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China Bearing Thrust Manufacturers – Cummins QST30 Engine Assembly – Raptors

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China Bearing Thrust Manufacturers – 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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China Bearing Thrust Manufacturers –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Bearing Thrust Manufacturers –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Bearing Thrust Manufacturers –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Bearing Thrust Manufacturers –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Bearing Thrust Manufacturers –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Bearing Thrust Manufacturers –  Cummins QST30 Engine Assembly  – Raptors detail pictures


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Sticking to the principle of "Super Quality, Satisfactory service" ,We are striving to be a good business partner of you for China Bearing Thrust Manufacturers – Cummins QST30 Engine Assembly – Raptors , The product will supply to all over the world, such as: Barcelona, Poland, Portugal, We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.
  • Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Pandora from Naples - 2018.06.18 19:26
    The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By April from Karachi - 2018.07.12 12:19
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