Kobelco 70SR

Series: Kobelco Midi Excavator

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The Kobelco Midi Excavator series from Kobelco includes the 70SR. The engine delivers 40.3 kW, has 4 cylinders, with a displacement of 2,769.4 cm³. Rated speed is 2,100 rpm. The unladen weight is 7,438.9 kg. Ground clearance is 381 mm. The tank holds 85.2 litres. The pump delivers 200.6 l/min. The hydraulic tank holds 90.8 litres. Working pressure is 293 bar. The electrical system runs on 24 V. The engine fitted is the A-4JB1. The Kobelco Midi Excavator series covers 15 models. Rated output within it ranges from 29.3 to 123.8 kW; the 70SR sits at the bottom of that range with 40.3 kW. Its immediate neighbours are the 50SR-3 below it with 30.4 kW and the SK70SR-2 above it with 41 kW. 98 Kobelco models across 6 series are on record. The model is listed under Excavators & compaction. 13 verified figures from 1 source are on file.

Technical data

Engine

Engine modelA-4JB1correct
Power40.3 kWcorrect
Rated speed2,100 rpmcorrect
Cylinders4correct
Displacement2,769.4 cm³correct

Dimensions and weights

Ground clearance381correct
Unladen weight7,438.9 kgcorrect

Drivetrain and chassis

System voltage24 Vcorrect

Working data

Pump flow200.6 l/mincorrect
Hydraulic oil capacity90.8 lcorrect
Hydraulic pressure293 barcorrect
Fuel tank capacity85.2 lcorrect

Other data

Height2,603correct

Where this model stands

Power-to-weight ratio: 5.4 kW/t (40 kW / 7.4 t)

Stronger than 8% 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 Kobelco 70SR have?

The Kobelco 70SR delivers 40.3 kW.

How much does the Kobelco 70SR weigh?

The unladen weight is 7,439 kg.

What engine does the Kobelco 70SR have?

4 cylinders, 2,769 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 13 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: [1]

Excavator in 3D section

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