icon Skip to content
Financing Available

Option to split your payments over time

Great Discounts

Your favorite products on sale

Expert Assistance

Need help? Give us a call at +1 888 575-2099

Quality Assurance

Manufacturer's warranty on most items

Cummins Onan QD 12500 12.5kW RV Generator 12.5HDKCB11506 RV Diesel Single Phase 120 Volt Liquid Cooled New

by Cummins
SKU A055E844
Save 10% Save 10%
Original price $14,615.00
Original price $14,615.00 - Original price $14,615.00
Original price $14,615.00
Current price $13,153.99
$13,153.99 - $13,153.99
Current price $13,153.99


  • PEOPLE are also watching that product.

Cummins Onan QD 12500 12.5kW RV Generator 12.5HDKCB11506 RV Diesel Single Phase 120 Volt Liquid Cooled New

The Cummins Onan 12.5HDKCB exceeds National Park Service sound level requirements (60 dB(A) @ 50 ft) for use in national parks. The 12.5HDKCB is capable of running three air conditioners with power to spare. With its high quality, pure sine wave electrical output. This generator helps prevent damage to appliances. Cummins backs this generator with a standard 3 year limited warranty.


  • 12.5 kW Diesel Powered RV Generator (Model 11506)
  • Designed for Type A RVs w/ 3 AC units (50A 2-Pole Breaker)
  • Runs 3 15,000 BTU AC units w/ 5000 additional watts available
  • Cummins Onan 1499cc Liquid-Cooled Diesel Engine
  • Automatic timed glow plugs for quick & easy starting
  • Elec. fuel pump w/ full oil & fuel filter (.48 Gal/h @ 1/2 Load)
  • Microprocessor Controlled
  • Self-diagnostic capability to simplify troubleshooting
  • High Quality, Pure Sine Wave Electrical Output
  • Digital voltage regulator prevents damaging spikes
  • Computer-Controlled Variable Speed Operation
  • Matches engine speed to load demand, minimizes noise levels
  • Sound-Attenuating Design w/ USDA Approved Spark-Arrestor Muffler
  • Lowers noise levels while providing cross-flow cooling
  • Three-Point, Fully Focalized Mounting System
  • Reduces vibration for quieter operation
  • Stationary exhaust pipe connection point for easy installation
  • Integrated Generator Set & Engine Control
  • Provides user friendly controls and safety features
  • 3 Year / 2000 Hour Warranty


Idle Control Yes
Hour Meter Yes
Fuel Consumption .38-1.28 gallons/hr
Circuit Breaker Size 50 Amps
Min. Air Inlet - Front 19" x 12"
Min. Air Outlet - Bottom 15" x 16"
Grade Type Recreational
Engine Brand Cummins Onan
Starting System 12-Volt Button Start
HP 27 HP
CC 1499 CC
Consumer Engine Warranty 3 Years
Low Oil Alert/Shutdown Yes
Product Category Generator - RV
Weight 787 Pounds
Consumer Warranty 3 Years
Product Style RV Generator
Product Length 41.4 Inches

Order shipment preparation takes 3 days. Once shipped orders usually take 2 weeks to be delivered. These are estimations; delivery can be delayed for reasons beyond our control. You can always contact us to know the exact delivery time once you placed an order with us. Have a look at our shipping policy here.