Operators judge a compact digger by how it responds to the joysticks. A machine that moves in small, predictable steps can trim a trench wall and level a surface without constant correction, and that control matters more on detailed work than raw digging force.
MINGYI builds compact excavators with hydraulic systems set up for measured movement. Because the machine is built to order, the pump, valve and control arrangements are matched to the attachments the buyer intends to run.
Hydraulic control response on a compact digger

Smoothness comes from proportioning hydraulic flow rather than switching it on and off. When the valve opens gradually the boom moves slowly at first, which lets the operator place the bucket edge precisely instead of overshooting the cut.
That behaviour helps on trenching, grading and any task close to services or finished work. A machine that lurches is harder to use near a gas pipe or a paving edge, however strong it may be.
Joystick, flow and attachment control on detailed work

Control layout is part of the same story. Joysticks set at a comfortable reach let the operator keep the bucket in view while adjusting the machine, which reduces the number of corrections needed on a long trench.
Flow settings also affect the attachments. Powered tools such as a breaker or auger need a supply that suits them, and buyers should confirm the circuit when the machine is ordered rather than adjusting it later.
Smooth hydraulic control is what makes a compact digger usable on detailed work. MINGYI supplies these machines built to order with the control setup the job requires.

Road and paving work for smooth control mini digger Road repair generates short, interrupted jobs - a patch, a drainage connection, a kerb line. The excavator is economical here because it travels on a small trailer and starts working minutes after arriving. Patching and reinstatement favour a machine that can work in a lane closure. This class of machine occupies less road than a full-size excavator, which reduces the traffic management needed and the length of the closure. Operator technique for smooth control mini digger The second habit is tool discipline. Running the unit in daily use 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. Stability is the third. A machine of this size working across the tracks rather than over the corners keeps the machine steady and the undercarriage loaded evenly, which shows up as track life at the end of the season. Hiring versus owning a smooth control mini digger The choice follows the hours. Work that fills a few weeks a year is usually better hired, while the equipment on site that would be on site most weeks starts to justify ownership once the transport and booking time is counted. Ownership brings obligations that hiring does not. Storage, servicing, insurance and an operator are the items to set against the hire rate before deciding which way the machine itself should be supplied. Specifying smooth control mini digger against a job list The practical way to specify is to write the job list first: the narrowest access, the deepest trench, the heaviest tool and the surfaces the machine must cross. The model in question is then matched to those four numbers. Useful information to send with an enquiry includes working width, required digging depth, ground conditions and the attachment set. Those four items let the factory specify the machine in that duty that fits rather than a generic build. Noise, dust and working near occupied buildings Work near housing or occupied premises brings constraints that open sites do not. Start times, exhaust condition and how often the unit on the job needs to reverse are the practical limits that neighbours notice. Dust control is often part of the same conversation. Water, timing and work sequence reduce what leaves the site, and agreeing them in advance keeps a machine built for the work working rather than stopped after a complaint. Attachments that turn smooth control mini digger into several machines The base machine is a carrier; the tool on the end of the arm decides the task. The equipment in service fitted with a toothed bucket digs, and the same machine with a breaker, an auger or a grab does work that would otherwise need a second unit on site. Attachment lists are best written before delivery. Specifying the excavator 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. Orchard, vineyard and farm use of this class of machine Orchard and vineyard work is carried out between rows. The unit in daily use 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 a machine of this size 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. Quick coupler practice on the equipment on site A quick coupler is the single option that changes how a machine is used day to day. Fitted to the machine itself, 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 model in question after delivery means new pins, new hoses and a fitment session; adding it at build time is a line on the sheet. Working on slopes and uneven ground with the machine in that duty Slope work is a stability question before it is a traction question. Knowing the gradient the unit on the job is rated for, and working across rather than straight up where the ground allows, removes most of the risk. Ground that looks level often is not. A machine built for the work 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. Trailering and moving the equipment in service Transport weight and width decide whether a machine needs a specialist haulier. The excavator 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. Municipal and public works with the unit in daily use Drainage repair, tree planting, footway reconstruction and cemetery work are all within the range of a machine of this size. The jobs are small individually and continuous across the year. Noise and surface protection matter on public work. The equipment on site on rubber tracks across paving, with a sealed cab for the operator, suits the conditions better than a larger tracked machine. Canopy or enclosed cab on the machine itself A canopy keeps the machine light and the operator aware of the surroundings, which suits short jobs in warm weather. A fully enclosed cab is specified where rain, dust or cold are part of the working year, and it can be added to the model in question as a retrofit rather than only at build time. Enclosure also changes noise and dust exposure. A sealed cab on the machine in that duty keeps dust out on dry sites and lets the machine work through weather that would otherwise stop a canopy machine for the day. Specification data for the unit on the job The figures below are the factory figures for the models most often matched to a machine built for the work. They are the numbers to check against the site: the depth the work needs, the reach from one position, and the width of the narrowest point on the route in. Figures are factory figures and are confirmed on the build sheet for the equipment in service. Where a job sits between two models, the larger machine usually takes less time than the smaller one spends on rework. Lifting with a machine built to dig needs a plan. The load, the radius and the ground under the class of machine 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 excavator 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.




Reference specification — mini excavator range 20-1WL 30-1W 30-2W 15L Operating weight 1900 kg (4188.78 lb) 2900 kg (6393.41 lb) 2700 kg (5952.48 lb) 1400 kg (3086.47 lb) Transport size (L×W×H) 2550 × 1100 × 2200 mm 3000 × 1250 × 2780 mm 3000 × 1100 × 2700 mm 2200 × 930 × 2250 mm Max digging depth 1800 mm (70.87 in) 2200 mm (86.61 in) 2200 mm (86.61 in) 1700 mm (66.93 in) Max digging height 2820 mm (111.02 in) 3400 mm (133.86 in) 3000 mm (118.11 in) 2750 mm (108.27 in) Max dumping height 2050 mm (80.71 in) 2400 mm (94.49 in) 2000 mm (78.74 in) 1960 mm (77.17 in) Max digging radius 3050 mm (120.08 in) 4000 mm (157.48 in) 3800 mm (149.61 in) 2900 mm (114.17 in) Max digging distance 2300 mm (90.55 in) 2800 mm (110.24 in) 3050 mm (120.08 in) 2300 mm (90.55 in) Minimum turning radius 1450 mm (57.09 in) 2000 mm (78.74 in) 1750 mm (68.9 in) 1450 mm (57.09 in) Travel speed 5 km/h (3.11 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 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) 1-1.3 L/h (0.264—0.343 gal) Fuel tank capacity 16 L (4.23 gal) 16 L (4.23 gal) 16 L (4.23 gal) 10 L (2.64 gal) Hydraulic oil tank 18 L (4.76 gal) 20 L (5.28 gal) 20 L (5.28 gal) 16 L (4.23 gal) Dozer blade lift height 180 mm (7.09 in) 420 mm (16.54 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 is the unit in daily use used for?
A. Pilot controls, load sensing and high-flow circuits decide whether a small machine digs like a big one - smooth, precise and quick on the return pass. Electric-drive options suit indoor and emission-sensitive sites where a diesel is the wrong answer. For smooth control applications the practical route is to send the job list to the factory and let the build sheet answer it - which is exactly what this page invites.
Q. Do I need the high-flow option?
A. Only if the attachment list asks for it: breakers, mulching heads and larger augers drink more than a standard circuit serves. Match the circuit to the tools before the build, not after.
Q. What support follows the sale?
A. Spare-part kits, wear items and service documentation ship with the programme, and the parts team works from the serial plate to match components exactly. Warranty and support terms for the smooth control order are confirmed in writing before the machine leaves.
Hot, humid and dusty conditions around a machine of this size
Humidity attacks the parts that are not used. Storage in a damp climate means the equipment on site needs the exposed metal protected and the machine run regularly, because standing still does more damage than working.
Packing, loading and shipment of the machine itself
Export packing is part of the machine, not an afterthought. The model in question is blocked and braced inside the container so that it arrives in the same condition it left, and the load plan is decided by the dimensions rather than by what fits loosely.
E-mail : sales@mingycn.com
LINE ( ID ): mingyicn
Related pages
lightweight crawler mini excavator · small excavator for yard work · Front End Loader Log Grapple: Section Widths and Pin Geometry · Mini Excavators