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Cummins Onan 12.5 HDKCB-11506 Diesel Generator, RV QD 12500 – Quiet, Diesel Generator, Onan RV Diesel Generator

Model: 12.5HDKCB-11506 Generator  |  Item Number: 12.5HDKCB11506
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Reg. Price: $15,000.00 $14,615.00

Estimated Ship Date for New Orders: 3/4/2024

Features for the Onan 12.5HDKCB-11506 Generator

Diesel Fueled.

Dramatically Lower Noise and Harshness (NVH) Than Other RV Diesel Sets (Up To 15 dBA Quieter).

1800 RPM.

Integrated, Enclosed Muffler.

High Quality, Pure Sine Wave Electrical Output Helps Prevent Damage to Appliances.

Convenient Top Mounted Switches, Oil and Coolant Level Check/ Fill.

Service And Maintenance Point Accessible from Below.

Self-diagnostic capabilities simplify troubleshooting.

Three-point, fully focalized internal mounting system reduces vibration.

Quiet diesel generator rv.

Computer-controlled constant speed operation - quiet diesel performance for larger RVs.

Runs two or three rooftop air conditioners with power to spare.


WATTS: 12,500

AMPS: 104.2/52.1

VOLTS: 120/240


FUEL: Diesel      

BREAKERS: 50 A, 2-pole

Sound Level: 68 dB(A) (readings at 10ft (3m) half load)

Weight: 770 lbs.

Dimensions (L x W x H Inches): 41.4 x 24.5 x 27

This product may contain chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. For more information, go to

Technical Specs for the Onan 12.5HDKCB-11506 Generator*

* These Technical Specs are provided by the manufacturer at the beginning of the model year. Please be aware that the manufacturer may decide to change these specs at any given time without notice.

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