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Kato HD308US

Series: Kato Midi Excavator

Source: https://commons.wikimedia.org/wiki/File:KATO_HD_308_US_Super

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The Kato HD308US belongs to the Kato Midi Excavator series. The engine delivers 55.2 hp (40.6 kW), has 4 cylinders, with a displacement of 3,059.5 cm³. Torque is 191 Nm. Rated speed is 2,100 rpm. The unladen weight is 7,100 kg. Ground clearance is 362.7 mm. The tank holds 100.3 litres. Maximum torque is reached at 1,800 rpm. The pump delivers 154.4 l/min. The hydraulic tank holds 95 litres. Working pressure is 314 bar. The cooling system holds 11.4 litres. The oil fill is 9.8 litres. The electrical system runs on 24 V. The engine fitted is the CC-4JG1. The Kato Midi Excavator series covers 3 models. Rated output within it ranges from 54.7 to 57.2 hp; the HD308US sits in the lower part of that range with 55.2 hp. Its immediate neighbours are the HD250VII below it with 54.7 hp and the HD307 above it with 57.2 hp. 62 Kato models across 5 series are on record. The model is listed under Excavators & compaction. 18 verified figures from 1 source are on file.

Technical data

Engine

Engine model	CC-4JG1correct
Power	55.2 hp (40.6 kW)correct
Rated speed	2,100 rpmcorrect
Torque	191correct
Speed at max. torque	1,800 rpmcorrect
Cylinders	4correct
Displacement	3,059.5 cm³correct
Coolant capacity	11.4 lcorrect
Engine oil capacity	9.8 lcorrect

Dimensions and weights

Ground clearance	362.7correct
Unladen weight	7,100 kgcorrect

Drivetrain and chassis

System voltage	24 Vcorrect

Working data

Pump flow	154.4 l/mincorrect
Hydraulic oil capacity	95 lcorrect
Hydraulic pressure	314 barcorrect
Fuel tank capacity	100.3 lcorrect

Other data

Height	2,603correct

Where this model stands

Power-to-weight ratio: 5.7 kW/t (41 kW / 7.1 t)

Stronger than 10% 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 HD308US have?

The Kato HD308US delivers 55.2 hp.

How much does the Kato HD308US weigh?

The unladen weight is 7,100 kg.

What engine does the Kato HD308US have?

4 cylinders, 3,060 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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