This class of machine is the machine you reach for when the work is real but the space is not. MINGYI builds compact crawler excavators in the 08, 12 and 18 model series, covering the 0.8 to 6 tonne class, so a contractor can match machine size to the job instead of forcing a full-size excavator into a gap it cannot enter.
Every unit in daily use we ship is a diesel-hydraulic crawler machine with a swing boom, a quick-change attachment mount and a choice of rubber tracks or steel tracks with rubber blocks.
What a small digger actually does
Digging, ditching, backfilling, breaking and drilling are all carried out by the same base machine — the tool on the end of the dipper arm decides the task. Swap a toothed bucket for a breaker hammer, an auger or a grass rake in a few minutes and one operator keeps working instead of waiting on a second machine.

Because the chassis is narrow and the upper structure swings inside the track footprint, a machine of this size works along walls, between fence posts, inside sheds and across finished paving without stripping the surface first.
Engineered for export markets
MINGYI the equipment on sites are built in China and shipped worldwide. Power unit options include Kubota D722 and D902, YANMAR, Changchai, Laidong, Runtong, YARMAX and Youpu, so buyers can standardise on the parts network they already deal with.

Rubber tracks suit landscaped and paved surfaces. Steel tracks with rubber blocks are available for harder ground and longer track life, and the track type can be specified per machine rather than as a single factory default.
Typical small digger work
• Garden and landscape trenching, planting holes and soil moving
• Utility trenches for water, sewage, cable and gas lines

• Interior demolition, basement backfilling and floor breakout
• Orchard and vineyard ditching, fertilising and weeding
• Small-scale earthmoving on sites where a wheeled loader cannot turn

Tell us your working width, required digging depth and ground conditions, and we will come back with the model and attachment set that fits the job.
Canopy or enclosed cab on a small digger The cab decision follows the climate and the hours. Operators working a full shift in the machine itself benefit from a sealed cab with wipers and heating; operators stepping on and off every few minutes usually prefer the canopy for the visibility and the quick exit. Enclosure also changes noise and dust exposure. A sealed cab on the model in question keeps dust out on dry sites and lets the machine work through weather that would otherwise stop a canopy machine for the day. Quick coupler practice on small digger Couplers are specified early because they affect the arm and the hydraulic kit. Adding one to the machine in that duty after delivery means new pins, new hoses and a fitment session; adding it at build time is a line on the sheet. For a fleet that shares attachments between machines, a common coupler standard matters more than the coupler brand. The unit on the job that picks up the same tools as the larger machines keeps the rack usable across the yard. Attachments that turn small digger into several machines Attachment lists are best written before delivery. Specifying a machine built for the work with the tools the job list needs avoids the work and delay of adding hydraulics later, and a quick coupler makes the swap a few minutes instead of a workshop job. Most of the daily variety on the equipment in service comes from the attachment rack rather than from the machine itself. Bucket, breaker, auger, ripper, rake and grab cover the large majority of the work a contractor will see. Parts, service and support for small digger Engine parts availability usually drives the engine choice. This class of machine built with an engine the local network already carries is serviced from stock rather than from an international order. Remote support is handled by video. The unit in daily use fault can often be diagnosed on a walk-around call with the panel open, which is faster than waiting for a visit and avoids shipping a part that is not needed. Working a small digger through the seasons Weather decides which days are productive. Rain turns some ground unusable and cold changes how a machine of this size starts and warms up, so planning the wet months around maintenance is more useful than planning around output. Seasonal planning smooths the workload. Machines that are busy for a few months and idle for the rest benefit from a service slot in the quiet period, and the equipment on site prepared in the off-season starts the busy months reliably. Working on slopes and uneven ground with the machine itself Ground that looks level often is not. The model in question crossing a filled trench, a soft edge or a hidden void behaves differently from one on undisturbed ground, and those are the places worth walking before driving. Planning the direction of travel helps. Working so that the machine in that duty is stable under load and not required to turn on a slope is a decision made before the job starts, not a correction made during it. Working the unit on the job in confined spaces Clearance above matters as much as around. Door heights, pipework and overhead services set the limit for a machine built for the work indoors, and measuring them first avoids a machine that arrives and cannot be used. Ventilation is the other indoor constraint. Running the equipment in service inside a closed structure needs air movement, and that is a planning item rather than something to discover after the first hour. Trailering and moving this class of machine Transport weight and width decide whether a machine needs a specialist haulier. The unit in daily use sized to travel on a standard plant trailer behind a suitable vehicle moves with the crew rather than on a scheduled low loader. Loading practice matters as much as the numbers. A machine of this size is driven up ramps under its own power with the boom lowered and the tracks aligned, and secured at the points the manufacturer specifies. Road and paving work for the equipment on site Patching and reinstatement favour a machine that can work in a lane closure. The machine itself occupies less road than a full-size excavator, which reduces the traffic management needed and the length of the closure. Breaking out a failed slab and backfilling the same hole in one visit is normal work for the model in question. The breaker and the bucket come off the same coupler, so the road is reopened the same day. Working near live services with the machine in that duty Digging near water, gas and cable is a precision job. The unit on the job is used here because the operator can work in short controlled cuts and because the machine can be positioned without driving over the run being exposed. The risk on utility work is not machine power but machine placement. A machine built for the work that fits the working width leaves the surrounding ground undisturbed, which keeps the trench stable and the reinstatement small. Orchard, vineyard and farm use of the equipment in service Ditching, fertilising and drainage on farmland suit this class of machine because the work is spread over a large area in short bursts. The machine travels behind a pickup and works where it stops. Farms also use the unit in daily use for general maintenance - clearing a watercourse, repairing a track, loading a spreader. One carrier with a few attachments covers most of the jobs that would otherwise wait for a contractor. Landscaping and ground care with a machine of this size Landscape contractors use the equipment on site for planting holes, pond excavation, grading and retaining work. The machine is light enough to cross finished lawn and narrow enough to work between established trees. On soft landscape work the surface is the constraint. The machine itself on rubber tracks crosses turf without stripping it, which is why the same jobs are not given to a wheeled machine. Specification data for the model in question Buyers comparing the machine in that duty usually start from four numbers - weight, digging depth, reach and transport width - because those are the ones that decide whether the machine can be delivered and whether it can do the job once it is there. Every value shown is as built for the unit on the job; options such as cab, side swing or a telescopic undercarriage change the transport dimensions and are confirmed at order stage. Output on a compact machine comes from placement rather than power. An experienced operator keeps a machine built for the work working inside the swing arc, positions once and digs a full run instead of repositioning for every bucket. The second habit is tool discipline. Running the equipment in service with the right bucket width for the trench means less spoil, less reinstatement and a cleaner job than a wide bucket and a lot of trimming.



Reference specification — mini excavator range 15W 20-1W 20-1WL 30-2L Operating weight 1400 kg (3086.47 lb) 1800 kg (3968.32 lb) 1900 kg (4188.78 lb) 2400 kg (5291 lb) Transport size (L×W×H) 2200 × 930 × 2250 mm 2550 × 1100 × 2200 mm 2550 × 1100 × 2200 mm 2800 × 1500 × 2500 mm Max digging depth 1630 mm (64.17 in) 1800 mm (70.87 in) 1800 mm (70.87 in) 2200 mm (86.61 in) Max digging height 2750 mm (108.27 in) 2820 mm (111.02 in) 2820 mm (111.02 in) 2900 mm (114.17 in) Max dumping height 1960 mm (77.17 in) 2050 mm (80.71 in) 2050 mm (80.71 in) 2100 mm (82.68 in) Max digging radius 2900 mm (114.17 in) 3050 mm (120.08 in) 3050 mm (120.08 in) 3330 mm (131.1 in) Max digging distance 2100 mm (82.68 in) 2300 mm (90.55 in) 2300 mm (90.55 in) 2700 mm (106.3 in) Minimum turning radius 1300 mm (51.18 in) 1450 mm (57.09 in) 1450 mm (57.09 in) 1555 mm (61.22 in) Travel speed 3 km/h (1.86 mph) 5 km/h (3.11 mph) 5 km/h (3.11 mph) 7 km/h (4.35 mph) Gradeability 30° 30° 30° 30° Fuel consumption 1-1.3 L/h (0.264—0.343 gal) 2-3 L/h (0.528—0.793 gal) 2-3 L/h (0.528—0.793 gal) 2-3 L/h (0.528—0.793 gal) Fuel tank capacity 10 L (2.64 gal) 16 L (4.23 gal) 16 L (4.23 gal) 16 L (4.23 gal) Hydraulic oil tank 16 L (4.23 gal) 18 L (4.76 gal) 18 L (4.76 gal) 18 L (4.76 gal) Dozer blade lift height 180 mm (7.09 in) 180 mm (7.09 in) 180 mm (7.09 in) 230 mm (9.06 in) Dozer blade drop depth 210 mm (8.27 in) 210 mm (8.27 in) 210 mm (8.27 in) 280 mm (11.02 in)
Q. What is this class of machine?
A. A compact crawler excavator used where the work is real but the space is not: garden and footing work, service trenches, indoor demolition and drainage. MINGYI builds the 08, 12 and 18 models covering the 0.8 to 6 tonne class.
Q. How small can a digger be and still be useful?
A. The smallest machines in the range work through a garden gate or a doorway and still dig a service trench to a controlled depth. Below that size the machine stops being able to carry the tooling the work needs.
Q. Which size should I start with?
A. Start from the access and the trench width. If the machine must pass through a gate or doorway, the compact end of the range fits; if the work is bulk excavation, the larger model does it in fewer passes.
Fuel, oil and fluid quality for the unit in daily use
Contamination is easier to prevent than to cure. Keeping the filler caps sealed, the funnels clean and the containers closed around a machine of this size is unglamorous work that shows up as reliability later.
Wear items and spares worth holding for the equipment on site
The parts that stop a machine are rarely the parts that are hardest to find. Filters, belts, seals and the ground engaging tools on the machine itself are easy to hold and slow to replace, which is why they belong on the shelf rather than on an order.
Keeping a service record for the model in question
Service history also protects the warranty position. Evidence that the machine in that duty was maintained at the specified intervals and with the specified fluids settles questions that would otherwise be argued.
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