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Discount Switch Overspeed Manufacturer – Cummins QST30 Engine Assembly – Raptors

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Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of team building, attempting hard to boost the standard and liability consciousness of personnel customers. Our corporation successfully attained IS9001 Certification and European CE Certification of HOUSING FLYWHEEL , VALVE CHECK , GASKET INTAKE MANIFOLD , In case you are intrigued in almost any of our merchandise, remember to will not hesitate to make contact with us and take the initial step to create up a prosperous enterprise romance.
Discount Switch Overspeed Manufacturer – Cummins QST30 Engine Assembly – Raptors Detail:

QST30 Engine Specifications

Model Cummins QST30-C1050
Form 12-cylinder, water-cooled, V-shaped, four-stroke, electronic control
Cylinder diameter 140mm
Piston stroke 165mm
Displacement 30.5L
Compression ratio 15.7 :1
Rated power/speed 783KW/2100 r/min
Maximum torque 4630 N·m/1300 r/min
Idle speed 650 r/min
Total mass 3171kg

Cummins QST30-C1050 electric injection engine is a 12-cylinder, v-shaped Angle of 50 degrees, 4-stroke, water-cooled direct injection, supercharged intercooling engine, based on The Japanese Komatsu SA12V-140 engine, began manufacturing in 1988, widely used in mining dump trucks, loaders and bulldozers and other equipment. QST30 engine and other types of engine, by crank connecting rod mechanism, gas distribution mechanism, fuel supply system, lubrication system, cooling system and starting system.

Fuel injection system functions and advantages

1.Dual RP39 Bosch fuel pump
2.Engine Electronic Control System
3.Reduce fuel consumption, improve acceleration response and reduce smoke exhaust under various working conditions.
4.Cancel the mechanical throttle cable (electronic throttle)
5.Optimize engine performance characteristics
6.Provides the same control characteristics as the rest of the Quantum family

Features and advantages of cast iron pistons

1.Adopt the same design used by Komatsu
2.Higher cylinder pressure bearing capacity than aluminum pistons
3.The use cycle is greatly extended
4.Work closely with the cylinder liner to eliminate cavitation problems

Advantages of pre-lubrication system

1.Prevent errors in maintenance operations:Prevents starting the machine when there is no oil pressure, and won’t dry start.
2.Improve overhaul cycle and component life
3.Increased motor reliability and durability, reducing operating costs

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Discount Switch Overspeed Manufacturer –  Cummins QST30 Engine Assembly  – Raptors detail pictures

Discount Switch Overspeed Manufacturer –  Cummins QST30 Engine Assembly  – Raptors detail pictures

Discount Switch Overspeed Manufacturer –  Cummins QST30 Engine Assembly  – Raptors detail pictures

Discount Switch Overspeed Manufacturer –  Cummins QST30 Engine Assembly  – Raptors detail pictures

Discount Switch Overspeed Manufacturer –  Cummins QST30 Engine Assembly  – Raptors detail pictures

Discount Switch Overspeed Manufacturer –  Cummins QST30 Engine Assembly  – Raptors detail pictures


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"Control the standard by the details, show the power by quality". Our organization has strived to establish a highly efficient and stable employees team and explored an effective high-quality command method for Discount Switch Overspeed Manufacturer – Cummins QST30 Engine Assembly – Raptors , The product will supply to all over the world, such as: Barbados, London, Atlanta, We have a dedicated and aggressive sales team, and many branches, catering to our main customers. We are looking for long-term business partnerships, and ensure our suppliers that they will definitely benefit in both short and long run.
  • With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
    5 Stars By Roxanne from Indonesia - 2017.06.16 18:23
    The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
    5 Stars By Betty from Luxemburg - 2017.11.12 12:31
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