Welcome to Johnson Power Systems

Johnson Power Systems is your source for Caterpillar truck and marine engines as well as electric generation applications and Olympian generators.

Factory trained technicians provide outstanding customer support and service.
Dynamometer testing on trucks allows the service personnel the ability to load test engines for horsepower and proper repair. Generator load bank testing is available for testing power generation equipment to ensure availability in time of emergency.

With a complete staff of engineering and fabrication personnel for specialized power generation systems, you can be confident that our experts can successfully meet your specific job requirements.

Johnson Power Systems provides sales, parts, service, fuel, and rentals of Caterpillar engines to Riverside and San Bernardino Counties.