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

Caterpillar 322B L

Series: Caterpillar Hydraulic Excavator

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The Caterpillar Hydraulic Excavator series from Caterpillar includes the 322B L. The engine delivers 163.2 hp (114.1 kW), has 6 cylinders, with a displacement of 6,604 cm³. Rated speed is 1,950 rpm. The unladen weight is 22,760 kg. Ground clearance is 472.4 mm. The tank holds 340.3 litres. The pump delivers 410.3 l/min. The hydraulic tank holds 265.4 litres. Working pressure is 343.4 bar. The cooling system holds 31.8 litres. The oil fill is 21.6 litres. The electrical system runs on 24 V. The engine fitted is the Cat 3116TA. The Caterpillar Hydraulic Excavator series covers 135 models. Rated output within it ranges from 42.5 to 1,490.4 hp; the 322B L sits at the bottom of that range with 163.2 hp. Its immediate neighbours are the 229D below it with 159.1 hp and the 320E L above it with 166.3 hp. Rated output within it ranges from 30.1 to 1,096.2 kW; here the 322B L sits at the bottom of that range with 114.1 kW. 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: Kennwerte der Modelle Caterpillar Hydraulic Excavator, Geschichte der fruehen Caterpillar-Hydraulikbagger 200er-Reihe, Excavator Evolution, Caterpillar Unternehmensseite

Technical data

Engine

Engine modelCat 3116TAcorrect
Power163.2 hp (114.1 kW)correct
Rated speed1,950 rpmcorrect
Cylinders6correct
Displacement6,604 cm³correct
AspirationTurbocharged and Aftercooledcorrect
Coolant capacity31.8 lcorrect
Engine oil capacity21.6 lcorrect

Dimensions and weights

Ground clearance472.4correct
Unladen weight22,760 kgcorrect

Working data

Pump flow410.3 l/mincorrect
Hydraulic oil capacity265.4 lcorrect
Hydraulic pressure343.4 barcorrect
Fuel tank capacity340.3 lcorrect

Other data

Cab height2,980.9correct
System voltage24 Vcorrect

More machines with this engine (Cat 3116TA, 2)

Where this model stands

Power-to-weight ratio: 5 kW/t (114 kW / 22.8 t)

Stronger than 51% 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 Caterpillar 322B L have?

The Caterpillar 322B L delivers 163 hp.

How much does the Caterpillar 322B L weigh?

The unladen weight is 22,760 kg.

What engine does the Caterpillar 322B L have?

6 cylinders, 6,604 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 17 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]

Excavator in 3D section

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