Technical register for agricultural, construction and commercial machinery · sourced data

Tata Hitachi ZAXIS330

Series: Tata Hitachi Hydraulic Excavator

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The Tata Hitachi ZAXIS330 belongs to the Tata Hitachi Hydraulic Excavator series. The engine delivers 184 kW, has 6 cylinders, with a displacement of 7,790.4 cm³. Torque is 873 Nm. Rated speed is 2,000 rpm. The unladen weight is 31,000 kg. Ground clearance is 502.9 mm. The tank holds 560.2 litres. Maximum torque is reached at 1,700 rpm. The pump delivers 580.3 l/min. The hydraulic tank holds 320.2 litres. Working pressure is 348 bar. The cooling system holds 35.2 litres. The oil fill is 36.3 litres. The electrical system runs on 24 V. The engine fitted is the AA-6HK1X. The Tata Hitachi Hydraulic Excavator series covers 27 models. Rated output within it ranges from 59.7 to 397 kW; the ZAXIS330 sits in the lower part of that range with 184 kW. Its immediate neighbours are the EX350 LCH below it with 169.1 kW and the ZAXIS450LCH above it with 235 kW. Unladen weight within it ranges from 10,700 to 84,000 kg; here the ZAXIS330 sits in the lower part of that range with 31,000 kg. 41 Tata Hitachi models across 8 series are on record.

Tata Hitachi excavators EX and Zaxis – the Indian joint venture since 1984: ZAXIS 110 to ZAXIS 870, Isuzu engines, H and K as market variants, 60 to 397 kW

Tata Hitachi is the joint venture of India's Tata group with Hitachi Construction Machinery, founded in 1984 as Telcon in Jamshedpur and today, with plants in Kharagpur and Dharwad, India's largest excavator maker. The machines are Hitachi designs built for the Indian market and export to South Asia and Africa: the older EX110, EX200 and EX350 correspond to the Hitachi EX generation of the 1990s, the ZAXIS models from 110 to 870 to the Zaxis range from 2001. The number gives the weight class in hundreds of kilograms – ZAXIS 210 about 21 t, ZAXIS 470 about 47 t, ZAXIS 870 about 87 t – LC the long undercarriage with larger footprint, H and K version variants for quarry and earthmoving duty on the Indian market, MTH the mining version.

Read on 3 more paragraphs

The register lists 27 versions with 59.7 to 397 kW from Isuzu engines of 4,330 to 15,682 cm³ – 4BG1 and 6BG1 in the small and medium, 6HK1 and 6WG1 in the big models, a Tata 697 engine in the EX110 – torque from 289 to 2,250 Nm at 1,800 to 2,300 rpm and operating weights from 10,700 to 84,000 kg.

The Isuzu engines and Hitachi hydraulics are identical to the Japanese Zaxis; the difference lies in the equipment, laid out for heat, dust and simpler maintenance, and in the price. The ZAXIS 870 at 84 t is the mining machine of the Jharkhand coalfields.

Used Tata Hitachi excavators are rare outside South Asia; when buying, operating hours, play in slew ring and boom pins, undercarriage condition, leak-free hydraulics and parts supply, which runs through both networks for Isuzu engines and Hitachi hydraulics, are what count.

Sources: SpecCodex register, model data: Tata Hitachi Hydraulikbagger, Tata Hitachi Construction Machinery (manufacturer)

Technical data

Engine

Engine modelAA-6HK1Xcorrect
Power184 kWcorrect
Rated speed2,000 rpmcorrect
Torque873 Nmcorrect
Speed at max. torque1,700 rpmcorrect
Cylinders6correct
Displacement7,790.4 cm³correct
Aspirationturbochargedcorrect
Coolant capacity35.2 lcorrect
Engine oil capacity36.3 lcorrect

Dimensions and weights

Ground clearance502.9 mmcorrect
Unladen weight31,000 kgcorrect

Working data

Pump flow580.3 l/mincorrect
Hydraulic oil capacity320.2 lcorrect
Hydraulic pressure348 barcorrect
Fuel tank capacity560.2 lcorrect

Other data

Cab height3,121.2 mmcorrect
System voltage24 Vcorrect

More machines with this engine (AA-6HK1X, 17)

Where this model stands

Power-to-weight ratio: 5.9 kW/t (184 kW / 31 t)

Stronger than 78% of the excavators & compaction in the register — out of 1,650 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Tata Hitachi ZAXIS330 have?

The Tata Hitachi ZAXIS330 delivers 184 kW.

How much does the Tata Hitachi ZAXIS330 weigh?

The unladen weight is 31,000 kg.

What engine does the Tata Hitachi ZAXIS330 have?

6 cylinders, 7,790 cm³ displacement.

What to check before buying

  • Check the hour meter against the service records — a replaced instrument is the most common gap.
  • Compare the data plate and chassis number with the papers.
  • Check the weights in the papers against the figures here — attachments change them.
  • Load the hydraulics and watch for sag.
  • Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 18 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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Other models in this series

Sources: RitchieSpecs equipment specifications (retrieved August 2026) · How we check the data

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