Your independent electronic engine experts

Products We Carry

Detroit Diesel Series 60 Engines

We have a large inventory of Detroit Diesel Series 60 engines. These include truck, industrial, and generator engines. The Series 60 engine was the first…

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Generator Sets

We have new and used generator sets.   All of our units are load bank tested. We can load bank your generator.  We can test 208,…

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Cat Engines

We stock rebuilt Caterpillar truck and industrial engines.

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Pumps

Triplex, Quintaplex and Centrifugal We can build pump packages for well service, water transfer, or water disposal. We rebuild or repair your pump power needs.

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Allison Transmission

We are your local independent Allison transmission experts.   We can troubleshoot, repair, and rebuild your transmission. We have a transmission test stand to check all…

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Why Diesel Performance?

Diesel Performance has all the diagnostic software to troubleshoot, repair or overhaul your CAT, Cummins, or Detroit Diesel engine. We also have many years of Allison Transmission experience, with both off highway and on highway applications. We have four fully equipped service trucks to make the necassary repairs in the field. We also have a complete fabrication facility to custom build generator sets, power units or to repower your rig. Read more about us…

Complete Overhauls • Custom Fabrication • Maintenance • Diagnostics • Minor Repairs • DOT Inspections • Transmission Rebuilding • Cylinder Head Repair/Rebuild • Brakes • Load Banking • Engine Dyno Testing • Chassis Dyno Testing • Ac Repair • Field Service
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More Parts & Services

Series 60 Engines

We have a large inventory of Detroit Diesel Series 60 engines. These include truck, industrial, and generator engines. The Series 60 engine was the first all-electronic controlled engine manufactured from the ground up. 11 Liter, 12.7 Liter, and 14 Liter DDEC 11, DDEC Ill, DDEC IV, DDEC V, and DDEC VI 350 horsepower to 700 horsepower.

Cat Engines

We stock rebuilt Cat engines. Check out our C 15 eliminator with mono therm steel piston large diameter crankshaft and single turbo for economy. If you need more power, there is the C18 Dominator from 630 horsepower to 800 horsepower. We also have Cat industrial engines.

Transmissions

We are your local independent Allison transmission experts. We can troubleshoot, repair, and rebuild your transmission. We have a transmission test stand to check all Allison transmission clutch pressures and shift quality.

Dyno Testing

We have the only heavy duty tandem axle chassis dyno in western Colorado. The dyno is rated at 1000 horsepower. We can verify that engine performance is up to specification. We perform diagnostics under loaded conditions. All our rebuilt engines are dyno tested on our 2000 horsepower engine dyno. This assures you are getting the horsepower you need to do the work.