A 3 tonne compact excavator is the largest machine that still fits through most domestic and light commercial access, and it is the point at which a compact machine delivers output comparable to a much larger excavator on trenching and footing work.
MINGYI builds the 3 tonne class for contractors who need real production but cannot bring a full-size machine onto the site.
Production without the footprint
The larger mass and higher hydraulic flow of a 3 tonne machine allow bigger buckets and faster cycle times, so a trench run that would take a smaller machine most of a day is completed in a fraction of it. At the same time the machine is still compact enough to work between buildings and to be transported on a plant trailer.

For utility, drainage and foundation contracts with repeated trench runs, the case for this class is usually made on cycle time alone.
Heavier attachment duty
A 3 tonne machine runs breaker hammers and augers at higher duty and for longer periods than smaller classes, and it can carry larger buckets and heavier tilting and thumb buckets. The quick-change head keeps the whole attachment set available on one machine.

Three-tonne class work
• High-volume utility and drainage trenching
• Foundations, footings and small structures
• Extended hydraulic hammer and breaker duty

• Land clearance, terracing and site preparation
• Contract work where a larger excavator cannot gain access
Tell us the production rate and access you have to work within and we will specify the 3 tonne machine and attachment package.

Interior and light demolition with 3 ton mini excavator Breaking out a floor slab, a wall footing or a concrete step is routine work for this class of machine with a breaker. The machine is small enough to work inside and heavy enough to run the tool at a practical rate. Dust, debris clearance and floor loading all argue for a compact machine indoors. The unit in daily use spreads its weight over a wider track footprint than a wheeled machine of similar capacity. Getting 3 ton mini excavator through a narrow gap The first question on most job lists is whether the machine can reach the work at all. A machine of this size is chosen against the narrowest point on the route - a garden gate, a doorway, a gap between two walls - because a machine that arrives and then cannot pass loses a day, not an hour. Contractors who buy the equipment on site normally have one job in mind that nothing else reaches. The purchase order follows the access measurement, not the other way round, and the build sheet is then settled around it. Lifting and material handling with a 3 ton mini excavator Lifting with a machine built to dig needs a plan. The load, the radius and the ground under the model in question all matter, and the safe figure is the one on the chart rather than the one that looks possible. Stability changes with reach. A load the machine itself handles close in becomes a different proposition at full extension, so the working radius belongs in the plan before the lift rather than during it. Running 3 ton mini excavator in a rental fleet Rental fleets buy for utilisation, not for a single job. The machine in that duty with a quick coupler and a common attachment standard is hired more often because it suits more of the calls that come in. The specification that rents best is usually the simplest one to explain at the counter. The unit on the job with rubber tracks, a canopy and a coupler covers the majority of weekend and short-term hires. Track choice for 3 ton mini excavator Rubber tracks suit paved and landscaped ground because they spread the machine weight and leave the surface intact. Steel tracks with rubber blocks are specified where the ground is rougher or the working day is longer, and the choice can be made per machine rather than accepted as a factory default. Undercarriage selection is a ground question, not a preference question. A machine built for the work running on finished paving needs rubber; the same machine on demolition rubble or rock wears rubber quickly, so steel with rubber blocks becomes the better answer over a full season. Municipal and public works with the equipment in service Drainage repair, tree planting, footway reconstruction and cemetery work are all within the range of this class of machine. The jobs are small individually and continuous across the year. Noise and surface protection matter on public work. The unit in daily use on rubber tracks across paving, with a sealed cab for the operator, suits the conditions better than a larger tracked machine. Working near live services with a machine of this size Digging near water, gas and cable is a precision job. The equipment on site 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. Utility crews specify the machine itself with a narrow bucket and good visibility for exactly this reason: the machine has to stop at the service, not at the edge of the operator's view. Orchard, vineyard and farm use of the model in question Orchard and vineyard work is carried out between rows. The machine in that duty with a narrow chassis and a swing boom works down the row without damaging the trees, which is the reason a full-size machine is not used at all. Farms also use the unit on the job 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. Trailering and moving a machine built for the work Transport weight and width decide whether a machine needs a specialist haulier. The equipment in service sized to travel on a standard plant trailer behind a suitable vehicle moves with the crew rather than on a scheduled low loader. Detachable components reduce transport length. This class of machine built with a removable arm section or a folding step fits a shorter trailer and may avoid an oversize movement permit. Hydraulic circuits on the unit in daily use Auxiliary hydraulic lines are what let a machine drive a tool rather than only a bucket. A machine of this size specified with the right circuits and flow runs a breaker or an auger without an add-on power pack bolted to the frame. Hydraulic specification is easier to settle at build time than to correct later. The equipment on site delivered without auxiliary lines can still dig, but every additional tool becomes a retrofit project. Landscaping and ground care with the machine itself Landscape contractors use the model in question 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. Grass cutting heads, rakes and tillers extend the machine in that duty into ground care. The same carrier that digs a border in spring can cut and clear the same area later in the season. Export packing and shipping of the unit on the job Export documentation, decals and paint are settled before packing. Asking for them with the equipment in service order avoids a second handling session and keeps the machine on the booked vessel. Buyers who import regularly plan the spare parts with the machine. A machine built for the work ordered with a wearing-parts kit arrives ready to work rather than ready to wait for the first service interval. Quick coupler practice on this class of machine For a fleet that shares attachments between machines, a common coupler standard matters more than the coupler brand. The unit in daily use that picks up the same tools as the larger machines keeps the rack usable across the yard. Specification data for a machine of this size Where the equipment on site is being specified for a job list, the table below gives the factory figures that matter most: what the machine weighs, how deep and how far it works, and what it measures on a trailer. Figures are factory figures and are confirmed on the build sheet for the machine itself. Where a job sits between two models, the larger machine usually takes less time than the smaller one spends on rework. A quick coupler is the single option that changes how a machine is used day to day. Fitted to the model in question, it turns an attachment change from a two-person workshop job into a task the operator does alone in minutes. 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.



Reference specification — mini excavator range 15W 20-3W 30-2W 15L Operating weight 1400 kg (3086.47 lb) 1900 kg (4188.78 lb) 2700 kg (5952.48 lb) 1400 kg (3086.47 lb) Transport size (L×W×H) 2200 × 930 × 2250 mm 2550 × 1100 × 2200 mm 3000 × 1100 × 2700 mm 2200 × 930 × 2250 mm Max digging depth 1630 mm (64.17 in) 1800 mm (70.87 in) 2200 mm (86.61 in) 1700 mm (66.93 in) Max digging height 2750 mm (108.27 in) 2820 mm (111.02 in) 3000 mm (118.11 in) 2750 mm (108.27 in) Max dumping height 1960 mm (77.17 in) 2050 mm (80.71 in) 2000 mm (78.74 in) 1960 mm (77.17 in) Max digging radius 2900 mm (114.17 in) 3050 mm (120.08 in) 3800 mm (149.61 in) 2900 mm (114.17 in) Max digging distance 2100 mm (82.68 in) 2300 mm (90.55 in) 3050 mm (120.08 in) 2300 mm (90.55 in) Minimum turning radius 1300 mm (51.18 in) 1450 mm (57.09 in) 1750 mm (68.9 in) 1450 mm (57.09 in) Travel speed 3 km/h (1.86 mph) 5 km/h (3.11 mph) 7 km/h (4.35 mph) 3 km/h (1.86 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) 1-1.3 L/h (0.264—0.343 gal) Fuel tank capacity 10 L (2.64 gal) 16 L (4.23 gal) 16 L (4.23 gal) 10 L (2.64 gal) Hydraulic oil tank 16 L (4.23 gal) 18 L (4.76 gal) 20 L (5.28 gal) 16 L (4.23 gal) Dozer blade lift height 180 mm (7.09 in) 180 mm (7.09 in) 230 mm (9.06 in) 180 mm (7.09 in) Dozer blade drop depth 210 mm (8.27 in) 210 mm (8.27 in) 280 mm (11.02 in) 210 mm (8.27 in)
Q. What can the unit on the job do?
A. Bulk excavation, footing and drainage work, and site clearance at the top end of the compact class. It is chosen where the work is closer to full size excavator duty but the access or the surface still rules a larger machine out.
Q. Is a 3 ton machine still a mini excavator?
A. Yes, it is at the upper end of the compact range and remains trailer transportable within limits. What changes at this size is the requirement for space: the machine needs a proper working area and a suitable transport vehicle.
Q. How do I know whether I need this size?
A. If most of the work involves digging to a line across a whole site, the larger compact classes are the right choice. If the work is short, confined and behind a gate, a smaller class will earn more of the time. Send us the work mix and we will advise.
Wear items and spares worth holding for a machine built for the work
A spares list should follow the duty cycle. The equipment in service working every day in abrasive dust consumes filters and cutting edges far faster than the same machine used once a week, and the shelf should be stocked for the harder case.
Pre-delivery inspection before this class of machine leaves the shop
What the customer sees on arrival is decided before departure. The walk-around given to the unit in daily use covers the same points the operator will check on day one, so there are no surprises when the crate is opened at the destination.
Packing, loading and shipment of a machine of this size
Container loading is a planning exercise. The overall dimensions and the operating weight of the equipment on site decide whether it ships whole, partly disassembled or with the attachment removed, and that decision is made before the booking.
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