The Newer Zaxis Generation — A Genuinely Different Pump From the Older EX210LC
The ZX210 (Zaxis) succeeded the EX210LC in Hitachi's product line, and despite occupying the same 21-tonne class, it runs a genuinely different pump — a Kawasaki K5V140DT rather than the older machine's K3V112DT. Higher displacement (140 cc/rev vs 112 cc/rev) reflects real generational improvement in hydraulic performance, not just a naming refresh.
Hitachi's Zaxis generation, marked by the "ZX" prefix, represented a genuine hydraulics upgrade over the earlier EX-generation machines — the ZX210's K5V140DT delivers more displacement than the EX210LC's K3V112DT despite both sitting in the same nominal 21-tonne weight class. If you're ordering a pump for a 21-tonne Tata Hitachi excavator, confirming EX vs ZX generation from the nameplate is the single most important check before purchase.
| Spec | Value |
|---|---|
| Pump Model | Kawasaki K5V140DT |
| Max Operating Pressure | 350 bar |
| Displacement | 140 cc/rev |
| Equipment Class | 21-tonne excavator (Zaxis generation) |
| Predecessor Model | EX210LC — different pump, see dedicated page |
Confirm your exact generation (EX vs ZX) and pump nameplate before ordering — WhatsApp a photo for a precise match.
Measured against Kawasaki's original K5V140DT tolerance specification.
We confirm ZX vs EX generation from your machine's exact model before quoting — these run different pumps despite the shared 21-tonne class.
Replaced as standard on every unit.
Verified at 350 bar rated pressure, output documented on the written test report.