Caterpillar M312

Series: Caterpillar Mobile Excavator

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 Caterpillar M312 is a model in the Caterpillar Mobile Excavator series. The engine delivers 118.6 hp (87.2 kW), with a displacement of 3,990.3 cm³. The wheelbase measures 2,502.4 mm. Ground clearance is 378 mm. The tank holds 230.2 litres. The pump delivers 270.3 l/min. The hydraulic tank holds 180.2 litres. Working pressure is 329.9 bar. The engine fitted is the 3054 TA. Tyre size: dual 10-20 16PR. The Caterpillar Mobile Excavator series covers 23 models. Rated output within it ranges from 72.1 to 176.4 hp; the M312 sits in the middle of that range with 118.6 hp. Its immediate neighbours are the 214B below it with 111.5 hp and the M315 above it with 123.6 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Excavators & compaction. 12 verified figures from 1 source are on file.

Technical data

Engine

Engine model3054 TAcorrect
Power118.6 hp (87.2 kW)correct
Displacement3,990.3 cm³correct

Dimensions and weights

Wheelbase2,502.4correct
Ground clearance378correct

Drivetrain and chassis

Tyre sizedual 10-20 16PRcorrect

Working data

Pump flow270.3 l/mincorrect
Hydraulic oil capacity180.2 lcorrect
Hydraulic pressure329.9 barcorrect
Fuel tank capacity230.2 lcorrect

Other data

Height3,072.4correct

Frequently asked questions

How much power does the Caterpillar M312 have?

The Caterpillar M312 delivers 119 hp.

What engine does the Caterpillar M312 have?

3,990 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.
  • 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.

Looking for this machine?
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
Request a quote →
Need parts for this model?
We ask the suppliers and come back with price and lead time.
Request spare parts →

This page carries 12 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.

Missing a figure you were looking for? Report it →

Know this machine better? Have a photo, a manual, or know that a figure is wrong? Add it to the register →

Other models in this series

Sources: [1]

Excavator in 3D section

Turn the model, look inside and click an assembly — each one is explained.

Compare