Main Engine 2-Stroke · Main Engines (2-Stroke)
The MAN 12G80ME-C9.5-GA is a 12‑cylinder, low‑speed 2‑stroke crosshead main engine delivering up to 58 800 kW at 78 rpm, designed for dual‑fuel operation (ammonia or marine diesel oil) with built‑in NOx reduction.
What our service work and the manufacturer documentation say about keeping this model running.
Trend cylinder exhaust temperatures, scavenge condition, lubrication, bearing temperatures, pressures and load balance. Inspect piston, liner, exhaust valve, fuel equipment, scavenge spaces, turbocharging system and bearings according to the maintenance plan. Investigate metal debris, persistent cylinder imbalance or abnormal scavenge deposits promptly. Refer to the manufacturer documentation for the exact figure for clearances, pressures, wear and adjustment limits.
Carry fuel-injection service parts, cylinder-lubrication components, piston-ring and valve service items, filters, sensors, gaskets, O-rings and bearing or sealing spares identified as critical for the installed engine.
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