Both the Parts and Service departments are top priorities to Peterson Power Systems.

Our Parts Department is available 24 hours a day, 7 days a week with PartStore online. From there you can select from the entire line of Caterpillar parts and supplies. Everything from gasket makers to wrench sets are available for purchase. Simply put in your request online.

Our in-house service includes dedicated facilities for commercial engines and on-highway truck engines. Capabilities range from smoke opacity testing and oil sampling to comprehensive engine diagnostics, tune-ups, complete in frame overhauls and repowers. Each shop is equipped with the latest in diagnostic tooling such as our strip chart recorders, boroscope inspections, reactive/resistive load banks and three Superflo chassis dynamometers for advanced testing using CAT's PAR system (Power Analysis Report). And each shop is manned by the best factory – trained service technicians dedicated solely to their specific area of expertise.

For Commercial engines only, Peterson Power Systems offers 24/7 emergency assistance for unexpected problems.

Commercial Engine One of Peterson’s most outstanding service features is its field service capabilities, which has earned a legendary reputation over the years. Learn More	Peterson Finance Peterson works closely with CAT Financial to bring you a large variety of buying options that fit the goals of your company. Learn More	Marine Engines Peterson offers Caterpillar’s complete line of Marine Propulsion Engines from 127-7369 bhp (63 kw to 7200 bkw) for powering Pleasure Craft and Commercial Vessels. Learn More	Oil Analysis S-O-S FLUID ANALYSIS Proper fluid maintenance is imperative to keep machines and engines operating at peak performance. Learn More
Order Parts No traffic. No Lines. No Kidding. Take advantage of this convenient way of ordering parts, available 24 hours a day, 7 days a week. Learn More	Parts Delivery Location Peterson has parts drops at each of its 109 Northern California locations, making us one of the most accessible CAT dealers in the country. Find Your Nearest Parts Drop. Learn More	Remote Monitoring Peterson Power Systems can help you monitor your power supply through PointGuard – a fully integrated system of hardware, communications technology. Learn More	RV and Motorcoach Service Peterson serves our RV and motorcoach customers through our 5 CAT RV Service Centers, which are part of a network of nearly 90 select dealerships nationwide. Learn More
Truck Engines Peterson offers a full range of CAT truck engines for any job requirement. In this industry, no one understands truck engines like Peterson Power Systems. Learn More	Tech Support Have a problem? We have the answer. Ask one of our resident expert technicians for help with all CAT Power Generation, Marine, and Industrial Engines! Learn More