Colorado Transmission & Diesel Specialists
Specialized Transmission, Automotive & Diesel Repair in Fort Lupton, Brighton, Firestone, and Erie
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Specializing in heavy-duty and performance transmissions. From precision rebuilds to advanced electronic diagnostics, we ensure your vehicle handles every gear with power and reliability.
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Expert care for Powerstroke, Cummins, and Duramax engines. We handle everything from routine fuel system maintenance to complete engine overhauls and performance tuning.
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Keeping your business on the road with priority service for commercial fleets. We provide comprehensive bumper-to-bumper diagnostics and preventative maintenance schedules.
Our Specialties: Advanced Transmission & Diesel Repair
Precision Engineering Meets Decades of Experience
Doug Friedlan and the CTDS team are the North Denver Metro’s premier specialists in transmission repair, diesel performance, and precision diagnostics. Serving Fort Lupton, Brighton, Erie, and Firestone, our certified mechanics deliver dealership-level technical mastery with the transparency and affordability of a local, family-owned shop. Whether you need a heavy-duty transmission rebuild or high-performance diesel upgrades, we provide the reliable, long-term solutions that keep Colorado’s trucks on the road.
Precision. Power. Professional.
Trust your vehicle to the Master Technicians at Colorado Transmission & Diesel Specialists. From diagnostics to full rebuilds, we get it right the first time.