# Diesel Dudes > Diesel Dudes provides 24/7 mobile diesel mechanic service. We drive to the truck—there is no shop—to serve the Charlotte, NC and Columbia, SC metros and the I-77, I-20, and I-26 corridors. Call (980) 990-2722. Google reviews: 4.8★ from 57 reviews. ## Core pages - [Home](https://calldieseldudes.com/) — 24/7 mobile diesel mechanic service in the Charlotte and Columbia metros. - [Diesel Mechanic](https://calldieseldudes.com/diesel-mechanic/) — Broad mobile diesel mechanic and repair service; we drive to the truck. - [Mobile Semi Truck Repair](https://calldieseldudes.com/mobile-semi-truck-repair/) — Roadside, yard, and loading-area semi-truck mechanical repair. - [Mobile Freightliner Repair](https://calldieseldudes.com/mobile-freightliner-repair/) — Mobile diagnostic and repair support for Freightliner Cascadia and M2 trucks. - [Mobile Box Truck Repair](https://calldieseldudes.com/mobile-box-truck-repair/) — On-site engine and chassis diagnosis for diesel box trucks across multiple makes. - [Mobile Cummins Diesel Repair](https://calldieseldudes.com/mobile-cummins-diesel-repair/) — Mobile diagnosis and repair for Cummins-powered commercial trucks, pickups, and select equipment. - [Mobile Diesel Pickup Repair](https://calldieseldudes.com/mobile-diesel-pickup-repair/) — Mobile Power Stroke, Duramax, and Cummins pickup diagnosis and repair. - [Emergency Diesel Repair](https://calldieseldudes.com/emergency-diesel-repair/) — Repair-now mobile service for mechanical diesel-truck faults. ## Services - [Mobile Truck Tire Service](https://calldieseldudes.com/services/mobile-tire-services/) — Commercial truck and semi tire calls. - [Mobile Brake Repairs](https://calldieseldudes.com/services/mobile-brake-repairs/) — Mobile air-brake and truck-brake diagnosis and repair. - [Mobile Cooling System Repairs](https://calldieseldudes.com/services/cooling-system-repairs/) — Diagnosis and repair for overheating and coolant-loss concerns. - [Mobile DPF, DEF & Derate Service](https://calldieseldudes.com/services/aftertreatment-services/) — DPF, DEF, SCR, and derate diagnosis. - [Mobile Diesel Engine Diagnostics](https://calldieseldudes.com/services/engine-diagnostics-repair/) — Code reads, no-start, power-loss, and derate diagnostics. - [Mobile Electrical Repairs](https://calldieseldudes.com/services/mobile-electrical-repairs/) — ECM and electrical diagnostics for no-crank, charging, wiring, and parasitic-draw concerns. - [Mobile Fuel System Services](https://calldieseldudes.com/services/fuel-system-services/) — Fuel-system diagnosis for no-start, hard-start, stalling, and fuel-delivery concerns. - [Mobile Hydraulic and Suspension Repairs](https://calldieseldudes.com/services/hydraulic-suspension-repairs/) — Hydraulic and suspension repair for hose, fitting, steering, and air-suspension concerns. - [Mobile Heavy Equipment Repair](https://calldieseldudes.com/services/mobile-heavy-equipment-repair/) — Field diagnosis and repair for select diesel construction equipment. - [Mobile Skid Steer Repair](https://calldieseldudes.com/services/mobile-skid-steer-repair/) — Mobile diesel and hydraulic repair for select skid steers and compact track loaders. - [Mobile Excavator Repair](https://calldieseldudes.com/services/mobile-excavator-repair/) — Field diagnosis and repair for select excavators and mini excavators. - [Mobile Fleet Maintenance](https://calldieseldudes.com/services/mobile-fleet-maintenance/) — PM schedules, DOT-readiness support, inspection requests, and service records. - [Emergency Roadside Assistance](https://calldieseldudes.com/services/emergency-roadside-assistance/) — Immediate battery, tire, fuel, and lockout help at the truck. ## Repair guides - [Diesel Truck Won't Start?](https://calldieseldudes.com/blog/diesel-truck-wont-start/) — How to distinguish no-crank, crank-no-start, and starts-then-dies symptoms before requesting mobile diagnosis. - [Semi-Truck Overheating or Coolant Loss](https://calldieseldudes.com/blog/semi-truck-overheating-coolant-loss/) — Safer next steps and useful dispatch details for an overheating truck or coolant loss. - [Semi-Truck Low-Air Warning](https://calldieseldudes.com/blog/semi-truck-low-air-warning/) — What a low-air warning or audible leak means and what to record before requesting brake-system help. - [DPF, DEF & Derate Warning Guide](https://calldieseldudes.com/blog/dpf-def-derate-guide/) — How DPF, DEF, SCR, regeneration, and derate warnings differ before diagnosis. - [Common Diesel Engine Problems](https://calldieseldudes.com/blog/common-diesel-engine-problems/) — Symptom-led field guide covering common diesel concerns without pre-diagnosing the cause. - [Water in Diesel Fuel](https://calldieseldudes.com/blog/water-in-diesel-fuel-symptoms/) — Warning signs and next steps for suspected diesel fuel contamination. ## Locations - [Charlotte, NC](https://calldieseldudes.com/locations/charlotte-nc/) — 24/7 Charlotte dispatch and metro-specific service context. - [Columbia, SC](https://calldieseldudes.com/locations/columbia-sc/) — 24/7 Columbia dispatch and metro-specific service context. - [All Locations](https://calldieseldudes.com/locations/) — Mobile diesel service areas. ## Contact and apply - [Contact](https://calldieseldudes.com/contact/) — Call dispatch or submit a service request. - [Apply](https://calldieseldudes.com/apply/) — Apply to join the independent-contractor mobile diesel mechanic team.