Heavy Duty Truck Repair - Kansas City, KS

Heavy Duty Truck Repair

Shop & Mobile - Kansas City Area

Heavy-duty trucks are the backbone of construction, logistics, agriculture, and regional freight operations. When one of these trucks goes down, productivity stops, and revenue is immediately impacted.


Champion FleetCare provides professional heavy-duty truck repair, offering both full-service in-shop repairs and mobile truck repair across the Kansas City area.


Whether you operate a single Class 8 truck or manage a multi-unit fleet, our technicians are equipped to diagnose issues quickly and complete repairs reliably.


Visit our shop at: 13904 W 108th St, Lenexa, KS 66215

A red semi-truck parked outdoors, with a blue truck partially visible behind it.

5+

Years of Experience

Heavy Duty Truck Repair Services

Our heavy-duty truck repair services include:

Diesel Engine Diagnostics & Repair

Comprehensive engine diagnostics, fuel system repairs, turbocharger service, head gasket repairs, oil leaks, overheating issues, and complete in-frame rebuilds when required.

Transmission & Clutch Repair

Manual, automatic, and automated manual transmission diagnostics, clutch replacements, torque converter repairs, driveline inspections, and PTO system service.

Brake System Service

Air brake system diagnostics, brake chamber replacements, slack adjuster service, ABS troubleshooting, drum and rotor replacement, and full DOT-compliant brake inspections.

Suspension & Steering Repair

Leaf springs, air ride suspension systems, bushings, kingpins, tie rods, shocks, and alignment-related repairs to restore stability and safe handling.

Electrical Diagnostics

ECM troubleshooting, charging system repair, starter and alternator replacement, wiring harness repair, dash warning light diagnostics, and sensor replacement.

Cooling & Aftertreatment Systems

Radiator repairs, coolant system service, DPF cleaning, EGR repairs, DEF system troubleshooting, and emissions system diagnostics.

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Heavy Duty Truck Models Trusted by Fleets We Maintain

We service a wide range of heavy-duty truck platforms commonly operating throughout Lenexa and the Kansas City metro, including:

Class 7 and Class 8 Highway Tractors

Built for regional and long-haul freight, these trucks handle heavy loads and high mileage. We service engines, transmissions, brakes, and aftertreatment systems to keep them road-ready.

Sleeper and Day Cab Configurations

From overnight sleeper units to local day cabs, we provide full mechanical and electrical repair to support both long-distance and short-haul operations.

Vocational Trucks for Construction and Utilities

These trucks operate in tough job site conditions. We handle suspension, hydraulic systems, PTO components, and diesel engine repairs to maintain performance and durability.

Dump Trucks and Flatbeds

Used in construction, hauling, and material transport, these trucks require strong brake systems, driveline service, and frame inspections to stay safe and reliable.

Box Trucks and Delivery Fleets

Common in logistics and distribution, box trucks need dependable engines, cooling systems, and brake service to stay on schedule and avoid costly downtime.

Agricultural Heavy-Duty Trucks

Operating in demanding rural environments, these trucks require fuel system service, cooling system repairs, and preventive maintenance to handle seasonal workloads.

Our technicians are experienced with major commercial truck brands and diesel engine platforms used in regional and long-haul operations.

A bright red Renault semi-truck cab parked on a paved lot.
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Why Choose Champion FleetCare of Kansas City?

Heavy-duty truck owners choose Champion FleetCare because we understand what downtime truly costs.


What sets us apart:

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Mobile heavy-duty truck repair across Kansas City

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Experienced diesel technicians

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Advanced commercial diagnostic equipment

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Fleet-focused service planning

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Fast turnaround times

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Clear communication and documentation

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Convenient Lenexa shop location

We treat your truck like a business asset because it is one.

Proudly Serving Lenexa, KS & Kansas City Metro Area

From local contractors to regional freight fleets, we provide dependable heavy-duty truck repair designed to keep operations moving. Champion FleetCare proudly supports heavy-duty truck operators in the following areas.

Schedule Heavy-Duty Truck Repair Today

If your heavy-duty truck needs diagnostics, repairs, or scheduled maintenance, our team is ready to help.


Call (913) 498-9999 to schedule service or visit Champion FleetCare at 13904 W 108th St, Lenexa, KS 66215.

Frequently Asked Questions

  • What qualifies as heavy-duty truck repair?

    Heavy-duty truck repair typically applies to Class 7 and Class 8 trucks, including semi-trucks, sleeper cabs, dump trucks, vocational trucks, and regional freight tractors. 


    Repairs often involve diesel engine diagnostics, air brake systems, transmission service, suspension repairs, emissions systems, and full in-frame overhauls.


    We also service Ford trucks in Lenexa KS. 

  • How much does heavy-duty truck engine repair cost?

    Costs vary depending on the issue. Minor repairs, such as sensor replacement or fuel system repairs are significantly less than in-frame engine rebuilds or complete engine replacements. Accurate diagnostics are required to determine whether repair, rebuild, or replacement is the most cost-effective solution.


  • What causes heavy-duty trucks to go into engine derate?

    Engine derate is commonly triggered by DPF clogging, DEF system faults, SCR failures, EGR malfunctions, turbo issues, or sensor communication errors. When emissions systems detect a fault, power is reduced to maintain compliance. Immediate diagnostics prevent extended downtime.