Precise digging is a control question: the operator's hand has to translate into a measured movement of the arm. MINGYI the excavators use hydraulic pilot joysticks, so the main valves are metered through low pressure control circuits.
The result is proportional, low effort control of the boom, dipper, bucket and slew, which matters in trenching near services, grading to level and working inside finished buildings. The control layout is confirmed with the machine order.
Pilot control in precision work
Near buried services and root systems, the operator feathers the arm rather than stabbing at the levers, and pilot circuits give that modulation naturally. Grading with a tilting bucket to a finished level depends on the same fine metering.
Over a full shift, the low lever effort of pilot control reduces operator fatigue compared with direct linkage machines, which shows up in the consistency of the last trench of the day. The joysticks sit in adjustable consoles in the cab layout.
Ordering a pilot operated unit
The pilot control option is fixed at the ordering stage with the machine class, cab layout and attachment package, and the configuration is recorded against the machine. Buyers running augers and breakers benefit from the same proportional flow to the tool circuits.

Service information covering the pilot circuits ships with the excavator, and the routine spares can be ordered alongside. MINGYI reviews the precision requirements of the buyer's work, from service trenching to interior demolition, before the build is fixed.
Pilot operation is what gives a compact excavator a light, proportional touch at the arm. MINGYI configures the control layout with the buyer's precision work in mind at the ordering stage.
Landscaping and ground care with pilot operated mini excavator Grass cutting heads, rakes and tillers extend this class of machine into ground care. The same carrier that digs a border in spring can cut and clear the same area later in the season. On soft landscape work the surface is the constraint. The unit in daily use on rubber tracks crosses turf without stripping it, which is why the same jobs are not given to a wheeled machine. Trailering and moving pilot operated mini excavator 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. Detachable components reduce transport length. The equipment on site built with a removable arm section or a folding step fits a shorter trailer and may avoid an oversize movement permit. Lifting and material handling with a pilot operated mini excavator 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. Ground condition under the machine is part of every lift. Soft or uneven support is the common factor in handling incidents, and checking it takes less time than recovering the model in question that has settled. What owners should plan for beyond the pilot operated mini excavator Purchase decision is the visible part of the effort. Fuel, filters, tracks or tyres, the operator and the transport between sites are the items that decide what the machine in that duty actually demands over a few seasons, and they are worth listing before the order. The useful comparison is demand per working hour, not demand per machine. The unit on the job that works more hours a year spreads its standing takes over more output, which is why utilisation usually matters more than the invoice figure. Trenching work with pilot operated mini excavator Service trenches are the most common reason a machine built for the work is hired. Water, sewage, cable and gas runs are narrow, shallow and often close to existing services, which is exactly the work a full-size machine cannot do safely. Trench quality depends on the bucket width and the operator, not on machine size. The equipment in service with a narrow bucket and a swing boom cuts a clean run along a boundary without disturbing the ground either side of it. Matching pilot operated mini excavator to ground conditions Soft ground is a flotation problem, not a power problem. The excavator on wide rubber tracks crosses lawn, sand and cultivated soil that would stop a narrower machine or a wheeled unit of the same capacity. Mixed sites are common and argue for a compromise specification. Most buyers choose rubber for this class of machine and accept the wear, unless the majority of the work is on material that will damage it. 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. Flow and pressure are matched to the tool, not to the machine size. Asking for the attachment list first means the equipment on site leaves the factory with circuits that suit the heaviest tool the buyer intends to run. Acceptance checks when the machine itself arrives Delivery day is the best time to find a problem. Checking the specification against the order, the fluid levels, the fasteners and any transport damage while the machine in that duty is still on the trailer is faster than claiming later. Documentation should arrive with the machine. Parts list, service schedule and any certificates for the model in question are what the workshop needs later, and they are much easier to obtain at delivery than in month six. OEM and fleet customisation of the unit on the job Distributors and rental fleets usually need the machine to look like theirs. Paint, decals, seat colour and attachment branding can be specified on a machine built for the work at build time rather than applied after import. Customisation also covers the specification sheet. A fleet buyer may want every equipment in service delivered with the same coupler, the same engine and the same tool kit so training and parts stock stay simple. Working the excavator through the seasons Weather decides which days are productive. Rain turns some ground unusable and cold changes how this class of machine starts and warms up, so planning the wet months around maintenance is more useful than planning around output. Heat and dust are as limiting as rain. Air intake condition and cooling cleanliness decide how the unit in daily use behaves in a dry season, and both are checked in a minute rather than repaired later. Getting a machine of this size through a narrow gap The first question on most job lists is whether the machine can reach the work at all. The equipment on site 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. Access decides the machine before output does. With the machine itself the limiting dimension is usually the widest point on the way in, so measuring the gate, the corridor and the turning space first saves a wasted delivery and a second visit. Road and paving work for the model in question Road repair generates short, interrupted jobs - a patch, a drainage connection, a kerb line. The machine in that duty is economical here because it travels on a small trailer and starts working minutes after arriving. Breaking out a failed slab and backfilling the same hole in one visit is normal work for the unit on the job. The breaker and the bucket come off the same coupler, so the road is reopened the same day. Interior and light demolition with a machine built for the work Interior demolition is an access and a weight question. The equipment in service that fits through a doorway and works on a suspended floor does jobs that would otherwise be done by hand or by a larger machine that cannot enter. Breaking out a floor slab, a wall footing or a concrete step is routine work for the excavator with a breaker. The machine is small enough to work inside and heavy enough to run the tool at a practical rate. Specification data for this class of machine Where the unit in daily use 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. Every value shown is as built for a machine of this size; options such as cab, side swing or a telescopic undercarriage change the transport dimensions and are confirmed at order stage. Machines leave the factory prepared for container or flat rack shipment. The equipment on site is normally shipped with the attachment set and the spare parts list agreed in advance so the container is planned once. Buyers who import regularly plan the spare parts with the machine. The machine itself ordered with a wearing-parts kit arrives ready to work rather than ready to wait for the first service interval.

Reference specification — mini excavator range 20-1W 20-1WL 20-3W 12L Operating weight 1800 kg (3968.32 lb) 1900 kg (4188.78 lb) 1900 kg (4188.78 lb) 1200 kg (2645.55 lb) Transport size (L×W×H) 2550 × 1100 × 2200 mm 2550 × 1100 × 2200 mm 2550 × 1100 × 2200 mm 2200 × 930 × 2250 mm Max digging depth 1800 mm (70.87 in) 1800 mm (70.87 in) 1800 mm (70.87 in) 1700 mm (66.93 in) Max digging height 2820 mm (111.02 in) 2820 mm (111.02 in) 2820 mm (111.02 in) 2600 mm (102.36 in) Max dumping height 2050 mm (80.71 in) 2050 mm (80.71 in) 2050 mm (80.71 in) 1800 mm (70.87 in) Max digging radius 3050 mm (120.08 in) 3050 mm (120.08 in) 3050 mm (120.08 in) 2900 mm (114.17 in) Max digging distance 2300 mm (90.55 in) 2300 mm (90.55 in) 2300 mm (90.55 in) 2300 mm (90.55 in) Minimum turning radius 1450 mm (57.09 in) 1450 mm (57.09 in) 1450 mm (57.09 in) 1450 mm (57.09 in) Travel speed 5 km/h (3.11 mph) 5 km/h (3.11 mph) 5 km/h (3.11 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) 18 L (4.76 gal) 18 L (4.76 gal) 16 L (4.23 gal) Dozer blade lift height 180 mm (7.09 in) 180 mm (7.09 in) 180 mm (7.09 in) 180 mm (7.09 in) Dozer blade drop depth 210 mm (8.27 in) 210 mm (8.27 in) 210 mm (8.27 in) 210 mm (8.27 in)
Q. Who chooses the model in question?
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. Load sensing keeps the flow where the work is; pilot levers give the finesse that trench walls and grading finish demand. The machine in that duty is one of the pages buyers land on when comparing machines for pilot operated, and the factory treats it as a specification conversation rather than a catalogue line.
Q. Why does load sensing matter on a small machine?
A. It sends flow where the work is instead of splitting it blindly, so the attachment keeps its speed while the machine holds position - the difference between a small digger that works and one that waits.
Q. How do I get a specification?
A. Send the model, the destination and the attachment list by email or LINE - the channels listed just below this section. The reply covers the specification, lead time, packing and freight in one document, with the pilot operated build sheet attached.
Packing, loading and shipment of the unit on the job
The paperwork matters as much as the packing. Serial numbers, dimensions and weights recorded for a machine built for the work at loading are the same figures the destination needs, and a mismatch here loses more days than the voyage itself.
Fuel, oil and fluid quality for the equipment in service
The specification for oil is written for a reason. Using the grade and the change interval set for the excavator keeps the engine and the hydraulic system inside the range they were designed for.
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