JCB's JS-series excavators sit on a hydraulic system built around a Kawasaki main pump — not a JCB-branded one. This is deliberate: Kawasaki's K3V axial piston pumps are proven, widely serviceable, and well suited to JCB's load-sensing hydraulics. It also means genuine spares availability in India is tied to Kawasaki's supply chain, which is exactly where PumpGrid's sourcing expertise sits.
Which Pump Powers Your JCB Excavator?
| JCB Model | Main Pump | Pump Source | Pressure | Displacement | Price |
|---|---|---|---|---|---|
| JS130 / JS130LC | K3V63DT | Kawasaki | 250 bar | 63 cc/rev | WhatsApp for price |
| JS145 / JS160 | K3V63DT (tandem) | Kawasaki | 280 bar | 2 x 63 cc/rev | WhatsApp for price |
| JS200 / JS210 / JS220 | K3V112DT / K3V140DT | Kawasaki | 350 bar | 112-140 cc/rev | WhatsApp for price |
| 85Z-1 (Mini) | A10VO74 | Bosch Rexroth | 350 bar | 74 cc/rev | WhatsApp for price |
*Indicative prices. Actual prices vary by condition, availability and market. WhatsApp for current quote.
Why JCB Doesn't Make Its Own Excavator Pump
The Component Strategy
Unlike Komatsu or Caterpillar, which design their own hydraulic pumps in-house, JCB sources its main pumps externally — Kawasaki for the JS-series excavators, and Bosch Rexroth for the 3CX/4CX backhoe loader range. This keeps JCB focused on the chassis, engine integration, and hydraulic circuit design, while relying on specialists for the pump itself.
What This Means for Spares
Because the pump is Kawasaki, not proprietary JCB, a correctly matched Kawasaki K3V unit is a genuine, correct-spec replacement — not a generic aftermarket substitute. This is why we supply to Kawasaki's tolerances rather than treating it as a JCB-only part.
What Our Quality Process Covers
Full teardown of the K3V unit. Piston and slipper wear measured against Kawasaki tolerance. Cylinder barrel and valve plate flatness checked. Shaft seal, O-rings, and servo piston seals replaced as standard. Reassembled and bench tested at rated pressure with flow measurement. Written report issued before dispatch.
Why Contractors Choose JCB Pumps From PumpGrid
JCB Dealer Wait: 3-6 Weeks. Ours: 2-3 Days
JCB's official parts network is strong on filters and wear parts, but a K3V112DT or K3V140DT main pump often has to be sourced from a regional distribution centre — a 3-6 week wait is common. PumpGrid stocks units ready to dispatch.
₹60,000-₹1.2 Lakh Saved Per Unit
A K3V pump from PumpGrid delivers strong value against the JCB dealer channel — without any compromise on the tested output.
Documentation for Government & NHAI Projects
Contractors on government infrastructure and NHAI road packages need paperwork for every replaced component. Our written test report — with actual pressure and flow figures — meets that requirement.
Warranty Backed in Writing
3-month minimum warranty confirmed at the quote stage. If the pump fails due to a workmanship defect within warranty, we replace it, not repair it.
Is Your JCB Excavator Showing These Signs?
If 2 or more of the above apply, the K3V pump likely needs quality process. WhatsApp us the symptoms and machine hours — we'll advise the most cost-effective option.