Power
455 - 500 hp 339.29 - 372.85 kW
Torque
1550 - 1695 lb-ft 2101.52 - 2298.11 N•m
Product Availability
North America, Africa Middle East, Latin America, Asia Pacific, Europe
Select an application
When it comes to Class A motorhomes, nothing provides more luxury and power than the Cummins X12.
- Up to 500 HP and 1700 lb-ft of torque
- Compact design for easier access to maintenance points
- 20% stronger compression braking
- Annual maintenance intervals
Advances to the emissions system provides exceptional thermal efficiency, minimizing regeneration and improving fuel efficiency. With the highest power-to-weight ratio of any heady-duty engine, the Cummins X12 is the ideal choice for your luxury Class A motorhome.
Features & Benefits
Support.
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Cummins on Every™ Corner – Over 3,700 authorized locations across North America, to support parts and service needs.
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Peace of Mind – Base warranty backed by Cummins for a full 5 years/100,000 miles, whichever comes first. Up to 8 years of optional full engine coverage, including injectors.
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Cummins Guidanz™ and INLINE™ Mini – Read real time engine data and email fault information from your smart phone to speed up the repair process.
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QuickServe™ Online Mobile – Provides complete parts and service information based on specific ESNs.
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Easier Maintenance – The compact design of the X12, together with easy service points for scheduled maintenance increases uptime.
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Get the Latest – Need more information about the Cummins X12 engine or Cummins Onan generators? Visit the Motorhome & RV section of cummins.com