Caterpillar MaK
MaK M552C
MaK M551 / M552 (Legacy 450mm) — Viertakt-Marinediesel, Bohrung 450 x Hub 550 (M551) / 520 (M552) mm, M551: 300-450 rpm (typical 425 rpm rated); M552: 500 rpm rated rpm, 3,490-7,469 kW depending on configuration (6M551 to 12M552). Brennstoff: Heavy Fuel Oil (HFO), Marine Diesel, up to 7,000 sec Redwood I viscosity. Status: Legacy / Obsolete (Production: ~1980s, Caterpillar acquired division 1997, engine now discontinued but still operational in field). Verifiziert, Datenblatt verlinkt.
Engine Specifications
552 mm
Bore
720 mm
Stroke
🔧 Komponenten & Aufbau
Component data being added…
📊 Technische Daten
Bore
450 mm
Stroke M551
550 mm
Stroke M552
520 mm
Output per cylinder
780 bhp (M551 @ 425 rpm) / 835 bhp (M552 @ 500 rpm)
SFOC (8-cyl economy)
130 g/bhp-h
Lubrication oil inlet
50-55 °C
Oil pressure
4.0-5.0 bar
Valve guide clearance limit
0.40 mm (inlet & exhaust)
Fuel capability
up to 7,000 sec Redwood I @ 100 °F
rpm
400
configuration
L
fuel type
HFO
technology
Mechanical Heavy-Duty Trunk Piston
bore mm v
450
stroke mm v
550 (M551) / 520 (M552)
rpm v
M551: 300-450 rpm (typical 425 rpm rated); M552: 500 rpm rated
fuel v
Heavy Fuel Oil (HFO), Marine Diesel, up to 7,000 sec Redwood I viscosity
status v
Legacy / Obsolete (Production: ~1980s, Caterpillar acquired division 1997, engine now discontinued but still operational in field)
datasheet url
https://pdfcoffee.com/mak-551-552-c-marine-diesel-engine-operating-manual-2-pdf-free.html
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Spare parts data being added…
📚 Manuals
- datasheet
- project_guide
Equipment-Model #66556
· discontinued