Cummins Onan Commercial Mobile SD 20 HDKDB 20kW Diesel Generator | Single & Three Phase | 60Hz

Cummins Onan Commercial Mobile SD 20 HDKDB 20kW Diesel Generator

The Cummins Onan Commercial Mobile SD 20 HDKDB 20kW Diesel Generator is 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.

Producing 20,000 running watts at 60 Hz, the Commercial Mobile SD 20 is available in both 120/240V single-phase and 120/208V three-phase configurations. 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

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.