Cummins INDUSTRIAL ENGINES

In Production

Cummins QSB7-G5

QSB7

Cummins QSB7-G5 6.7L 6-cylinder diesel engine for generator sets. 200 kWe prime / 250 kWe standby at 60Hz. EPA Tier 3. Turbocharged, Intercooled.

Cummins QSB7-G5|MID-RANGE CLASSIFICATION
GENSET ARCHITECTURE: L66.7 L
HEAVY-DUTY GENSET INTEGRATION PLATFORM
POWER CLASSIFICATION250 kVA
ELECTRICAL OUTPUT200 kWe
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING

Standby Power

250 kVA

Electrical Output

200 kWe

Cylinders / Config

L6

Displacement

6.7 L

Rated Speed

1,500 RPM

ISO 8528 Power Ratings

Power Factor: 0.8 pf

kWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.

50 Hz Grid Frequency1500 RPM
Operating DutykWm (Mechanical)kWe (Electrical)kVA (Rating)
Prime177.8160200
Standby195.6176220
60 Hz Grid Frequency1800 RPM
Operating DutykWm (Mechanical)kWe (Electrical)kVA (Rating)
Prime200180225
Standby222.2200250

Mechanical & Electrical Specifications

BrandCummins
ModelQSB7-G5
SeriesQSB7
ConfigurationL6
Cylinders6
Displacement6.7 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 3
Country of OriginUnited States

Frequently Asked Questions

What is the power output of the Cummins QSB7-G5?

The Cummins QSB7-G5 is rated at 220 kVA standby / 200 kVA prime at 50 Hz (1,500 rpm); and 250 kVA standby / 225 kVA prime at 60 Hz (1,800 rpm).

Does the QSB7-G5 run at 50 Hz or 60 Hz?

The Cummins QSB7-G5 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins QSB7-G5 use?

The Cummins QSB7-G5 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the QSB7-G5?

The Cummins QSB7-G5 is an inline-6 (6-cylinder) engine with a displacement of 6.7 L.

What emissions standard does the QSB7-G5 meet?

The Cummins QSB7-G5 is certified to U.S. EPA Tier 3 emissions standards.

Is the Cummins QSB7-G5 still in production?

Yes — the Cummins QSB7-G5 is a current production model.

Is a datasheet available for the QSB7-G5?

Yes — an official Cummins datasheet for the Cummins QSB7-G5 can be downloaded from this page.

Sibling & Competing Engine Models