Used Cummins 750 kW Diesel Generator – DQFAA, Tier 2, 480V Capable, UL2085 Tank, Passed Load Test
Overview
Description
Used 750 kW standby (680 kW prime) Cummins diesel generator set, model DQFAA, SN-H070098040. Cummins QST30-G5 engine rated 1490 HP at 1800 RPM, SN-37229540, EPA Tier 2 emissions. 3/60/120/208V, 12 lead reconnectable to 480V and other voltages. 2500 Amp 100% rated main-line circuit breaker. PMG permanent magnet generator. Oversized 1040 kW rated generator end. Engine cooling radiator rated 50C/122F ambient. UL 2200 listed stationary engine-generator-assembly. PowerCommand 2100 digital control panel. EnerGenius battery charger 10 amp 120/208/240V. Coolant heater 208/240/480V. Aluminum sound attenuated enclosure. 3600 gallon UL2085 sub-base fuel tank, with secondary containment. 792 Hours. Year 2007. Overall dimensions 113W x 341L x 165H, 60,000 lbs. (storage trailer in photo not included) Passed load test 2/11/2025.
Specifications
Used Equipment Facts About This Machine
🏭 Manufacturer
Cummins Inc.
A globally trusted name in diesel and gas generator technology, Cummins provides reliable and durable power solutions for critical and industrial applications.
📝 Description
This used Cummins DQFAA diesel generator set, serial number H070098040, delivers 750 kW standby and 680 kW prime power. It’s powered by the Cummins QST30-G5 engine (SN: 37229540), rated at 1490 HP at 1800 RPM and EPA Tier 2 emissions compliant.
This system includes a PMG (Permanent Magnet Generator), an oversized generator end rated at 1040 kW, and a 12-lead reconnectable alternator, supporting 480V and other voltage configurations. The PowerCommand 2100 digital control panel, EnerGenius 10A battery charger, and 208/240/480V coolant heater ensure reliable operation.
The generator is mounted in an aluminum sound-attenuated enclosure and paired with a 3600-gallon UL2085 listed sub-base fuel tank with secondary containment. The radiator is rated for 50°C (122°F) ambient conditions. It has 792 total hours, was manufactured in 2007, and passed load testing on 2/11/2025, confirming operational integrity.
⚙️ Specifications
Model: DQFAA
Serial Number: H070098040
Year: 2007
Hours: 792
Standby Rating: 750 kW
Prime Rating: 680 kW
Engine: Cummins QST30-G5
Engine Power: 1490 HP @ 1800 RPM
Voltage: 120/208V, 3-phase, 60 Hz
Voltage Config: 12-lead reconnectable to 480V and other voltages
Emissions: EPA Tier 2 compliant
Circuit Breaker: 2500 Amp, 100% rated
Generator End: Oversized, rated 1040 kW
Generator Type: PMG – Permanent Magnet Generator
Cooling System: Radiator rated 50°C / 122°F ambient
Control Panel: Cummins PowerCommand 2100
Battery Charger: EnerGenius, 10 Amp (120/208/240V)
Coolant Heater: 208/240/480V
Enclosure: Aluminum sound attenuated
Fuel Tank:
Capacity: 3600 gallons
UL2085 listed with secondary containment
Compliance: UL 2200 listed engine-generator-assembly
Load Test: Passed 2/11/2025
Dimensions: 113" W × 341" L × 165" H
Weight: 60,000 lbs
Note: Storage trailer shown in photo not included
🧩 Applications
Ideal for:
Hospitals, clinics, and medical centers
Commercial and institutional buildings
Industrial and manufacturing facilities
Water and wastewater treatment plants
Emergency services and backup systems
Municipal and government operations
Agricultural processing and storage
Telecom and IT infrastructure
Construction site power supply
Utility support and power redundancy
🔧 What Might This Be Used For?
Providing reliable standby or prime power in mid-to-large facilities
Powering operations in high ambient temperature zones (50°C rated)
Supporting critical infrastructure with sound-attenuated, UL-compliant design
Running multiple load scenarios with reconnectable voltage flexibility
Operating in safety-sensitive environments with UL2085 fuel containment
Offering peace of mind with passed load testing and recent inspection
Reducing downtime in power-critical sectors with high-capacity fuel storage
Integration into existing systems with 2500A circuit breaker
Medium-scale energy backup for commercial real estate
Prime power for off-grid or remote operations
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