USA Cumins Diesel Engine with advanced design, reliable
performance, durable operation Alloy-steel and connecting
steel-level, high durability High conbustion efficiency and low
fuel consumption, work continuously Optimized-design anti-vibration
system accurate pressure-boost and low speed cooling fan reducting
noise effectively. Alternator exciting system making generator set
recover under any sudden loading with frequency falling ensuring
power supplying reliably Generator ser can be 100% in sudden load
or 100% sharp reduction. New material and advanced production
process applied, ventilation system compliant with CCC (China
Compulsory Certification) Residential muffler installed, reduction
noise substantially. Noise level between 65-75dBA@7m, With three
accessing doors and one window. Genset model: MC350D5
Standby power: 350KVA/280KW Prime power: 320KVA/256KW
Diesel engine: NTA855-G1B Alternator: Stamford, Leroy Somer,
Marathon, MECC Controller: Deepsea, ComAp, Smartgen Cylinder:
6 Cylinders IN-LINE type Displacement: 14L Engine
modelNTA855-G1B Describe:
4 cycle, in-line, 6 cylinder, turbocharged, water -air after
-cooler.Cylinder block: High quality alloy cast iron for the
rigidity performance and good stability. Wet and replaceable
cylinder liners for better heat rejection performance.Head and
valve: 4 valves/cylinder/head, optimize the mixed level for an
excellent fuel consumption rate and emission performance, high
quality alloy cast iron, single camshaft and special designed
outline for better reliability and durability.Crankshaft and rod:
Robust and fully balanced crankshaft design for a more steadily
rotation and higher strength. Steel piston crown with oil gallery
and aluminum skirts for better and low oil consumption.Fuel system:
Cumins unique PT with fixture and step timing control for precise
injection make the fuel injection pressure ≥120Mpa, which leads to
an excellent fuel consumption and emission performance, check valve
in fuel lines improve reliability.Lubrication system: Great flux
gear group, lube oil filter and by-pass oil filter can separate
impurity above 10um effectively. Keep lubrication system good state
and make the engine more reliability.Cooling system: Gear water
pump and great flux channel design provide effective cooling.
Spin-in water filter make the coolant clean and keep it in normal
acidity.Exhaust system: Advanced turbocharger and air-air after
cooler technology, pulse exhaust manifold reduce exhaust
temperature, provide excellent fuel consumption and emission
performance.Electrical system: 24V cranking motor, 35A battery
charger. EFC governor system provide a perfect instantaneous
response. ENGINE
BASIC DATA LUBRICANTION SYSTEM NO. of
Sylinder & type6 in line Pressure @ Idle
speed(kPa)103Air intake way Turbocharged Pressure @ Rated
speed(kPa)241-345Bore*Stroke(mm)140*152 Max.oil
temperature121Displacement (L)14 Lubrication system
capacity(L)38.6BMEP(kPa) 1623 Usage inclinng degree
permitted38ºCompression ratio14.0 : 1 FUEL
SYSTEM Rated speed(RPM)1500 Injection pump
modelDirect, PTRated power(KW)284KW (355KVA) Max.injector
return line (kPa)22Gross power(KW)321KW (402KVA) Max.fuel pump
supply (L/h)305Torque
(Nm) 1808 CONSUMPTION Low Idle
speed(rpm)575-650 110% (L/h)280KW /350KVA80.1Piston
speed(m/s)7.62 100% (L/h)256KW /320KVA71.4Engine water
flow(L/s)5 75% (L/h)192KW/240KVA54.3Air intake
flow(L/s)375 50% (L/h)128KW / 160KVA38.2Exhaust
flow(L/s)980 25% (L/h)64KW/80KVA22Exhaust temperature
(ºC)485 COOLING SYSTEM Air to fuel ratio26.1 :
1 Coolant capacity (L)60.6EXHAUST
SYSTEM Min.allowable pressure cap(kpa)48.2Max.back of
pressure (kPa)10 Max.raw water pressure at engine
outlet(kpa) Diameter of exhaust pipe (mm)127 103AIR
INTAKE SYSTEM Thermostat temperature (ºC)82-94Air
intake wayWater-air, after-cooled ELECTRIC
SYSTEM Max.air intake
resistance Battery 2*12V
With clean filter element (kPa)3.74 Cranking motor (V)24V
DC With dirty filter element
(kPa)6.22 Battery chargeing
system35A ALTERNATOR
SPECIFICATION Reliable
performance Voltage
regulation Frequency/Speed
undulation Voltage regulation maintained with in ±0.5%
as follow: 0-100% load, Frequency/Speed Droop Ratio
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