Generator Engines · QSK50

Cummins QSK50 Generator Diesel Engine 1580kW Generator Engine Assembly

Name: Cummins QSK50 Generator Diesel Engine 1580kW Generator Engine Assembly
Brand: Cummins
SKU: QSK50-G7
Availability: InStock

16-cylinder diesel engine for prime and standby generator sets, supplied as the Cummins QSK50-G7 at 1421 kW from 50.3 L.

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Cummins QSK50 Generator Diesel Engine 1580kW Generator Engine Assembly

Cummins QSK50 Generator Diesel Engine 1580kW Generator Engine Assembly complete engine assembly

Cummins QSK50 Generator Diesel Engine 1580kW Generator Engine Assembly shown from another angle

Overview

What This Engine Is Built For

MEP Power supplies the Cummins QSK50-G7 as a complete 16-cylinder generator drive diesel engine of 50.3 L running a 159 * 159 mm bore and stroke. It is rated at 1421 kW. The engine is turbocharged, after-cooled, with a Cummins Direct Injection MCRS fuel system. It is built at the Chongqing Cummins Plant. Typical duty is prime and standby generator sets; dry weight with flywheel and alternator is 7492 Kg and the overall envelope is 4674mm*2468mm*3100mm.

ModelQSK50-G7

Rated power1421 kW @ 1500 rpm

Displacement50.3 L

AspirationTurbocharged, After-cooled

Net weight7492 Kg

Key Benefits

Delivers 1421 kW from 50.3 L as a factory-rated assembly.
Turbocharged, After-cooled induction keeps charge temperature under control in continuous duty.
Dry weight 7492 Kg and envelope 4674mm*2468mm*3100mm are published so the installation can be checked before ordering.
Published fuel consumption of 92.0 g/kWh @ 1500 rpm makes running cost predictable.
Backed by a written warranty of one year or 1000 hours, whichever comes first
Genuine and OEM options quoted side by side so the budget decides, not the catalogue

Application Scenarios

Prime mover for a new generator set build
Standby set engine replacement
Rental power fleet rebuild
Containerised power module

Who It Is For

Genset packagers matching an engine to an alternator
Rental power companies rebuilding sets between contracts
Industrial sites replacing the prime mover in an existing canopy
Telecom and data infrastructure contractors specifying standby power

Problems It Solves

An engine that does not hold speed under block load makes the whole set unusable.
Packagers lose weeks when the engine does not match the alternator and the base frame.
Standby sets sit idle for months and must still start and take load on demand.
Identifying the right QSK50-G7 variant from a serial number takes experience; MEP Power checks the configuration before quoting.

Technical data

Specification As Published

Values below are the published data for this unit. Where a figure is not listed it was not stated by the source data sheet; ask and we will confirm before you order.

Model	QSK50-G7
Type	16 Cylinders
Displacement	50.3 L
Bore x Stroke	159 * 159
Net Weight	7492 Kg
Overall Dimension	4674mm2468mm3100mm
Manufacturing Plant	Chongqing Cummins Plant
Rated Power/Speed	1421 kW @ 1500 rpm
Standby Output/Speed	1581 kW @ 1500 rpm
Low Idle Speed	700-800 rpm
Fuel Consumption	92.0 g/kWh @ 1500 rpm
Aspiration	Turbocharged, After-cooled
Fuel System	Cummins Direct Injection MCRS
Electrical System (starter motor/alternator)	24V Cooling System Design: 2 pump- 2 loop

Technical Features

Cylinders: 16 Cylinders
Displacement: 50.3 L
Bore and stroke: 159 * 159
Aspiration: Turbocharged, After-cooled
Fuel system: Cummins Direct Injection MCRS
Electrical system: 24V Cooling System Design: 2 pump- 2 loop

Quality Control

Every engine is inspected by the MEP Power inspection team before it leaves the warehouse
Engine, configuration and serial numbers are recorded and photographed for the buyer
Genuine and OEM units are quoted separately so the buyer knows exactly what is supplied
Warranty on genuine and OEM new engines and generator sets is one year or 1000 hours, whichever comes first; parts and repair labour are covered for quality faults inside that period.

Use and Installation Guide

Quote the model QSK50-G7 when ordering so the correct variant is supplied.
Match the flywheel and SAE housing to the alternator before assembly
Set the governor to the frequency required, 50 Hz or 60 Hz
Run a load bank test before the set goes into service
Keep the warranty terms in mind: one year or 1000 hours, whichever comes first.

Customisation Options

OEM and ODM builds, including your logo and company name on the unit
Cummins engine customisation and modification to your requirement
Mining and special explosion-proof builds
Genuine or OEM parts specified on the quotation

How It Compares

Compared with	What to consider
A rebuilt or used engine of the same rating	A rebuilt unit may show the same 1421 kW on paper, but its running history is unknown and the warranty rarely covers the whole engine.
A larger engine in the same QSK50 range	Moving up a frame size adds weight, envelope and fuel burn; specify the next size up only if the duty cycle really needs the headroom.
A non-Cummins engine of similar output	Parts and service for Cummins families are available in most markets, which matters more over ten years than the purchase price on day one.

Questions

QSK50-G7 Questions

Is this QSK50-G7 a genuine Cummins engine

MEP Power supplies 100% genuine Cummins engines, generator sets and engine parts, plus OEM units and customised builds. Tell us which you need and the quotation will state clearly whether the unit offered is genuine, OEM or a customised build.

What power does the QSK50-G7 produce

The rating supplied is 1421 kW.

What warranty comes with the engine

New genuine and OEM engines and generator sets carry one year or 1000 hours, whichever comes first. Inside that period MEP Power supplies replacement parts free of charge and covers the cost of the engine repair for quality faults.

How do I confirm this is the right variant for my machine

Send the engine serial number or the nameplate photograph of the unit being replaced. MEP Power checks it against the QSK50-G7 configuration before quoting.

How is the engine shipped and what payment terms apply

Shipment is by sea, air or express depending on size and urgency, arranged by MEP Power or by your own forwarder. Payment terms are Alipay, WeChat, T/T or L/C.