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Cummins QSK19-C760 Engine for BELAZ 7555F

  • Engine Model: QSK19-C760
  • Rating Type: Continuous
  • Rated Engine Power: 760 BHP
  • Rated Engine Speed: 2100rpm
  • Peak Engine Torque@ 1500 rpm: 1513 lb. H ft. / 2052 NHm
  • Cylinders: 6
  • Aspiration: Turbocharged & Aftercooled
  • Compression Ratio: 15.5:1
  • Piston Speed: 1870 ft/min / 9.5 m/sec
  • Displacement: 19L
  • Bore*Stroke: 159*159mm

Cummins KTA19 Features and Benefits

 

■ Cylinder Block

High-quality alloy cast iron for the rigidity performance and lower vibration and noise. Wet and replaceable cylinder liners for better heat rejection performance and easier replacement.

■ Head and Valve

4 valves per cylinder, Optimize the mixed level which lead to an excellent fuel consumption rate and emission performance. High-quality alloy cast iron, one cylinder on head, single camshaft and special designed outline for better reliability and durability.

■ Fuel System

Cummins’ unique PT with a fixture and step timing control for precise fuel injection makes the fuel injection pressure above 120Mpa, which leads to an excellent fuel consumption rate and emission performance. Check valve in fuel tube improve reliability.

■ Cooling System

The great water pump and great flux channel design provide effective cooling. A spin-in water filter makes the coolant clean and keeps it in normal acidity.

■ Exhaust System (After-cooled)

Advanced Holset turbocharger and water-air aftercooler technology and pulse exhaust manifolds reduce exhaust temperature and provide excellent fuel consumption and emission performance.

 

Technical Specification

 

Engine ModelQSK19-C760Fuel Consumption at Rated Speed24 gal/hr / 90 l/hr
Rating TypeContinuousApproximate Fuel Flow to Pump71 gal/hr / 270 l/hr
Rated Engine Power760 BHPIntake Manifold Pressure36 in. Hg  / 122 kPa
Rated Engine Speed2100 rpmIntake Air Flow1101 cfm / 520 l/sec
Peak Engine Torque @ 1500 rpm1513 lb ft / 2052 NHmHeat Rejection to Ambient2618 BTU/min / 46 kW
Cylinders6Size-Engine Only2000*1500*1900mm
AspirationTurbocharged & AftercooledWeight (Dry) – Engine Only1725kg
Compression Ratio15.5:1Minimum Idle Speed Setting650-700rpm
Piston Speed1870 ft/min  / 9.5 m/secNormal Idle Speed Variation±25rpm
Displacement19LHigh Idle Speed Range Minimum1962rpm
Bore*Stroke159*159mmHigh Idle Speed Range Maximum2106rpm
Fuel SystemElectronic InjectionStandard Thermostat Operating
Range (Start to Open – Full Open)
82°C-94°C

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