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6М21C
Cylinder diameter
127 mm Arrangement and number of cylinders
P6
Piston stroke
165 mm Working volume
12.5 l Models
General characteristics of propulsive engines
| Diesel Engine Model | Rated rotation speed, min-1 | Nominal torque, N*m | Rated power, kW | Specific fuel consumption at 100% load, g/kW*h | Type of boost | Engine rating |
| 6M21Y815- 23E200 | 2300 | 2950 | 599 | 219,9 | T/V-Vod/PO | P3 |
| 6M21Y900- 23E200 | 2300 | 3100 | 662 | 220,4 | T/V-Vod/PO | P4 |
| 6M21Y1000- 23E200 | 2300 | 3300 | 441 | 222,2 | T/V-Vod/PO | P5 |
Engines dimensions
| Engine model | "L" Length, mm | "W" Width, mm | "H" Height, mm | "Dry" Weight, kg |
| 6M21Y | 1700 | 1080 | 1090 | 1450 |
6М21C
Standard equipment
Mode of operation of propulsive engines
| Classification of power | Typical conditions of use | Typical applications include | |
| P1 | Continuous operation mode |
1. Operation throughout the year, but no more than 5000-8000 operating hours; 2. Full power can be used continuously; 3. Average load of 70%~100% of rated power. |
Ocean vessel, Engineering vessel |
| P2 | Heavy duty operation |
1. Operation throughout the year, but no more than 5,000 operating hours; 2. The full power can be used for a maximum of 8 hours every 12 hours; 3. The average load is 40%~80% of the rated power; 4. Continuous variable load, high load at high and medium speeds. |
Ferries, Speedboats, Passenger Boats, Trawlers, Inland Waterway Vessels, Tugs, Maritime Commerce Vessels, Fishing Vessels |
| P3 | Variable load mode |
1. Operation throughout the year, but no more than 3000 operating hours; 2. The full power can be used for a maximum of 4 hours every 12 hours; 3. The average load is 40%~80% of the rated power; 4. The working condition under normal use: Continuous variable load, the normal working condition is high load at high and medium speed |
Offshore support vessels, seasonal cruise ship, high-utilization service vessels |
| P4 | Low power mode |
1. Operation throughout the year, but no more than 1000 operating hours; 2. The full power can be used for a maximum of 2 hours every 8 hours; 3. The average load is 70%-90% of the rated power; 4. High load at high speed and low load at low speed. Increased acceleration requirements. |
Guard ship, patrol boat, assault boats |
| P5 | High Performance mode |
1. Operation throughout the year, but no more than 500 operating hours; 2. The full power can be used for a maximum of 0.5 hours every 5 hours; 3. The average load is 60% of the rated power; 4. High load at high speed and low load at low speed. Increased acceleration requirements. |
Pleasure yachts |
