
Cummins Engine Repair Service
ASE-certified service for X15, ISX, ISL, ISB engines - any truck brand
Wayne Truck & Trailer provides expert Cummins diesel engine repair and service in Sidney and Brookville, Ohio. Our ASE-certified technicians specialize in the full Cummins engine lineup including X15, ISX15, ISL9, ISB6.7, and legacy platforms like the N14 and 855. Because Cummins engines power trucks across virtually every major brand - Peterbilt, Kenworth, International, Freightliner, and RAM - Wayne Truck & Trailer is your one-stop Cummins repair shop regardless of truck make. We use Cummins INSITE diagnostic software for accurate troubleshooting and perform everything from routine maintenance to complete in-frame and out-of-frame overhauls. Our aftertreatment expertise covers DPF cleaning, SCR catalyst service, EGR repair, and DEF system diagnostics. Mobile Cummins service available throughout the Dayton, Sidney, Lima, and Brookville areas. Same-day emergency service available. Fleet maintenance programs with priority scheduling.
Our Cummins Engine Repair Service Services
Professional, reliable service with ASE certified technicians
X15 Engine Repair
Complete service for the Cummins X15 platform. Performance and efficiency series diagnostics, fuel system repair, aftertreatment service, turbocharger rebuilds, and major overhauls.
ISX15 Service
Expert ISX15 engine diagnostics and repair. EGR system service, injector replacement, overhead adjustment, turbo actuator repair, and complete in-frame and out-of-frame overhauls.
ISL/ISL9 Repair
Full-service ISL and ISL9 engine repair for medium-duty and vocational applications. Fuel system diagnostics, turbocharger service, cooling system repair, and performance tuning.
ISB/ISB6.7 Service
Comprehensive ISB and ISB6.7 engine service for RAM trucks, medium-duty, and bus applications. Common rail fuel system repair, turbo service, and emissions diagnostics.
Cummins Aftertreatment/DPF/SCR
Specialized Cummins aftertreatment system service. DPF cleaning and replacement, SCR catalyst repair, DEF system diagnostics, forced regeneration, and NOx sensor service.
Cummins Fuel System Repair
Expert Cummins fuel system diagnostics and repair. High-pressure common rail service, injector testing and replacement, fuel pump repair, fuel contamination cleanup, and fuel system priming.
Turbocharger Service
Complete Cummins turbocharger diagnostics, repair, and replacement. Variable geometry turbo (VGT) actuator service, wastegate repair, boost leak testing, and turbo rebuilds.
Cummins Electrical/ECM
Advanced Cummins electrical and ECM diagnostics. INSITE software programming, sensor replacement, wiring harness repair, module reflash, and fault code troubleshooting.
Mobile Cummins Service
On-site Cummins engine repair throughout West Central Ohio. Mobile diagnostics with Cummins INSITE, emergency repairs, preventive maintenance, and fluid sampling at your location.
Cummins Fleet Programs
Customized fleet maintenance programs for Cummins-powered fleets. Scheduled oil sampling, preventive maintenance intervals, priority service, volume pricing, and detailed reporting.
Our Service Process
We follow a proven process to ensure quality results every time
Cummins INSITE Diagnostics
Full electronic diagnostics using Cummins INSITE software to read fault codes, monitor engine parameters, and identify root cause issues
Mechanical Inspection
Thorough visual and mechanical inspection of the engine, turbo, aftertreatment, cooling, and fuel systems to complement electronic findings
Repair Plan & Estimate
Clear explanation of findings with repair recommendations, OEM vs aftermarket parts options, timeline, and transparent pricing
Expert Engine Repair
ASE-certified technicians perform repairs following Cummins service procedures with quality parts and proper torque specifications
Performance Verification
Post-repair testing including road test, data logging, regeneration verification, and INSITE parameter confirmation
Documentation & Follow-Up
Complete service documentation with warranty details, maintenance recommendations, and follow-up scheduling if needed
Why Choose Wayne Truck & Trailer for Cummins Engine Repair Service?
Service Pricing
Starting Price
Warranty
Payment Options
Pricing factors include:
Our Work
See examples of our professional cummins engine repair service services

Cummins INSITE diagnostics

ISX engine overhaul service

Turbocharger rebuild service

Aftertreatment/DPF service

Fuel system service

Mobile Cummins service
What Our Customers Say
Frequently Asked Questions
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Emergency Service Available
Breakdowns don't follow business hours. Our Emergency response team is ready to help you any time, day or night.
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