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China Manifold Exhaust – Cummins QST30 Engine Assembly – Raptors

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China Manifold Exhaust – 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 Manifold Exhaust –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Manifold Exhaust –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Manifold Exhaust –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Manifold Exhaust –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Manifold Exhaust –  Cummins QST30 Engine Assembly  – Raptors detail pictures

China Manifold Exhaust –  Cummins QST30 Engine Assembly  – Raptors detail pictures


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Good quality To start with,and Purchaser Supreme is our guideline to offer the top service to our customers.Presently, we've been seeking our best to be amongst the top exporters inside our industry to fulfill consumers extra need to have for China Manifold Exhaust – Cummins QST30 Engine Assembly – Raptors , The product will supply to all over the world, such as: Estonia, Ecuador, Anguilla, Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We have tightened inspection for quality of product.
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    5 Stars By Maggie from Cancun - 2017.10.25 15:53
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    5 Stars By Marcia from Kenya - 2018.12.05 13:53
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