Komatsu are well known for their tracked dozer range. Called ‘crawler dozers’ by Komatsu, they are available in operating weights from 8 to 108 tonnes, Komatsu bulldozers have a unique undercarriage design and can be equipped with intelligent Machine Control systems. the model range is distinguished by all model names starting with the letter ‘D’ (as with most manufacturers.) the smallest model in the current range is the D51, whilst the most popular model of Komatsu tracked dozer here at Plant Pages is usually the D61 or larger D65 with operating weights between 18.5 and 23.5 tonnes. Adding to the model names, the ‘EX’ is the standard dozer, the low ground pressure model is the ‘PX’ and the wide track model is the ‘WX’.