Fast, Reliable & On-Site — Serving the High Desert and Inland Empire. Alpha Diesel Mobile Service brings certified, professional diesel mechanic service directly to your truck or fleet, wherever you are.
Call for emergency repairWhen your rig is down, you don’t have time to gamble on second-rate service. At Alpha Diesel, we deliver professional, no-BS diesel repair with fast response times, honest pricing, and results that last. Our mobile techs show up ready to work—day or night—so you can get back on the road and stay profitable.
⚡ Quick Response Time – We Come to You, 24/7
🛠️ Diagnostics | Electronics | Brakes | Cooling | Engine | Transmission | Roadside Repair
🚚 Fleet Maintenance Plans Available
Riverside County Cities: Banning, Beaumont, Blythe, Calimesa, Canyon Lake, Cathedral City, Coachella, Corona, Desert Hot Springs, Eastvale, Hemet, Indian Wells, Indio, Jurupa Valley, Lake Elsinore, La Quinta, Menifee, Moreno Valley, Murrieta, Norco, Palm Desert, Palm Springs, Perris, Rancho Mirage, Riverside, San Jacinto, Temecula, Wildomar
San Bernardino County Cities: Adelanto, Apple Valley, Barstow, Big Bear Lake, Chino, Chino Hills, Colton, Fontana,
Grand Terrace, Hesperia, Highland, Loma Linda, Montclair, Needles, Ontario, Rancho Cucamonga, Redlands, Rialto, San Bernardino,
Twentynine Palms, Upland, Victorville, Yucaipa, Yucca Valley
High Desert Cities: Acton, Agua Dulce, Antelope Acres, Boron, Daggett, Del Sur, Edwards (includes Edwards Air Force Base), El Mirage, Elizabeth Lake, Fort Irwin, Helendale, Hinkley, Hi Vista, Inyokern, Johannesburg, Joshua Tree, Lake Hughes, Lake Los Angeles, Landers, Lenwood,
Leona Valley, Littlerock, Llano, Lone Pine, Lucerne Valley, Ludlow, Mojave, Mountain View Acres, Nebo Center, Neenach, Newberry Springs,
North Edwards, Oak Hills, Oro Grande, Pearblossom, Phelan, Pinon Hills, Pioneertown, Quartz Hill, Randsburg, Rosamond, Searles Valley (includes Trona), Spring Valley Lake, Sun Village, Tehachapi, Valyermo, Yermo
Our mobile diesel techs are on-call 24/7 to handle everything from no-starts and brake failures to cooling and electrical issues, right where you’re parked. No tow required.
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Keep your trucks running longer and avoid costly downtime with scheduled fleet maintenance built around your operation. We offer custom service plans, fast turnaround times, and volume-based pricing for small to mid-sized fleets.
Stay compliant and avoid costly violations. We provide fast, professional DOT inspections for diesel trucks and trailers, helping you stay road-legal and fully operational.
Because downtime is costing you money. When your truck’s not moving, you’re losing time, loads, and income. That’s why Alpha Diesel Mobile Service is trusted by drivers and fleet managers across the High Desert. We’re fast, skilled, and built for the road — we deliver the kind of reliable service that keeps your business rolling.
"Had a radiator failure on my truck and Nick from Alpha Diesel responded immediately. Dropped everything to assist me, diagnosed the issue in minutes, and had me back up and running fast. Thanks to him, I didn’t miss my delivery. Top-notch service, excellent workmanship, and fair pricing. Highly recommend!"
"My turbo's oil drain hose burst, but Alpha Diesel showed up fast with all the necessary parts in hand. Quick, efficient, and knew exactly what to do. Great attitude and service."
"I own three trucks and trust Alpha Diesel every time something goes wrong. They’re always just a call away. Dependable, affordable, and consistently reliable."