuration L
rpm 375
fuel type HFO
technology Mechanical Heavy-Duty Trunk Piston
displacement l per cyl 215.6

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Common failures & inspection points

Camshaft bearing wear and cam follower wear with excessive axial clearance

Visual inspection of camshaft bearings for wear/scratches, measure axial clearance, check for metallic rattle from valve cover on cold start

Crankshaft bearing wear with crosshead pin scratches and potential bearing shell cracking

Install/check thermoelectric monitoring system; inspect shaft journals for scratches/polishing; measure bearing clearances

Cylinder liner uneven wear and honing mark surface finish wear

Perform channel video endoscopy; laser measurements for out-of-roundness and wear (limit >0.4–0.8% Ø), check surface finish; inspect piston-to-liner scratch marks

Piston ring wear with compression loss and blow-by signs

Perform compression tester; check piston crown for cracks and ring groove wear; measure ring free plays; check crosshead piston pin wear

Exhaust valve wear, carbon deposits and seat leakage

Perform valve seat measurement with go/no-go gauge, check surface finish, perform leakage test with compression tester, inspect valve crown for erosion/deposits

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

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Equipment Model #66562 · discontinued