Used Cummins Dongfeng 6BTAA5.9-G2 120kW Diesel Generator – In Stock, Serviced & Tested
This listing is for a used Cummins Dongfeng 6BTAA5.9-G2 diesel generator set, delivering 120kW (150kVA) of reliable prime power . Powered by the renowned Cummins 6BTAA5.9-G2 engine, this unit represents the perfect balance of compact design, fuel efficiency, and dependable performance for medium-duty industrial applications. This generator is currently in stock and available for immediate dispatch .
Cummins Dongfeng – Proven Reliability
The Cummins 6BTAA5.9-G2 is part of the legendary B-series engine family, known globally for robust construction, exceptional durability, and ease of maintenance. With proper maintenance, these engines are known to achieve 15,000–20,000+ operating hours before major overhaul. This used unit offers the same proven Cummins reliability at a fraction of the cost of new equipment .
Engine Specifications
The Cummins 6BTAA5.9-G2 features a heavy-duty 6-cylinder in-line diesel engine with:
| Specification | Details |
|---|---|
| Engine Model | Cummins 6BTAA5.9-G2 |
| Configuration | 6 cylinders in line, 4-stroke diesel |
| Displacement | 5.9 liters |
| Bore × Stroke | 102 mm × 120 mm |
| Aspiration | Turbocharged & Air-to-Air Intercooled |
| Fuel System | BYC PB Pump / GAC Electronic Governor |
| Rated Power/Speed | 120 kW (161 HP) @ 1500 rpm |
| Standby Power | 130 kW (174 HP) @ 1500 rpm |
| Torque @ Rated Power | 764 N.m @ 1500 rpm |
| Fuel Consumption | 208 g/kW.h at rated power |
| Governing Rate | 1% – 5% |
| Emission Level | Stage II / Tier II |
| Cooling System | Water-cooled |
| Coolant Capacity | 9.9 liters |
| Electrical System | 12V/24V starter motor/alternator |
| Lowest Starting Temp | -12°C without auxiliary system |
| Dry Weight | Approx. 411 kg (engine only) |
Generator Set Specifications
| Specification | Details |
|---|---|
| Model | Cummins Dongfeng 6BTAA5.9-G2 |
| Prime Power | 120 kW (150 kVA) continuous |
| Standby Power | Approx. 132 kW (165 kVA) |
| Engine | Cummins 6BTAA5.9-G2, 6-cylinder turbo diesel |
| Alternator | Brushless, with Automatic Voltage Regulator (AVR) – typically ENGGA brand |
| Frequency | 50 Hz / 60 Hz selectable |
| Voltage | 400V / 230V (3-phase, 4-wire) – configurable |
| Rated Current | Approx. 216 A (at 400V) |
| Control Panel | Computer intelligent control panel |
| Cooling System | Heavy-duty radiator with fan |
| Fuel Tank | Integrated base tank |
| Starting System | Electric start with batteries |
| Enclosure | Silent canopy available (sound-attenuated, weatherproof) |
Condition & Testing
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Condition: Used, approximately 8 years old or newer depending on specific unit – typically 7–8 out of 10 condition grade
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Stock Status: In stock – available for immediate dispatch
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Usage Hours: Available units range from 380 to 950 hours of operation – never overhauled or repaired
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Service History: Oil and filter changed, coolant and fuel levels checked, air filter inspected/replaced
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Load Test: Unit has been load bank tested and operates smoothly at rated output
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Inspection: Available for viewing by appointment
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Warranty: Basic warranty included (inquire for details)
Key Features
Cummins Engine Advantages:
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Proven B-series reliability – Over 3 million B-series engines produced worldwide
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Excellent fuel efficiency – 208 g/kW.h fuel consumption at rated power
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Easy maintenance – Service points designed for quick access
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Turbocharged performance – Excellent power density and altitude capability
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Electronic governor option – Precise speed control for stable frequency output
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Cold start capability – Reliable starting down to -12°C without aids
Generator Features:
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Quiet operation – Silent canopy models achieve noise levels below 80 dB(A)
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Weatherproof enclosure – Protects against dust and rain for outdoor use
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Computer control panel – Digital display of voltage, frequency, current, and hours
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Protection system – Automatic shutdown on low oil pressure, high coolant temperature, and overload
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Compact footprint – Ideal for space-constrained installations
Why Choose a Pre-Owned Cummins Dongfeng Generator?
The Cummins B-series engine is one of the most successful diesel engine designs in history, with millions of units operating worldwide. The Dongfeng Cummins joint venture brings this proven technology to the Chinese market with excellent local support and parts availability. Key advantages include:
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Global reliability – Proven design with millions of hours of field operation
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Parts availability – Extensive network of Cummins dealers and parts suppliers
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Fuel efficiency – Low operating costs compared to older mechanical engines
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Compact size – Fits where larger engines cannot
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Strong resale value – Cummins equipment maintains value well
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Versatile applications – Suitable for prime power or standby use
Typical Applications
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Commercial buildings: Office blocks, shops, restaurants backup power
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Construction sites: Power for tools, lighting, site offices
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Small manufacturing: Workshops, small factories, processing equipment
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Agriculture: Farms, irrigation pumps, grain drying
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Healthcare: Small clinics and medical facilities backup
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Telecommunications: Tower and exchange backup power
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Events: Outdoor events, weddings, festivals
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Residential: Large homes, apartment complexes backup
What’s Included
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Cummins Dongfeng 6BTAA5.9-G2 diesel generator unit
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Control panel with instrumentation
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Base frame with anti-vibration mounts and integrated fuel tank
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Exhaust silencer and flexible connection
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Operator’s manual and maintenance records (where available)
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Basic tool kit (where available)
Options Available (please inquire)
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Sound-attenuated canopy – Weatherproof, low-noise enclosure
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Trailer mounting – Road-legal trailer for mobility
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Automatic Transfer Switch (ATS) – For automatic backup power
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Remote monitoring – Web-based monitoring and control
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Extended warranty – Optional coverage beyond standard
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Installation & commissioning – Professional setup services
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Additional fuel tank – For extended runtime requirements
Why Buy from Us?
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Immediate Availability: In stock – ready for dispatch
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Inspection Welcome: View the unit in person or request detailed photos/videos
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Professionally Serviced: Fully checked and serviced by experienced diesel technicians
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Low Hours: Units available with as little as 380 operating hours
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Load Tested: Verified performance at rated output
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Competitive Pricing: Significant savings compared to new equipment
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Technical Support: Our team can assist with installation and operation questions
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Shipping: We can arrange delivery worldwide









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