Cummins Onan Commercial Mobile SD 20 HDKDB 20kW Diesel Generator
TheCummins Onan Commercial Mobile SD 20 HDKDB 20kW Diesel Generatoris engineered to deliver dependable commercial-grade diesel power for demanding industrial, construction, municipal, telecommunications, rental fleet, utility, emergency response, agricultural, and commercial mobile applications. Built with Cummins Onan's proven commercial generator technology, the SD 20 HDKDB provides exceptional reliability, fuel efficiency, and continuous-duty performance for professionals who require dependable mobile power.
Producing20,000 running wattsat60 Hz, the Commercial Mobile SD 20 is available in both120/240V single-phaseand120/208V three-phaseconfigurations. This flexibility allows contractors, municipalities, rental companies, industrial facilities, and utility operators to select the electrical configuration best suited for their equipment and jobsite requirements.
Powered by a fuel-efficient commercial diesel engine, the SD 20 combines outstanding runtime with lower operating costs while delivering stable voltage through its heavy-duty commercial alternator. A pusher cooling fan provides dependable airflow to support continuous-duty operation even in demanding environments.
The rugged commercial enclosure is built to withstand harsh outdoor conditions while protecting internal components during transportation and operation. Whether supplying temporary power on construction sites, supporting emergency response operations, powering industrial equipment, or expanding a rental fleet, the Commercial Mobile SD 20 HDKDB delivers the performance professionals have trusted from Cummins Onan for decades.
As an authorized Cummins Onan dealer, All Pro Generators provides expert product support, competitive pricing, and free shipping throughout the continental United States.
Key Features
Commercial-grade Cummins Onan diesel generator
20,000 running watts
Available in single-phase and three-phase configurations
120/240V or 120/208V output options
Fuel-efficient commercial diesel engine
Heavy-duty commercial alternator
Pusher cooling fan
Designed for continuous-duty commercial operation
Stable voltage for sensitive commercial equipment
Excellent for construction, municipalities, industrial facilities, telecommunications, utilities, agriculture, and rental fleets
Legendary Cummins Onan reliability
Free shipping from All Pro Generators
Specifications
Manufacturer:Cummins Onan
Series:Commercial Mobile SD 20
Fuel Type:Diesel
Rated Output:20,000 Watts
Frequency:60 Hz
Cooling Fan:Pusher
Single Phase Model
Item Number:A066T979
Model:20HDKDB-01
Voltage:120/240V
Phase:Single Phase
Amperage:167 / 83 Amps
Three Phase Model
Item Number:A066T980
Model:20HDKDB-02
Voltage:120/208V
Phase:Three Phase
Amperage:167 / 83 Amps
Specifications
Running Wattage: 20,000 Watts (20 kW)
Frequency: 60 Hz
Phase Options: Single Phase or Three Phase
Fuel Type: Diesel
Engine: 36 HP Kubota Diesel
Dimensions (L × W × H): 57.2" × 25.7" × 28.2" (1453 × 653 × 717 mm)
Weight: 1,035 lbs (469 kg)
What's Included
Cummins Onan Commercial Mobile SD 20 HDKDB Generator
Commercial diesel engine
Heavy-duty alternator
Owner's manual
Manufacturer warranty
Frequently Asked Questions
What is the difference between the two models? Model 20HDKDB-01 provides 120/240V single-phase output while model 20HDKDB-02 provides 120/208V three-phase output. Both produce the same 20,000 watts.
Is this generator suitable for industrial applications? Yes. The Commercial Mobile SD 20 is designed specifically for industrial facilities, construction sites, municipalities, utility companies, telecommunications providers, rental fleets, and emergency response operations.
What type of fuel does this generator use? Both models utilize a commercial-duty diesel engine designed for long service life and excellent fuel economy.
Can this generator operate continuously? Yes. The Commercial Mobile SD Series is engineered for demanding continuous-duty commercial operation.
Why buy from All Pro Generators? As an authorized Cummins Onan dealer, All Pro Generators offers expert technical support, competitive pricing, and free shipping throughout the continental United States.