MTU Diesel engines for the oil and gas industry, Generator drives, Prime Power switchable 50/60 Hz
Rating definition: Cont. operation with variable load
Load factor: < 75 %
Operating hours: unrestricted
Power: 10 % overload capabilty (ICXN)
| Engine model | kW | rpm | Optimization |
| MTU 12V 4000 G21R | 1102 / 1212 | 1500 / 1800 | X,1 |
| MTU 12V4000G23 | 1420 / 1520 | 1500 / 1800 | X,3 |
| MTU 12V4000G63 | 1575 / 1736 | 1500 / 1800 | X,3 |
| MTU 16V4000G23 | 1798 / 2020 | 1500 / 1800 | X,3 |
| MTU 16V4000G63 | 1965 / 2280 | 1500 / 1800 | X,3 |
| MTU 20V4000G23 | 2200 / 2490 | 1500 / 1800 | X,3 |
| MTU 20V4000G63 | 2420 / 2740 | 1500 / 1800 | X,3 |
| MTU 20V4000G63L | 2590 / 3010 | 1500 / 1800 | X,3 |
Intake air temperature: 25°C
Charge-air coolant temperature: 55°C
Site altitude above sea level 100 m
Exhaust optimization:
(x) Fuel consumption
(1) TA-Luft (NOx <1500 mg/mN3) optimized
(3) EPA Nonroad Regulation 40 CFR 89, Tier 2 compliant (ESP or Flexibility)