Dynamic Diesel
Heavy-Duty Repair — Phoenix, AZ
Engines. Transmissions. Heavy Equipment. Motor Homes. Whatever rolls in — we fix it right. Ask for Lonnie.
Heavy-Duty Services
Semis, motor homes, construction equipment — we handle it all under one roof in Phoenix.
Engine Overhaul
Complete diesel engine rebuilds. Inframe, overhaul, and top-end. Caterpillar, Cummins, Detroit, International.
Transmission Rebuild
Allison automatic, Fuller, Eaton manual — complete teardown, rebuild, and calibration.
Heavy Equipment
Scrapers, graders, excavators, loaders. On-site at your construction yard or in-shop.
Motor Home / RV
Diesel motorcoach specialists. Oil, filters, safety inspection, engine service for coaches & RVs.
Brake Systems
Air brakes, hydraulic brakes, slack adjusters, drums, rotors. DOT-ready inspections.
Electrical & Diagnostics
ECM/ECU programming, wiring harness repair, sensor diagnostics, DTC code clearing.
Fleet Maintenance
On-site PM programs at construction yards. Scheduled service to keep your fleet moving.
DPF / Aftertreatment
DPF cleaning, regen service, DEF system repair, SCR catalyst replacement.
Truck Down? Call Lonnie Now.
We service the Phoenix metro, I-10 & I-17 corridors. Don't get stranded — call us first.
(602) 237-3377
Precision Diagnostics
We diagnose it right the first time — no guessing, no comebacks.
ECM / ECU
Full read, write & programming. Fault code diagnosis across all heavy-duty ECU platforms.
Live Data
Real-time sensor monitoring, parameter recording & performance analysis under load.
DPF Regen
Forced regen, filter cleaning, DEF system repair & aftertreatment fault resolution.
Parameter Prog.
Transmission calibration, idle speed, PTO programming, throttle mapping & custom parameters.
Why Dynamic Diesel?
Heavy Equipment Experts
We work on scrapers, motor graders, excavators, and heavy construction equipment — not just semis. Lonnie's team goes to your yard.
CAT • John Deere • Komatsu
Brands We Service
Our Work
4.5★ on Google
(602) 237-3377 — 42 verified reviews — Ask for Lonnie
"Lonnie and his team are excellent. Changed oil/filters on my 1993 Sun Voyager motor home, found 3 major safety issues. Very thorough."
"Had my 2006 Beaver Patriot towed in for transmission. Used Dynamic many times. Lonnie runs an honest business, keeps you informed. Never had to return for same problem."
"Delivered rebuilt parts for our scrapers. They do a lot of work for our company. People always good to deal with."
Contact Dynamic Diesel
Ask for Lonnie — (602) 237-3377
We Serve All of Greater Phoenix
On-site fleet service available — call (602) 237-3377