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The Caterpillar 312 Hydraulic Excavator was introduced in 1993 and produced in both Japan and France. The 312 has a Caterpillar 3054 turbocharged, diesel engine producing 84 flywheel horsepower (FWHP) and a Heaped capacity of 1.0 cu. yd.

Subsequently Caterpillar developed since then the 312B (L), 312C (L), 312D (L) and since 2012, the 312E (L) is the latest member in the 312 series.

At present, the Caterpillar 312E is the flagship of the 312E family. Powered by a Caterpillar C4.4 ACERT™ Engine good for 94hp which meets American EPA Tier 4 and EU Stage IIIB emissions standards. Of the 312 Series Hydraulic Excavator NZG has produced in 1996 the 1:50 scale die-cast model of the Caterpillar 312B. In addition, I am now in possession of a very rare custom-built Caterpillar 312E in 1:50th scale.

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