Skip to main content

JCB Hydraulic Pump Repair Kit — Diagnosis Before Order

Applies to: JCB backhoes & excavators (main / charge pump)

Quick answer

JCB Hydraulic Pump Repair Kit — Diagnosis Before Order on JCB backhoes & excavators (main / charge pump): typical warning signs include Slow lift or dig with engine at rated RPM; Whine or cavitation noise from pump. Common causes include Worn pump internals (gears / pistons / swash); Suction restriction or air leak. 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: hydraulic pump repair kit.
  • Workshops typically RFQ: pump seal kit.
  • Workshops typically RFQ: suction strainer.
  • Workshops typically RFQ: hydraulic filter.

Warning signs

  • Slow lift or dig with engine at rated RPM
  • Whine or cavitation noise from pump
  • Foamy oil or metal in suction strainer
  • Pressure below spec on test gauge

Common causes

  • Worn pump internals (gears / pistons / swash)
  • Suction restriction or air leak
  • Wrong viscosity or contaminated oil
  • Relief valve stuck or mis-set

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.

FAQ

Repair kit vs exchange pump?▼

Share pump model plate, photos of ports, and pressure test notes. Kits suit rebuild shops with clean housings; scored housings need exchange — we quote both paths when data is clear.

Follow RTP on Google

Get future JCB parts, compatibility, maintenance and troubleshooting guides from Rock Tearr Parts.

Preferences are managed by Google. Selecting a preferred source changes what Google shows you — it does not create an account with Rock Tearr Parts.

Find your part →

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.