S&M Diesel & Mechanical Inc. is a performance, repair, and custom-build shop specializing in diesel — while also servicing gas vehicles — for Red Deer County and Central Alberta, including Sylvan Lake, Lacombe, Blackfalds, Innisfail, Ponoka, Olds, Rocky Mountain House, and Stettler. Since 2013, our journeyman-certified team has focused on diesel service and maintenance, fleet maintenance programs, custom diesel truck builds, and performance upgrades for Cummins, Power Stroke, and Duramax trucks. We also run a full parts desk with OEM and aftermarket sourcing, plus financing options for repairs and upgrades. Whether you need routine diagnostics, a fleet maintenance schedule, or a full custom build, S&M Diesel delivers honest, reliable expertise close to home — with diesel as our specialty and gas work covered too.