Class 8 tractor repair costs
Sleeper and day cab tractors. Highest labour rates, highest parts cost, and the class where downtime is priced in lost revenue per day rather than inconvenience.
10 priced repairs
Full range across every scenario on each page, cheapest first. All figures are provisional until our receipt dataset has a sample.
| Repair | Applies to | Typical range |
|---|---|---|
| Air Compressor Replacement Costin review | Class 8 tractor, Class 6–7 medium duty, Class 3–5 | $123–$5,720 |
| DPF Cleaning Costin review | Class 8 tractor, Class 6–7 medium duty, Class 3–5, Diesel pickup | $200–$2,250 |
| Truck Differential Repair and Rebuild Costin review | Class 8 tractor, Class 6–7 medium duty, Class 3–5 | $228–$18,460 |
| Turbocharger Replacement Costin review | Class 8 tractor, Class 6–7 medium duty, Class 3–5, Diesel pickup | $475–$6,180 |
| Diesel Injector Replacement Costin review | Class 8 tractor, Class 6–7 medium duty, Class 3–5, Diesel pickup | $550–$10,360 |
| DEF Pump Replacement Costin review | Class 8 tractor, Class 6–7 medium duty, Class 3–5, Diesel pickup | $688–$5,180 |
| Truck Transmission Repair and Replacement Costin review | Class 8 tractor, Class 6–7 medium duty, Class 3–5 | $750–$17,780 |
| EGR Cooler Replacement Costin review | Class 8 tractor, Class 6–7 medium duty, Class 3–5, Diesel pickup | $850–$10,200 |
| Clutch Replacement Costin review | Class 8 tractor, Class 6–7 medium duty, Class 3–5 | $1,025–$6,560 |
| In-Frame Engine Overhaul Costin review | Class 8 tractor, Class 6–7 medium duty | $7,625–$57,400 |
Fault codes that lead into these repairs
- SPN 46 FMI 1Pneumatic Supply Pressure — Below Normal, Most SevereOut of service
- SPN 3364 FMI 2DEF Quality / Concentration — Data Erratic or IncorrectDerate risk
- SPN 5246 FMI 0SCR Operator Inducement — Most Severe Level ActiveOut of service
- SPN 4364 FMI 18SCR Conversion Efficiency — Below Normal, Moderately SevereDerate risk
- P20EESCR NOx Catalyst Efficiency Below Threshold — Bank 1Derate risk
- SPN 3719 FMI 0DPF Soot Load — Above Normal, Most SevereDerate risk
- SPN 1569 FMI 31Engine Protection Torque Derate — Condition ExistsDerate risk
- P0402EGR Flow Excessive DetectedCaution
- SPN 3251 FMI 0DPF Differential Pressure — Above Normal, Most SevereDerate risk
- SPN 3216 FMI 16SCR Inlet NOx Sensor — Reading Above Normal RangeCaution
- SPN 168 FMI 1Battery Potential / Power Input 1 — Below Normal, Most SevereCaution
- P226CTurbocharger Boost Control A — Slow ResponseCaution
Shops that handle this work
We call every shop before it appears here, and publish the date.
Sample records only — seeded to demonstrate the directory. None of these numbers has been called.
Memphis, TN · 24/7 · mobile service
Indianapolis, IN · Mon-Fri 6am-6pm · mobile service
Laredo, TX · Mon-Sat 6am-9pm · mobile service
Phoenix, AZ · 24/7 · mobile service