Yuchai Diesel Engine is made by Germany equipment, MTU technology
With integral cast iron crankshaft, alloy cast iron cylinder number head, the engine has the advantages of compact size, ligh weight, less vibration, low noise and high reliability.
4-Valve with electronics unit pump (EUP) injection system and advanced injector provide better combustion, lower fuel consumption.
Dual thermostats with gear driven water pump improve reliability and cooling efficiency.
User friendly with low emissions.
More power reserve, better performance.
Good parts commonality.

Alternator: Leroy Somer, Marathon, MECC brand, AC, self-excited, AVR, H/23, 

Controller: Deepsea, ComAp, Smartgen


Genset model:   YC90G
Standby power: 90KVA/72KW
Prime power:     80KVA/64KW
Continuous duty 24/24H under variable load -10% overcharge acceptable 
Prime power:   12 hours per day
Standby power: duty-operation under variable charge 500h/year without overcharge-for continuous use. 

Engine model: YC4D105-D39
Configuration:   Water cooled, 4-stroke
Aspiration:       Turbocharged
Cylinder:          4 cylinder IN LINE
Bore* Stroke:   108*115mm
Displacement:  4.21L
Compression ratio:  17.5 : 1
Rated power:    70KW
Max power:       77KW
Fuel consumption:  200g/kw.h
Oil capacity:      13L
Oil consumption:     1g/kw.h
Altitude without derating:  less than 2500m