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Cummins QSB5.9 Generator Drive Engine

Power:

G30: 116 kW/ 155 hp; G31:132 kW/ 177 hp; G33:159 kW/ 213 hp

Rating Type

Prime Power

Type:

6 Cylinders in Line, 4-cycle Stroke Diesel

Application:

G-Drived Engine

Packing Size:

Weight:

HS Code:

840890

Technical Specification of Cummins QSB5.9 Generator Drive Engine

Engine Model

Cummins QSB5.9

Fuel System

Type

6 Cylinders in Line, 4-cycle Stroke Diesel

Aspiration

Turbocharged & Air-to-Air Cooled

Prime Power @50hz

Prime Power @60hz

Standby Power @50hz

Standby Power @60hz

Fuel Consumption @50hz

Fuel Consumption @60hz

Bore

102 mm

Stroke

120 mm

Displacement

5.9L

Compression Ratio

17.3:1

Dry Weight

406kg

Emission

General Information of Cummins QSB5.9 Generator Drive Engine

Product Description

The Cummins QSB5.9 Generator Drive Engines (models G30, G31, G33) are world-class diesel-powered engines specifically engineered for generator sets. Built with electronic high-pressure common-rail fuel systems, turbocharging, and air-to-air intercooling, these engines deliver superior fuel efficiency, high reliability, and consistent power output.

Designed for global power generation requirements, the QSB5.9 series meets stringent emission standards while providing flexibility across standby, prime, and continuous duty applications. Backed by Cummins’ global service network, these engines are the trusted choice for diesel generators, commercial backup systems, and industrial power solutions.

Cummins QSB5.9 Generator Drive Engines (G30 / G31 / G33)

Parameter Cummins QSB5.9-G30 Cummins QSB5.9-G31 Cummins QSB5.9-G33
Displacement 5.9 L 5.9 L 5.9 L
Cylinders / Cycle 6 / 4-Cycle 6 / 4-Cycle 6 / 4-Cycle
Aspiration Turbocharged & Air-to-Air Cooled Turbocharged & Air-to-Air Cooled Turbocharged & Air-to-Air Cooled
Bore × Stroke 102 × 120 mm 102 × 120 mm 102 × 120 mm
Compression Ratio 17.3:1 17.3:1 17.3:1
Standby Power (1500 rpm) 128 kW / 171 hp 145 kW / 194 hp 175 kW / 234 hp
Prime Power (1500 rpm) 116 kW / 155 hp 132 kW / 177 hp 159 kW / 213 hp
Continuous Power (1500 rpm) 81 kW / 108 hp 92 kW / 123 hp 111 kW / 149 hp
Fuel Consumption @100% Load (1500 rpm) Standby: 30.7 L/h
Prime: 27.7 L/h
Standby: 34.7 L/h
Prime: 31.5 L/h
Standby: 41.9 L/h
Prime: 37.9 L/h
Wet Weight 406 kg 406 kg 406 kg
Engine Dimensions (L×W×H) 1024 × 793 × 934 mm 1024 × 793 × 934 mm 1024 × 793 × 934 mm
Power Unit Dimensions (L×W×H) 1596 × 945 × 1235 mm 1596 × 945 × 1235 mm 1596 × 945 × 1235 mm
Cooling System Capacity 7.2 L 7.2 L 7.2 L
Oil Capacity 16.4 L 16.4 L 16.4 L
Starting System 24V DC, 750 CCA battery 24V DC, 750 CCA battery 24V DC, 750 CCA battery
Cold Start Limit 0 °C / -35 °C (with heater) 0 °C / -35 °C (with heater) 0 °C / -35 °C (with heater)
Emission Compliance GB 20891-2007 GB 20891-2007 GB 20891-2007

Product Advantages

  • Fuel Efficiency: Optimized combustion through advanced common-rail injection technology.
  • High Reliability: Proven Cummins engineering with durable components designed for continuous duty.
  • Compact Design: Lightweight yet powerful, suitable for a wide range of generator set sizes.
  • Global Compliance: Meets international emissions standards (e.g., GB 20891-2007).
  • Ease of Maintenance: Simplified service points and extended maintenance intervals.
  • Strong Performance: Stable output even in high-altitude and high-temperature environments.


Key Features

  • Inline 6-cylinder, 4-stroke design with 17.3:1 compression ratio.
  • Advanced turbocharging & air-to-air intercooling system for maximum performance.
  • Designed for prime, standby, and continuous power generation.
  • Wide power range (116–175 kW) to match different generator set requirements.
  • Backed by Cummins global service network and spare parts availability.


Applications

  • Diesel Generator Sets for commercial, industrial, and residential backup.
  • Standby Power Systems for hospitals, data centers, and critical facilities.
  • Prime Power Supply for construction sites, mining operations, and remote locations.
  • Continuous Power for manufacturing plants and utility support.
  • Compatible with Cummins generator sets and OEM partner gensets worldwide.


Product Availability

The Cummins QSB5.9 Series (G30, G31, G33) is available for immediate integration into diesel-powered generators and OEM generator sets. Genuine Cummins engines and spare parts are supplied with full technical support to ensure long-term performance and reliability.

Download of Cummins QSB5.9 Generator Drive Engine Datasheet

Model

Datasheet

Drawing

Service Manual

Cummins QSB5.9

Download

Download

Download

Model

Cummins QSB5.9

Power

Emission

Datasheet

Download

Drawing

Download

Service Manual

Download

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