Cummins C12D6RE 12kW Mobile Generator | 120/240V Single-Phase | Liquid-Cooled | U.S Tier 4 Final Certified
Found a lower price?
Send us a request and we’ll beat it today — guaranteed!
Send us a request and we’ll beat it today — guaranteed!

Introducing the Cummins C12D6RE 12kW Mobile Generator, a cutting-edge solution designed to ensure that your industrial, construction, or commercial project runs smoothly without interruption.
This unit is certified U.S Tier 4 , so it can be used for prime power. It is designed to meet your industrial power needs but also exceeds expectations with its user-friendly features. With a 26 gallon tank, the C12D6RE is prime .88 gal/hr at ¾ load, allowing it to generate massive power for up to 30 hours.
The Cummins C12D6RE is a fully integrated mobile power generation system, providing optimum performance, reliability, and versatility for many applications including construction, industrial and commercial.
Designed with rugged versatility in mind, the Cummins C12D6RE 12kW Mobile Generator stands ready to deliver reliable energy in a range of environments and conditions. Whether you’re operating in extreme temperatures or facing challenging atmospheric conditions, this generator offers the dependability you need to keep your business running.
The Cummins C12D6RE delivers a standby output of 12kW at 60 Hz. Its heavy-duty, liquid-cooled diesel engine ensures peak performance, making it suitable for various applications, from construction to events.
This generator meets stringent EPA Tier IV Final emissions standards. By complying with these regulations, the Cummins C12D6RE significantly reduces environmental impact while providing reliable power, allowing you to operate with a clear conscience and minimal pollution.
With a noise output of just 62 dB(A) at 20 feet, the Cummins C12D6RE operates quietly. Its unique sound-controlled housing encloses the cooling system and muffler, making it ideal for use in residential neighborhoods and urban job sites.
Designed to work in extreme temperatures, the Cummins C12D6RE functions reliably in conditions ranging from -20°F (-29°C) to 120°F (49°C). This robust construction ensures that you can rely on it in challenging weather and environmental conditions.
The generator features a single-side service door for easy access to maintenance points. This design simplifies serviceability, allowing for quick inspections and upkeep, and maximizing your generator's uptime, ensuring it runs smoothly when you need it.
The Cummins C12D6RE includes multiple receptacles, including 120V/240V options. With convenience receptacles for quick hookups and a 26-gallon aluminum fuel tank, it allows for fast connections to tools and lighting equipment, enhancing usability on job sites.
| Engine model | Kubota D1503-M |
| Tier rating | Tier IV |
| Design | 4-cycle, liquid-cooled diesel engine |
| Bore | 83 mm (3.27 in.) |
| Stroke | 92.4 mm (3.64 in.) |
| Displacement | 1499 cc (91.44 in3) |
| Cylinder block | In-Line 4 cylinder |
| Battery capacity | 650 CCA |
| Battery charging alternator | 15 amps |
| Starting voltage | 12 volt, negative ground |
| Fuel system | Indirect injection |
| Fuel filter | Dual Spin on fuel filter with water separator |
| Air cleaner type | 2-stage, dry replaceable element with dust ejector |
| Lube oil filter type(s) | Single spin-on, full flow |
| Standard cooling system | 85 °F (25 °C) ambient radiator |
Alternator specifications |
|
| Design | Brush type, 4 pole, drip proof, revolving field |
| Insulation system | Class H per NEMA MG1-1.66 |
| Standard temperature rise | 120°C |
| Exciter type | Electronic voltage regulator |
| Alternator cooling | Direct drive centrifugal blower fan |
| Model voltage | 120/240 |
| 120 V duplex receptacles | GFCI up to 20A,1 pole 20A Breaker |
| 240 V twist | GFCI 50A, 2 pole 50A Breaker |