Coolant Temperature High
The KUBOTA-E04 (Kubota) diesel fault code means: Coolant Temperature High. This is a critical severity code.
- Keep driving?
- No — stop driving
- DIY difficulty
- advanced
- Estimated cost
- Free clean, $200-$400 fan clutch
What Are the Symptoms of KUBOTA-E04?
- Kubota cluster displays E04
What Causes KUBOTA-E04? (Most Likely First)
- Blocked rad fins Very Likely
Can I Still Drive with KUBOTA-E04?
No — stop driving. KUBOTA-E04 is rated critical severity. Continuing to drive in this state risks further damage — get it looked at before your next trip.
Frequently Asked Questions
What is Kubota code E04?
Kubota E04 means: Coolant Temperature High. Critical code -- stop operating until repaired.
Can I keep using my Kubota with E04?
Critical fault -- do not operate; tow or trailer to a dealer. Use Kubota Diagmaster software (dealer tool) for full diagnostics.
How much does E04 cost to fix on a Kubota?
Repair cost range: Free clean, $200-$400 fan clutch. Compact-tractor labor is typically $110-$150/hr in 2026.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose KUBOTA-E04?
Clean radiator, check coolant, verify fan clutch.
Which Vehicles Commonly Get KUBOTA-E04?
- Kubota BX1880 / BX2380 / BX23S sub-compact tractors
- Kubota L2501 / L3301 / L3901 utility tractors
- Kubota L4060 / L4760 / L5060 / L5460 grand L tractors
- Kubota M5-091 / M5-111 utility tractors
- Kubota M6S-111 / M7060 / M7-132 / M7-152 tractors
- Kubota MX5400 / MX6000 utility tractors
- Kubota SVL65-2 / SVL75-2 / SVL95-2s skid steer loaders
- Kubota SSV65 / SSV75 skid steer loaders
- Kubota RTV-X1100C / RTV-X1140 / RTV1140CPX utility vehicles
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