Technical register for agricultural, construction and commercial machinery · sourced data

Caterpillar 245B Series II

Series: Caterpillar Hydraulic Excavator

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The Caterpillar 245B Series II belongs to the Caterpillar Hydraulic Excavator series. The engine delivers 268.5 kW, has 6 cylinders, with a displacement of 14,600.9 cm³. Rated speed is 2,100 rpm. The unladen weight is 64,150 kg. Ground clearance is 762 mm. The tank holds 682.1 litres. The pump delivers 878.2 l/min. The hydraulic tank holds 729.1 litres. Working pressure is 310.3 bar. The cooling system holds 77.6 litres. The oil fill is 46.6 litres. The electrical system runs on 24 V. The engine fitted is the 3406B. The Caterpillar Hydraulic Excavator series covers 135 models. Rated output within it ranges from 30.1 to 1,096.2 kW; the 245B Series II sits in the lower part of that range with 268.5 kW. Its immediate neighbours are the 345C L below it with 257.3 kW and the 345D L above it with 283.4 kW. Unladen weight within it ranges from 5,087.9 to 316,600 kg; here the 245B Series II sits in the lower part of that range with 64,150 kg. 1166 Caterpillar models across 67 series are on record.

Caterpillar 225 to 245 — Cat's first generation of hydraulic excavators

The numeric codes in the “Caterpillar Hydraulic Excavator” collective entry, such as 205, 215, 225, 235 or 245, come from Cat's early 200-series: in 1972 the 225 became Caterpillar's first production-ready hydraulic excavator, weighing around 24 tons with 135 horsepower.

Read on 4 more paragraphs

1973 brought the considerably larger 235, around 40 tons and 195 horsepower, and 1974 the 245 at roughly 66 tons and 325 horsepower, then the largest in the line, available as either a backhoe or a face-shovel configuration. The smaller 215 only joined in 1976 and, unlike the other models, was built by the German manufacturer Eder in Gosselies, Belgium.

The number itself therefore does not follow a strict weight formula but grew historically with each new model launch — it mainly marks the relative position within the product family rather than a fixed tonnage key like in newer series.

In today's collective entry the range runs from compact excavators around 30 kW up to large mining machines around 1,000 kW and well over 300 tons. When buying used, check bucket-tooth, bushing and pin wear as well as any leaks around the boom.

In short: 225, 235, 245 and 215 reflect the historical model order, not a fixed size grid — anyone who needs the exact operating range should check the individual model.

Sources: SpecCodex register, model data: Caterpillar Hydraulic Excavator, Geschichte der fruehen Caterpillar-Hydraulikbagger 200er-Reihe, Excavator Evolution, Caterpillar Unternehmensseite

Technical data

Engine

Engine model3406Bcorrect
Power268.5 kWcorrect
Rated speed2,100 rpmcorrect
Cylinders6correct
Displacement14,600.9 cm³correct
Aspirationturbocharged and aftercooledcorrect
Coolant capacity77.6 lcorrect
Engine oil capacity46.6 lcorrect

Dimensions and weights

Ground clearance762 mmcorrect
Unladen weight64,150 kgcorrect

Working data

Pump flow878.2 l/mincorrect
Hydraulic oil capacity729.1 lcorrect
Hydraulic pressure310.3 barcorrect
Fuel tank capacity682.1 lcorrect

Other data

Cab height3,608.8 mmcorrect
System voltage24 Vcorrect

More machines with this engine (3406B, 2)

Where this model stands

Power-to-weight ratio: 4.2 kW/t (268 kW / 64.2 t)

Stronger than 89% of the excavators & compaction in the register — out of 1,650 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Caterpillar 245B Series II have?

The Caterpillar 245B Series II delivers 268 kW.

How much does the Caterpillar 245B Series II weigh?

The unladen weight is 64,150 kg.

What engine does the Caterpillar 245B Series II have?

6 cylinders, 14,601 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 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

Sources: RitchieSpecs equipment specifications (retrieved August 2026) · How we check the data

Excavator in 3D section

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