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Komatsu 730E-7

Series: Komatsu Rock Truck

Source: https://www.komatsu.com.cn/product/minepro-detail-57096.htm

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The Komatsu 730E-7 belongs to the Komatsu Rock Truck series. The engine delivers 1,885.8 hp (1,387 kW), has 16 cylinders. Rated speed is 1,900 rpm. The machine is 12,826 mm long and 6,250 mm high. The wheelbase measures 5,891.8 mm. Ground clearance is 1,143 mm. Top speed is 55.7 km/h. The tank holds 3,217.6 litres. The hydraulic tank holds 730.6 litres. The cooling system holds 408.8 litres. The engine fitted is the SSA16V159. Tyre size: 37,00-R57. The Komatsu Rock Truck series covers 35 models. Rated output within it ranges from 233.2 to 3,548.6 hp; the 730E-7 sits in the middle of that range with 1,885.8 hp. Its immediate neighbours are the HD1200M-1 below it with 1,216.6 hp and the 830E-AC above it with 2,392.7 hp. 1218 Komatsu models across 47 series are on record. The model is listed under Mining equipment. 15 verified figures from 1 source are on file.

Technical data

Engine

Engine modelSSA16V159correct
Power1,885.8 hp (1,387 kW)correct
Rated speed1,900 rpmcorrect
Cylinders16correct
Coolant capacity408.8 lcorrect

Dimensions and weights

Length12,826correct
Height6,250 mmcorrect
Wheelbase5,891.8correct
Ground clearance1,143correct

Drivetrain and chassis

Tyre size37.00-R57correct
Top speed55.7 km/hcorrect

Working data

Hydraulic oil capacity730.6 lcorrect
Fuel tank capacity3,217.6 lcorrect

Frequently asked questions

How much power does the Komatsu 730E-7 have?

The Komatsu 730E-7 delivers 1,886 hp.

What engine does the Komatsu 730E-7 have?

16 cylinders.

How fast does the Komatsu 730E-7 go?

Top speed is 55.7 km/h.

What are the dimensions of the Komatsu 730E-7?

12,826 mm × 6,250 mm.

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.
  • 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 14 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

730E-8

830E

830E-1AC

830E-AC

860E-1K

930E-4

930E-4SE

960E-1

960E-2

960E-2K

980E-4

HD1200-1

Sources: [1]

Dump truck in 3D section

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