Bobcat Operator Display Code 42 - DPF Regen Required
The BOBCAT-CODE-42 (Bobcat) diesel fault code means: Bobcat Operator Display Code 42 - DPF Regen Required. This is a moderate severity code.
Unverified. We could not confirm this code's definition against freely available manufacturer documentation, so treat the meaning, severity and fix guidance on this page as unconfirmed. Check it against the manufacturer's service information for your exact model and serial range before acting on it. This page is kept out of search engines for that reason, and we are working through this family manual by manual.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- intermediate
- Estimated cost
- $0-$2,500 depending on sub-system
What Are the Symptoms of BOBCAT-CODE-42?
- Regen lamp flashing
What Causes BOBCAT-CODE-42? (Most Likely First)
- See specific cluster advice for this code family Varies
- Harness / sensor fault in affected system Likely
Can I Still Drive with BOBCAT-CODE-42?
Yes, but fix soon. BOBCAT-CODE-42 is rated moderate severity. It is not an immediate stop-driving fault, but it will not clear itself — book the repair rather than ignoring it.
Frequently Asked Questions
What is Bobcat code CODE-42?
Bobcat CODE-42: Bobcat Operator Display Code 42 - DPF Regen Required. This code is reported on Bobcat equipment running the described engine family.
Can I keep working with Bobcat code CODE-42?
Usually drivable short-term, but fix soon to avoid derate or DPF issues.
How much does Bobcat CODE-42 cost to fix?
Estimated repair cost: $0-$2,500 depending on sub-system. Off-road diesel shop labor runs $125-$175/hr in 2026. Dealer diagnostic software (Bobcat Service Analyzer) is usually required.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose BOBCAT-CODE-42?
Refer to Bobcat Operation & Maintenance Manual code list.
Run parked regen at safe location.
If persistent, connect Bobcat Service Analyzer for full SPN/FMI.
Which Vehicles Commonly Get BOBCAT-CODE-42?
- Bobcat S650 skid steer loader (Kubota V3800)
- Bobcat S740 / S750 / S770 / S850 skid steer loaders (Kubota V3800)
- Bobcat T650 / T750 / T770 / T870 compact track loaders (Kubota V3800)
- Bobcat E50 / E55 / E60 / E85 mini excavators (Kubota V3800)
- Bobcat UW56 utility vehicle (Kubota V3800)
- Bobcat S630 / S650 skid steer loaders (Doosan D24)
- Bobcat S770 / S850 skid steer loaders (Doosan D34)
- Bobcat T630 / T650 / T870 compact track loaders (Doosan D24/D34)
- Bobcat E55 / E85 mini excavators (Doosan D24)
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