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

9 models in this series

Komatsu PC-MR – mini excavators with short tail swing

Komatsu PC18MR-3
Pictured: Komatsu PC18MR-3

Komatsu was founded on 13 May 1921 in Komatsu, Ishikawa Prefecture, Japan, by Meitaro Takeuchi and is the world's second-largest maker of construction and mining equipment after Caterpillar. Its PC series ranges from mini to large excavators. The MR models are zero-tail-swing mini excavators: according to trade press, the PC18MR-3 has a 715 mm tail radius and an undercarriage that narrows to 980 mm.

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Typical uses are landscaping, pipeline work, indoor demolition and small building jobs in confined spaces.

Listed in the register: Komatsu PC18MR-3, PC30MR-3 and PC45MR-3.

Sources: Wikipedia Komatsu, PlantSpecs PC18MR-3

Models compared

4 of 4 models.

PC18MR-3 PC20MR-3 PC30MR-3 PC45MR-3
Rated speed 2,600 rpm 2,500 rpm 2,400 rpm 2,400 rpm
Cylinders 3 – 3 4
Fuel tank capacity 19.3 l 28 l 44.3 l 65.1 l
Length 3,650 mm 3,750 mm 4,560 mm 5,240 mm
Width 1,280 mm 1,450 mm 1,550 mm 1,980 mm
Height 2,410 mm 2,520 mm 2,520 mm 2,560 mm
Unladen weight 1,780 kg 2,160 kg 3,140 kg 4,760 kg

Models

Mini excavator in 3D section

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

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