Cummins Vs. Cat Diesel Motorhome Engines

Motor home engines come in gas or diesel engine styles. Diesel engines usually are located in the rear of the coach and are generally found on larger units.

Common

The two most common diesel engines are Cummins and Caterpillar. Though there are differences, both are excellent engines.

Sound

Cummins is a good choice if you are a fan of the sound of straight pipe engines. Catepillar engines are much louder with a deeper boom.

Repairs

The Caterpillar engine is more expensive and more costly to repair. They have more power and torque, which results in better mileage.

Quality

Cummins and Caterpillar both have expectational reputations. They both stand behind their engines which both are hard runners. If properly maintained, either will last for a long time.

Preference

Aside from repair costs and sound, there is little difference between the two engines. It all comes down to personal reference.

References

• Cummins Engines
• Caterpillar On-Highway Engines