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Komatsu SK09J-2

Series: Komatsu Skid Steer Loader

Source: https://www.komatsu.eu/en/product-archive/wheeled-skid-steer

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The Komatsu SK09J-2 belongs to the Komatsu Skid Steer Loader series. The engine delivers 70.8 hp (50 kW), has 4 cylinders, with a displacement of 3,318.4 cm³. Rated speed is 2,300 rpm. The wheelbase measures 999.7 mm. Ground clearance is 240 mm. Top speed is 13 km/h. The tank holds 80.3 litres. The pump delivers 73.1 l/min. The hydraulic tank holds 50.3 litres. Working pressure is 170 bar. The electrical system runs on 12 V. The engine fitted is the 4D98E-1FD. Tyre size: 12 x 16,5. The Komatsu Skid Steer Loader series covers 9 models. Rated output within it ranges from 24.5 to 70.8 hp; the SK09J-2 sits at the top of that range with 70.8 hp. Its immediate neighbours are the SK820-5 below it with 54.7 hp. 1159 Komatsu models across 39 series are on record. The model is listed under Wheel loaders. 16 verified figures from 1 source are on file.

Technical data

Engine

Engine model4D98E-1FDcorrect
Power70.8 hp (50 kW)correct
Rated speed2,300 rpmcorrect
Cylinders4correct
Displacement3,318.4 cm³correct

Dimensions and weights

Wheelbase999.7correct
Ground clearance240correct

Drivetrain and chassis

Tyre size12 x 16.5correct
Top speed13 km/hcorrect
System voltage12 Vcorrect

Working data

Pump flow73.1 l/mincorrect
Hydraulic oil capacity50.3 lcorrect
Hydraulic pressure170correct
Fuel tank capacity80.3 lcorrect

Other data

Height2,106.2correct

Frequently asked questions

How much power does the Komatsu SK09J-2 have?

The Komatsu SK09J-2 delivers 70.8 hp.

What engine does the Komatsu SK09J-2 have?

4 cylinders, 3,318 cm³ displacement.

How fast does the Komatsu SK09J-2 go?

Top speed is 13 km/h.

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.
  • 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 16 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

SK04J-2

SK05J-2

SK1020-5

SK1026-5

SK714-5

SK815-5

SK820-5

SK820-5SF

Sources: [1]

Skid-steer loader in 3D section

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