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8M21C
Cylinder diameter
127 mm Arrangement and number of cylinders
V8
Piston stroke
165 mm Working volume
16,7 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 |
| 8M21Y1000- 23E200 | 2300 | 4000 | 735 | 224,5 | T/V-Vod/PO | P3 |
| 8M21Y1100- 23E200 | 2300 | 4100 | 809 | 221,9 | T/V-Vod/PO | P3 |
| 8M21Y1250- 23E200 | 2300 | 4400 | 919 | 231,4 | T/V-Vod/PO | P4 |
| 8M21Y1360- 23E200 | 2300 | 4600 | 1000 | 223,8 | T/V-Vod/PO | P5 |
Engines dimensions
| Engine model | "L" Length, mm | "W" Width, mm | "H" Height, mm | "Dry" Weight, kg |
| 8M21Y | 1640 | 1260 | 1320 | 2050 |
8M21C
Standard equipment
Propulsion engine operating modes
| 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 |
