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Case CX800B

Series: Case Hydraulic Excavator

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The CX800B from Case is part of the Case Hydraulic Excavator series. The engine delivers 396.7 kW, has 4 cylinders, with a displacement of 15,700.4 cm³. Torque is 2,250.1 Nm. Rated speed is 1,800 rpm. The unladen weight is 81,000 kg. Ground clearance is 460.2 mm. Top speed is 5.6 km/h. The fuel is diesel. The engine fitted is the Isuzu 6 WG1T. The Case Hydraulic Excavator series covers 56 models. Rated output within it ranges from 65.6 to 396.7 kW; the CX800B sits at the top of that range with 396.7 kW. Its immediate neighbours are the CX800 below it with 369.1 kW. 620 Case models across 22 series are on record. The model is listed under Excavators & compaction. 10 verified figures from 1 source are on file.

Technical data

Engine

Engine modelIsuzu 6 WG1Tcorrect
Fueldieselcorrect
Power396.7 kWcorrect
Rated speed1,800 rpmcorrect
Torque2,250.1correct
Cylinders4correct
Displacement15,700.4 cm³correct

Dimensions and weights

Ground clearance460.2correct
Unladen weight81,000 kgcorrect

Drivetrain and chassis

Top speed5.6 km/hcorrect

Where this model stands

Power-to-weight ratio: 4.9 kW/t (397 kW / 81 t)

Stronger than 95% 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 Case CX800B have?

The Case CX800B delivers 397 kW.

How much does the Case CX800B weigh?

The unladen weight is 81,000 kg.

What engine does the Case CX800B have?

4 cylinders, 15,700 cm³ displacement, Diesel.

How fast does the Case CX800B go?

Top speed is 5.6 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.
  • 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 10 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]

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