Diesel Engine Repair & Diagnostics in Kansas City, Missouri

When a Power Stroke starts smoking, a Cummins loses power under load, or a Duramax throws an injector code, you want a Kansas City shop that works on diesels every day rather than once a month. The engine and diagnostic specialists here serve Kansas City and nearby Missouri — with scan tools that read manufacturer codes, injector test benches, and mechanics who know which failures are common on your engine before they lift the hood.

30Diesel Engine Repair & Diagnostics Shops
9Open 24 Hours
4.4Average Rating
0Premium Shops

All Diesel Engine Repair & Diagnostics Shops in Kansas City

C&S Mobile Repair, LLC

Kansas City, MO
(816) 522-4663
5.0★(23 reviews)
Diesel Engine RepairDiesel SpecialistEmergency RepairMobile Service

Onsite Truck Repair Kansas City

Kansas City, MO
24/7
(816) 451-8164
5.0★(1 reviews)
Fleet MaintenanceEngine DiagnosticsDiesel Engine RepairTransmission RepairPreventive Maintenance +2 more

Mobile Truck Repair Kansas

Kansas City, MO
24/7
(913) 374-8448
5.0★(1 reviews)
Fleet MaintenanceEngine DiagnosticsDiesel Engine RepairTransmission RepairPreventive Maintenance +4 more

Tom Cat Rebuilders

Kansas City, MO
(816) 756-0004
5.0★(5 reviews)
Diesel Engine RepairDiesel RepairIndependent ShopHighly Rated

Fleet Service Corp

Kansas City, MO
(816) 588-8888
5.0★(3 reviews)
Fleet MaintenanceDiesel SpecialistCommercial & Fleet

Midway Western Star Heavy Truck Service

Kansas City, MO
(816) 455-4240
5.0★(4 reviews)
Mobile ServiceCaterpillar CertifiedCummins CertifiedDetroit Diesel CertifiedDiesel Specialist

Heavy Equipment Repair Services Kansas City

Kansas City, MO
(816) 320-6660
5.0★(1 reviews)
Transmission RepairEmergency RepairDiesel Engine RepairHydraulic RepairDiesel Specialist

M & S Truck & Trailer Repair

Kansas City, MO
(816) 421-5580
5.0★(5 reviews)
Diesel Engine RepairDiesel Specialist

Collins & Sons Truck & Trailer Repair

Kansas City, MO
24/7
4.9★(11 reviews)
DOT InspectionsDiesel Engine RepairDiesel SpecialistOpen 24 Hours

Great Central Truck Services

Kansas City, MO
(816) 231-1736
4.7★(45 reviews)
Hydraulic RepairRV RepairDiesel Engine RepairDiesel Specialist

American Truck Centers | Kansas City

Kansas City, MO
(816) 357-5570
4.7★(108 reviews)
Fleet MaintenanceDiesel Engine RepairBrake ServiceDiesel Specialist

Direct Diesel Repair LLC

Kansas City, MO
(816) 522-3658
4.7★(14 reviews)
Diesel Engine RepairDiesel Specialist

Us and a Truck Mobile Repair Service

Kansas City, MO
24/7
(816) 577-0070
4.5★(73 reviews)
Brake ServiceDiesel Engine RepairDiesel SpecialistEmergency RepairOpen 24 Hours +1 more

Foley RIG360 Truck Center

Kansas City, MO
(816) 753-5300
4.5★(17 reviews)
Hydraulic RepairBrake ServiceDiesel Engine RepairPreventive MaintenanceDiesel Specialist

Summit Heavy Equipment Inc

Kansas City, MO
(816) 526-7032
4.5★(20 reviews)
Diesel RepairIndependent ShopHighly Rated

TRUCKUP Mobile Truck Repair

Kansas City, MO
24/7
(816) 281-9948
4.5★(118 reviews)
DOT InspectionsMobile ServiceDiesel SpecialistEmergency RepairOpen 24 Hours

Hupp Truck Repair

Kansas City, MO
(816) 241-2778
4.5★(143 reviews)
Mobile ServiceDiesel Specialist

Vehicare Fleet Solutions

Kansas City, MO
(913) 928-6997
4.4★(36 reviews)
Mobile ServiceFleet MaintenanceDiesel SpecialistCommercial & Fleet

Aden Bros Truck and Trailer Repair

Kansas City, MO
(816) 255-8083
4.4★(7 reviews)
Mobile ServiceDiesel Engine RepairDiesel Specialist

TWB FLEET REPAIR LLC

Kansas City, MO
24/7
(816) 536-7057
4.4★(35 reviews)
Bus RepairDiesel Engine RepairEmergency RepairRV RepairTransmission Repair +5 more

FleetPride

Kansas City, MO
(816) 231-8816
4.4★(85 reviews)
Engine DiagnosticsDiesel SpecialistCommercial & Fleet

Heartland Mobile Repair LLC

Kansas City, MO
24/7
(816) 848-4038
4.2★(10 reviews)
DOT InspectionsEmergency RepairDiesel Engine RepairDiesel SpecialistOpen 24 Hours +1 more

On Time Truck Repair LLC

Kansas City, MO
(816) 905-8220
4.2★(112 reviews)
Hydraulic RepairDiesel Engine RepairDiesel Specialist

Inland Truck Parts & Service

Kansas City, MO
(816) 471-3154
4.2★(66 reviews)
Hydraulic RepairRV RepairDiesel Engine RepairDiesel Specialist

Kansas City Fleet Maintenance

Kansas City, MO
(816) 513-8350
4.0★(2 reviews)
Fleet MaintenanceDiesel SpecialistCommercial & Fleet

Heavy Duty Technician Training

Kansas City, MO
4.0★(4 reviews)
Diesel SpecialistCommercial & Fleet

Veteran Road Service LLC

Kansas City, MO
24/7
(816) 695-2962
3.9★(63 reviews)
Mobile ServiceFleet MaintenanceDiesel SpecialistOpen 24 Hours

Northland Truck Service Inc

Kansas City, MO
(816) 483-7790
3.7★(26 reviews)
Transmission RepairDiesel Specialist

KC Truck Repair & Parking

Kansas City, MO
(816) 853-9544
3.2★(29 reviews)
Diesel SpecialistDiesel RepairIndependent Shop

Speedco Truck Lube and Tires

Kansas City, MO
24/7
(816) 381-8288
2.3★(139 reviews)
Mobile ServiceDiesel SpecialistOpen 24 Hours

Diesel Engine Repair & Diagnostics FAQ — Kansas City, Missouri

My check-engine light is on but the truck runs fine — do I really need a diesel diagnostic?
Yes, and sooner rather than later. On a modern diesel the light often means an emissions, sensor, or fuel-pressure fault that has not become a driveability problem yet. A Kansas City diesel shop can pull the code, read live data, and tell you whether it is a $40 sensor or the early sign of a failing injector. Diagnostic time is normally billed as a flat fee or one hour of labor.
How do I know a Kansas City shop is a real diesel specialist and not a general garage that "also does diesel"?
Ask what scan tool they use for your engine, whether they have replaced injectors on your platform this month, and how they test fuel pressure and contribution. Specialists answer in specifics — Ford IDS, Cummins INSITE, GM GDS2, balance rates, HPOP pressure. Their reviews will mention specific repairs, not just oil changes.
What are the most common engine repairs on diesel pickups in Missouri?
Across the state the same handful of jobs come up: injector replacement, turbo actuator and vane failures, high-pressure fuel pump or CP4 failures, EGR cooler leaks, head gasket and stud jobs on 6.0 Power Strokes, and fuel contamination from bad diesel or water in the tank. Cold Missouri mornings also expose weak glow plugs and batteries.
How long does a typical diesel engine repair take?
A diagnostic and sensor swap can be same-day. A full injector set is usually one to three days depending on parts. Turbo replacement runs one to two days. Head gaskets and in-frame rebuilds are measured in weeks, not days, because of machine-shop time — ask your Kansas City shop for a realistic window and whether they can source parts before you drop the truck off.
Are aftermarket parts fine for diesel engine repairs, or should I insist on OEM?
For injectors, high-pressure pumps, and turbos, most experienced mechanics steer you to OEM or a reputable remanufacturer with a real warranty — cheap injectors are the top cause of comebacks. Filters, sensors, gaskets, and hardware from a quality aftermarket brand are generally fine. Get the part brand and warranty terms in writing on the estimate.