Cummins XCEC QSM11 excavator diesel engine R520LC-9S

Application: Constructions, Mining Dump Truck(TEREX TR35A, BELAZ 7540K), Liugong excavator 948E 950E, Truck Engine
Specifications for Cummins Engine QSM11 for Excavator R520LC-9S
Engine Model QSM11 Rated Power 400HP Aspiration Turbo.
Rated Speed 1800/2000/2200RPM Peak Torque 2000 Manufacture XCEC
Displacement 10.8L Stroke 125x147mm Code Style ECM
Fuel Diesel Package Wooden case Weight 1100KG
Length 14500mm Width 1150mm Height 1350mm

Main Features

The QSM Quantum System provides superior fuel economy with strong engine performance, engine protection and other programmable features. Components include:
Holset HX55 Wastegated Turbo – Designed for optimum boost, it improves throttle response across operating range.
CELECT™ Electronic Engine Management – Provides superior performance, fuel efficiency, diagnostics and prognostics using full-authority electronics. Its programmable features let you customize engine performance to equipment use.
High-Capacity ECM – New space-efficient Electronic Control Module packs ten times more memory and ten times more processing power.
Sealed Sensors – Fully sealed to resist water intrusion. Combined temperature and pressure sensors reduce inventory and simplify maintenance with increased reliability.
Advanced Combustion Technology – Optimized injector tips and a reshaped steel piston bowl improve fuel economy and emissions control with longer oil change intervals.
Articulated Pistons – Steel-topped pistons handle higher cylinder temperatures for improved fuel efficiency and emissions control.
The Auto-Tensioning Belt Drive – Self-adjusting for optimum tension, which increases fan, alternator and fan belt life.
Improved Camshaft Durability – Exhaust valve lobes are designed to improve wear tolerance. The injector lobe profile has been revised to optimize injection.

Packing & Delivery

1. Cummins or CCEC packing
2. Neutral packing
3. According to customer’s request

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