Mack Truck Repair - Kansas City, KS

Mack Truck Repair
Shop & Mobile - Kansas City Area

Mack trucks are built for durability, heavy hauling, and demanding job sites.


From construction fleets to regional transport operations, they’re engineered to handle harsh conditions; they still need expert maintenance and repair to stay reliable.


Champion FleetCare provides professional Mack truck repair in Lenexa, KS, with in-shop and mobile service across the Kansas City metro area.


Whether your truck is down at a job site, distribution center, or roadside, our technicians respond quickly to reduce downtime.


Visit us at 13904 W 108th St, Lenexa, KS 66215, or schedule mobile service at your location.

Front view of a red and black Mack dump truck parked on a city street, featuring a large metal bumper and license plate.

5+

Years of Experience

Specialized Maintenance and Repair for Mack Trucks

Modern Mack trucks rely on advanced diesel engines, electronic control systems, and automated transmissions, which require specialized diagnostics and experienced service.



Our Mack repair services include:

Mack Engine Diagnostics & Repair

Diagnostics and repair for MP7, MP8, and MP13 engines, including turbo testing, injector diagnostics, EGR repairs, and performance troubleshooting.

mDRIVE Transmission Service

mDRIVE diagnostics and repair, clutch calibration, actuator service, and driveline inspections to restore smooth shifting and uptime.

Air System & Brake Repairs

Air compressor service, brake chamber replacement, slack adjuster inspection, ABS diagnostics, and DOT-focused brake system checks.

Fuel System Service

Fuel injector testing, high-pressure pump diagnostics, fuel line inspections, and filtration service to maintain proper engine performance.

Cooling System Repairs

Radiator service, coolant pressure diagnostics, hose replacement, and thermostat repairs to prevent overheating and engine damage.

Electrical & Telematics Diagnostics

Fault-code scanning, wiring diagnostics, battery/charging system testing, and support for Mack GuardDog Connect alerts.

A white Mack semi-truck parked in an outdoor lot on a sunny day.

Mack Truck Models We Service

We service a wide range of Mack commercial truck platforms operating across Lenexa and the Kansas City metro area.

Mack Anthem Repair 

Long-haul and regional tractors equipped with MP engines and mDRIVE transmissions.

Mack Pinnacle Repair 

Heavy-duty highway tractors are commonly used in freight and logistics operations.

Mack Granite Repair 

Construction and vocational trucks built for dump, concrete, and heavy hauling applications.

Mack LR & TerraPro Repair 

Refuse, municipal, and vocational fleet trucks require specialized service support.

Legacy Mack Models 

Service and support for older Mack platforms still active in commercial fleets.

Whether you operate one Mack truck or manage a fleet, our team provides consistent, professional service.

A blue Mack dump truck driving on a city street between other vehicles.
A person in a welding hood and blue shirt holds a level while working on a metal frame in a shop.

Why Choose Champion FleetCare of Kansas City?

Mack trucks are known for strength, but they still require precise service to maintain reliability and compliance.


Our diagnostic-first approach helps prevent repeat failures and reduces unnecessary parts replacement.


Fleet managers and owner-operators choose Champion FleetCare because we offer:

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Experienced diesel technicians

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Advanced diagnostic capabilities

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Mobile fleet repair throughout Kansas City

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Fast turnaround times

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Clear communication and transparent recommendations

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Preventive maintenance planning for long-term reliability

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Detailed service documentation for fleet records

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Mobile service coordination for fleet uptime

We understand that downtime costs money. Our mission is to keep your Mack truck safe, compliant, and earning revenue across the Kansas City metro.

Serving Mack Truck Owners in Lenexa, KS & the Kansas City Metro Area

From vocational construction units to long-haul tractors, we provide dependable Mack repair solutions throughout the region.


Champion FleetCare proudly supports Mack truck owners across the following areas.

Schedule Mack Truck Repair Today 

If your Mack truck needs diagnostics, preventive maintenance, or repair, our team is ready to help.


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


Champion FleetCare provides reliable Mack truck repair designed to reduce downtime and keep your fleet moving across the Kansas City metro.

Frequently Asked Questions

  • What are common Mack MP8 engine problems?

    Common Mack MP8 issues include EGR cooler failures, DPF restrictions, injector wear, turbocharger faults, and coolant leaks. Drivers may notice engine derates, loss of power, excessive smoke, or warning lights. Early diagnostics help prevent internal engine damage and extended downtime.


  • Why is my Mack mDRIVE transmission not shifting correctly?

    mDRIVE shifting problems are often caused by clutch wear, actuator failures, sensor faults, or calibration issues. Symptoms may include delayed gear engagement, harsh shifts, or transmission fault codes. Proper diagnostic scanning and clutch calibration are essential to restore smooth operation.


  • What causes the Mack truck engine to derate?

    Engine derate in Mack trucks is typically triggered by DPF clogging, DEF system issues, NOx sensor faults, or SCR system malfunctions. The truck reduces power to maintain emissions compliance. Accurate aftertreatment diagnostics are required to identify the root cause and restore full performance.


  • How often should Mack trucks receive preventive maintenance?

    Mack trucks should follow manufacturer service intervals, including oil changes, fuel system inspections, air brake checks, cooling system diagnostics, and emissions system evaluations. Preventive maintenance reduces breakdown risk and extends the lifespan of heavy-duty vocational and highway trucks.


  • Can Mack truck repairs be performed on-site?

    Yes. Many Mack repairs, such as mobile diagnostics, electrical troubleshooting, air brake service, battery replacement, and certain emissions repairs, can be performed on-site. Major engine rebuilds or transmission overhauls typically require in-shop service for proper equipment and safety.


    We also service Ram trucks in Lenexa KS.