What is the Common Width Size of Mini Diggers for Use in Limited Access Spaces?

Two common width sizes determine the width of a compact mini digger. First and foremost, the expanded width of the digger tracks is measured. That value likely sits around the 1250mm mark, give or take a few hundred millimetres. At the top end of the mini excavator spectrum, larger models can get as wide as 1750mm. Sub 2m wide models crown the range. Again, these are the expanded widths.

Equipped With an Undercarriage Retraction Mode

When limited access spaces stymy a mini digger, the operator stops the excavator. The next move is to shrink the track width, to make the distance between the two sides of the undercarriage smaller so that the little excavator can move easily through a small gap and navigate a restricted pathway. Activating the undercarriage retraction mode, the dimensions listed in the opening paragraph drop significantly. For instance, on employing a 1250mm model, the common width size can be dropped down to 990mm. However, there are drawbacks to this mode of operation. For starters, the manual of the digger should be read to see if this retraction mode can be used while the digger is working. Odds are, the crawler retraction feature is only intended to get the vehicle past the narrow access site. Once past, the crawlers need to be expanded so that the mini digger maximizes its sure-footed driving and digging capabilities.

Limited by Blade Width Dimensions

Retractable tracks are used in numerous space restriction scenarios to overcome pathway bottlenecks. Only, this feature isn’t always available, not if the mini digger is fitted with a blade. If the equipment is fitted with a backhoe or articulating bucket, this metal limb can be folded away while the crawlers retract. However, for blade-mounted equipment at least, even if the crawler width drops down below 1000mm, that’s not going to help the situation if the blade is over 1100mm wide. Therefore, looking at those blade-equipped models, they don’t commonly feature an undercarriage retraction mode. Interestingly, some forward-thinking equipment manufacturers have minimized this issue somewhat by incorporating an angled blade, an assembly that can move obliquely by up to 25-degrees, right or left.

If a client is headed over to a suburban region of a labyrinthine city, consider the points mentioned in the above passages of text. Blade width problems do remove flexible undercarriage retraction options from advanced mini digger configurations, so take this feature into account. If the project doesn’t require a blade-equipped mini digger, a common width size of 1750mm is entirely achievable. Without the blade, possibly with an obliquely mounted blade, the width of a mini excavator can be slimmed down to a skinny 990mm wide undercarriage.

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