Komatsu HD605-7E0
Series: Komatsu Rock Truck
Not the right version? The data comes from vehicle registers holding many near-identical versions side by side. Photograph the data plate — we read make and type from it. Open the scanner e-mail address required
The Komatsu HD605-7E0 belongs to the Komatsu Rock Truck series and, like the other HD trucks, is a haul truck with mechanical drive, meaning without a generator and wheel motors. The SAA6D170E-5 engine has six cylinders and 23,150 cm³ displacement, works with a turbocharger, aftercooling and cooled exhaust gas recirculation and turns at a rated speed of 2,000 rpm.
Top speed is 70 km/h. The wheelbase measures 4,300.7 mm, the length 9,357.4 mm and the cab height 4,401.3 mm. The cab sits high above the ground, which gives the driver a view of the loading edge and the road.
Anyone looking for the HD605-7E0 will find several sister models in the database with the same engine and wheelbase. Identification therefore works best through the full type designation with the E0 suffix and the vehicle serial number, since engine and chassis alone are not enough to tell the model from its sister trucks.
Komatsu Rock Truck HD785 to 960E: rigid haulers split between mechanical and electric drive, 171 to 2,495 kW, 6 to 18 cylinders
At Komatsu, "HD" marks the classic rigid-frame dump trucks with mechanical drivetrains, while the model number indicates payload class: the HD785 carries a manufacturer-rated payload of 92.2 tonnes. Models with the "E" suffix, such as the 830E, 930E and 960E, use diesel-electric drive instead – the diesel engine powers a generator that feeds two wheel motors on the rear axle through cabling, with no mechanical transmission.
Read on 4 more paragraphs
The number after the dash, as in 730E-7 versus 730E-8, marks the build generation. The "Komatsu Rock Truck" bucket here groups 35 live-listed models across both drive types, from smaller rigid HD haulers to the largest electric-drive trucks.
The technical spread is wide: among 33 models with recorded displacement, values run from 12,175 to 78,000 cm³, and cylinder count among 25 models spans 6 to 18 – figures consistent with the huge drive engines used in electric haulers. Among 19 models with recorded power, output ranges from 171 to 2,495 kW.
Buying used, operating hours and the engine's service history matter most; on diesel-electric models, also check the traction alternator and wheel motors. Models such as 830E, HD780, 730E-8 and 930E-4 appear across the listed inventory.
Generation (the dash number), drive type (the E suffix or its absence) and payload class (the model number) together make up the full code of a Komatsu haul truck.
Sources: SpecCodex register, model data: Komatsu Rock Truck, – Komatsu Muldenkipper HD785-8 (Nenn-Nutzlast 92,2 t), – Komatsu 830E (dieselelektrischer Antrieb) (Wikipedia)
Technical data
Engine
| Engine model | SAA6D170E-5correct |
|---|---|
| Rated speed | 2,000 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 23,150 cm³correct |
| Aspiration | Turbo-charged, air-to-air after-cooled, cooled EGRcorrect |
Dimensions and weights
| Length | 9,357.4 mmcorrect |
|---|---|
| Wheelbase | 4,300.7 mmcorrect |
Drivetrain and chassis
| Top speed | 70 km/hcorrect |
|---|
Other data
| Cab height | 4,401.3 mmcorrect |
|---|
More machines with this engine (SAA6D170E-5, 7)
Frequently asked questions
What engine does the Komatsu HD605-7E0 have?
6 cylinders, 23,150 cm³ displacement.
How fast does the Komatsu HD605-7E0 go?
Top speed is 70 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.
- 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 9 individual figures for this model. They come from 2 recorded sources; 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: RitchieSpecs equipment specifications (retrieved August 2026) · komatsu.com (retrieved October 2026) · How we check the data
Dump truck in 3D section
Turn the model, look inside and click an assembly — each one is explained.
