New Holland 86027395 Gearbox Module

The New Holland 86027395 is a chassis/gearbox control module used in the 8670–8970 series of tractors and related construction equipment. Common failure points on this class of modules include burned or damaged surface‑mount components, cracked PCBs from vibration, and failed power‑regulation ICs that can cause intermittent loss of signal to the gearbox or shift system. First‑check diagnostics: verify the 24 V DC supply rail and confirm it is within ±5 % of spec; inspect the board for visible burn marks, corrosion, or cracked traces; and review any diagnostic codes from the tractor’s on‑board computer that reference the chassis control module.[oss-gpt-20b]

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We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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