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Kato HD512III

Series: Kato Hydraulic Excavator

Source: https://www.technikboerse.com/marke/kato-611

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The Kato HD512III belongs to the Kato Hydraulic Excavator series. The engine delivers 92.5 hp (68 kW), has 4 cylinders, with a displacement of 3,911.6 cm³. Torque is 360.1 Nm. Rated speed is 2,050 rpm. The unladen weight is 12,100 kg. Ground clearance is 442 mm. The tank holds 275.2 litres. Maximum torque is reached at 1,600 rpm. The pump delivers 242.3 l/min. The hydraulic tank holds 155.2 litres. Working pressure is 329 bar. The cooling system holds 18.2 litres. The oil fill is 17 litres. The electrical system runs on 24 V. The engine fitted is the C 4D34-TLE2A. The Kato Hydraulic Excavator series covers 40 models. Rated output within it ranges from 83 to 319.6 hp; the HD512III sits at the bottom of that range with 92.5 hp. Its immediate neighbours are the HD512E below it with 89.8 hp and the HD550VII above it with 100.7 hp. 62 Kato models across 5 series are on record. The model is listed under Excavators & compaction. 19 verified figures from 1 source are on file.

Kato HD excavators: how the number signals weight class and MR/LC the undercarriage

Kato has built hydraulic excavators since 1967, marking them with the "HD" code plus a model number. Across several model pairs in the SpecCodex database, the trailing digits of the number visibly track the approximate weight class in tonnes — the 40 recorded HD models span 10,500 to 46,200 kg operating weight, from compact to large building-site excavators.

Read on 3 more paragraphs

Trailing letters denote the body configuration: "MR" (Minimal/Mid Radius) marks machines with an especially short rear overhang for tight job sites, while "LC" (Long Crawler) denotes widened, elongated tracks giving more ground contact on soft terrain. Further suffixes such as "E" or "V" mark additional equipment or control variants within the same weight class.

For the machines recorded in the database, engine output ranges from 61 to 235 kW, displacement from 3,298 to 11,946 cm³, torque from 294 to 1,245 Nm, and cylinder count from 4 to 6.

When buying an MR variant, check the condition of the short rear body and counterweight mounting; on LC models, check track tension and track-pad wear. In general, check the hour meter, hydraulic cylinder seal condition, and test the bucket and boom under load. Models such as HD512, HD820, HD513MR and HD820LC illustrate the range of body configurations.

Sources: Kennwerte der Modelle Kato Hydraulic Excavator, – History, Kato Works Co., Ltd., – HD823MR-8, Kato CME (MR-Bauform), – Kato HD512E, RitchieSpecs, – Kato HD820V, RitchieSpecs

Technical data

Engine

Engine modelC 4D34-TLE2Acorrect
Power92.5 hp (68 kW)correct
Rated speed2,050 rpmcorrect
Torque360.1correct
Speed at max. torque1,600 rpmcorrect
Cylinders4correct
Displacement3,911.6 cm³correct
Aspirationturbochargedcorrect
Coolant capacity18.2 lcorrect
Engine oil capacity17 lcorrect

Dimensions and weights

Ground clearance442correct
Unladen weight12,100 kgcorrect

Working data

Pump flow242.3 l/mincorrect
Hydraulic oil capacity155.2 lcorrect
Hydraulic pressure329 barcorrect
Fuel tank capacity275.2 lcorrect

Other data

Cab height2,712.7correct
System voltage24 Vcorrect

Where this model stands

Power-to-weight ratio: 5.6 kW/t (68 kW / 12.1 t)

Stronger than 23% of the excavators & compaction in the register — out of 1,666 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Kato HD512III have?

The Kato HD512III delivers 92.5 hp.

How much does the Kato HD512III weigh?

The unladen weight is 12,100 kg.

What engine does the Kato HD512III have?

4 cylinders, 3,912 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 19 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

HD1023

HD1023II

HD1023III

HD1023IIILC

HD1023IILC

HD1023LC

HD1250VII

HD1250VIILC

HD1430

HD1430III

HD1430IIILC

HD1430LC

Sources: [1]

Excavator in 3D section

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