JCB Excavator Final Drive Parts — Noise & Leak Checks
Applies to: JCB JS130 / JS200 / mid-size excavators
Quick answer
JCB Excavator Final Drive Parts — Noise & Leak Checks on JCB JS130 / JS200 / mid-size excavators: typical warning signs include Growl or grind from track drive under load; Oil leak at final drive hub. Common causes include Worn planetary gears or bearings; Failed hub / travel motor seals. These notes identify parts to quote — they are not a certified repair procedure.
- Independent OEM-compatible supplier — not affiliated with JCB Ltd.
- Workshops typically RFQ: final drive seal kit.
- Workshops typically RFQ: travel motor seal.
- Workshops typically RFQ: planetary gear.
- Workshops typically RFQ: hub bearing.
Warning signs
- Growl or grind from track drive under load
- Oil leak at final drive hub
- Track speed drop one side
- Metal in final drive oil sample
Common causes
- Worn planetary gears or bearings
- Failed hub / travel motor seals
- Low or wrong grade gear oil
- Contaminated oil after seal failure
Parts to quote
Typical line items workshops search next to this fault. Matched catalogue links go to a verified SKU when found; otherwise open search so you can RFQ by keyword. We confirm fitment before quoting.
More symptom pages: Failure guides
FAQ
Seal kit or full final drive?▼
External leaks with quiet gears often take a seal kit; noise with metal in oil needs deeper strip. Send model, hours, oil photos, and side (L/R) on RFQ.
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Confirm fitment & get a quote
Send machine model, hours, and part photos. We reply with availability, MOQ, and lead time in writing — no invented stock claims.