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United Power Systems LLC opened for business in 2009 by the former owners of United Diesel/Unitech Diesel which have been in the engine repair business since 1974. Our management team has over 30 years of experience in the diesel engine repair industry.

Our service technicians have worked for major distributors that are trained on multiple products. They have an average of 27 years of experience, along with all safety and environmental training required by most companies servicing the oil industry. All of our technicians have TWIC cards and most have passports to service your international needs.

We offer genuine parts and service support for Caterpillar, Cummins, Detroit, John Deere, and Mitsubishi products. The experience of our technicians includes the ability to diagnose and correct electronic complaints of all products we service.

Our facility is fully equipped to perform major, in-shop rebuilds that meet factory specifications. We offer 24-hour parts and service at our facility or equipment locations including offshore.

UPS became a certified "ABS" Service Center in October of 2009. In 2014 UPS became an Authorized Mitsubishi Dealer. Our team has the experience necessary to provide superior service that is cost effective and beneficial.  For your convenience, we offer 24 hour sales and service covering the entire Gulf Coast area.

United Power Systems Shop


dyno testing

Dyno Testing

Testing is available on all make and models up to 1200 hp.

stationary generator

Commercial Generators

We can handle all of the routine maintenance and repairs on your shop or homes diesel generators.

k38 engine exchange

Engine Exchange

We keep a range of exchange engine in stock from all major brands.

engine service

Engine Service

We can handle all of your service needs, 24-hours a day, anywhere in the world.

ABS overhauls

Engine Rebuild

United Power system offers ABS certified rebuilds on CAT, Cummins, Detroit, John Deere and Mitsubishi engines.


Engine Parts

We carry a wide array of OEM parts for CAT, Cummins, Detroit, John Deere and Mitsubishi engines.



Year Established


Average Years of

Technician Experience


Customer Service


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John Deere Logo
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Mitsubishi logo

"The main goal of United Power Systems LLC is to provide the highest quality products in a timely manner to serve our customers needs. We want a relationship that is mutally beneficial to our customers and ourselves in order to gain repeat business. This goal can only be achieved by providing quality products and services to our customers."

United Power Systems

Safety material box on wall


United Power Systems LLC considers safety its highest priority. We conduct all operations safely and prudently, while providing our customers with the finest service and equipment available. To meet that goal, we all work together to assure our customers that each project undertaken by United Power Systems LLC reflects a commitment to safety and pride in our work, reputation, and ourselves.

We are committed to following written procedures provided by the manufacturers we represent. In doing so, we build our equipment according to factor specifications and document all of our inspection procedures.

Each of our employees understands they have a personal responsibility in their own safety, as well as, the safety of others. In doing so, each employee must follow all safety regulations set forth within our corporate safety policy and do their part in identifying and correcting unsafe conditions, eliminate unsafe practices.



United Power Systems LLC is focused on reducing and/or eliminating hazardous waste in every step of our business, because we believe that reducing and/or eliminating waste at its source is the key to a sound program.

For those products in which elimination is not possible, we provide resources to process it. We also ensure that waste generated by our firm at our facility is the only waste accepted at our facility (i.e. spent abrasive, paint waste, drums).

​Our goals are to use as few hazardous waste products as possible, replace hazardous waste products with non-hazardous waste products whenever possible, and to eliminate or alter processes that generates hazardous.

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For any inquiries or questions, please call 

(985) 537-7377 or fill out the following form.

Contact Us

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Head Office

2975 LA-182

Raceland, LA 70394

Tel: (985) 537-7377

Fax: (985) 537-2084

Get a quote: (985) 537-7377

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