The 1 to 3.5 tonne class is where most mini excavator buyers end up, because it holds the balance between digging capability, transport weight and running effort. MINGYI builds machines across this class to order, with the specification set by the work the buyer holds.
A machine in this range trailers behind an ordinary vehicle, sets up in minutes and still carries a full attachment set through a quick coupler. For trades from landscaping to utility work, the class covers the daily workload without excess.
The working range of the 1 to 3.5 tonne class

Within this class buyers find machines for footing and trench work on residential builds, irrigation and drainage runs in agriculture, and the digging load of landscaping contracts from ponds to patios. The upper end takes heavier attachments, including breakers on concrete and rock.
The class also suits municipal and maintenance fleets, where machines travel between scattered small jobs and work on surfaces that must be left undamaged. Rubber tracks are the common specification there; harder ground argues for steel tracks with rubber blocks.
Specifying a machine inside the class

Choosing within the class comes down to the attachment plan and the transport available: buyers running breakers and augers specify the hydraulic feed for them at ordering, and cab format follows the trailer arrangements.
Engine options from Kubota, YANMAR, Changchai and Laidong are agreed against the buyer's support preferences, and the whole specification is recorded on the build sheet. Spare parts and service information follow the fitted machine.
The 1 to 3.5 tonne class is not a compromise, it is the working standard of the trade. Order inside it against the contracts in hand, and the machine will neither strain nor idle.

Road and paving work for 1 to 3.5 tonne mini excavator Patching and reinstatement favour a machine that can work in a lane closure. The excavator 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 this class of machine. The breaker and the bucket come off the same coupler, so the road is reopened the same day. Canopy or enclosed cab on a 1 to 3.5 tonne mini excavator The cab decision follows the climate and the hours. Operators working a full shift in the unit in daily use 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 a machine of this size keeps dust out on dry sites and lets the machine work through weather that would otherwise stop a canopy machine for the day. Noise, dust and working near occupied buildings Enclosure and machine condition both reduce noise. The equipment on site with intact panels, sound mounts and a maintained exhaust is measurably quieter than the same machine with loose guards, and the difference matters on restricted sites. 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 the machine itself working rather than stopped after a complaint. Working on slopes and uneven ground with 1 to 3.5 tonne mini excavator 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. OEM and fleet customisation of 1 to 3.5 tonne mini excavator Customisation also covers the specification sheet. A fleet buyer may want every machine built for the work delivered with the same coupler, the same engine and the same tool kit so training and parts stock stay simple. Documentation can be prepared to suit the importer. Manuals, parts books and decal sets for the unit on the job can be supplied with the buyer's own branding where the order size justifies it. Working a 1 to 3.5 tonne mini excavator in confined spaces Clearance above matters as much as around. Door heights, pipework and overhead services set the limit for the equipment in service indoors, and measuring them first avoids a machine that arrives and cannot be used. Ventilation is the other indoor constraint. Running the excavator inside a closed structure needs air movement, and that is a planning item rather than something to discover after the first hour. Parts, service and support for this class of machine Engine parts availability usually drives the engine choice. The unit in daily use 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. A machine of this size 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. Specifying the equipment on site against a job list Buyers who skip this step either over-buy or under-buy. The machine itself specified only from machine size tends to arrive without the coupler, the circuits or the track type the work actually needs. 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 model in question that fits rather than a generic build. Attachments that turn the machine in that duty into several machines Attachment lists are best written before delivery. Specifying the unit on the job 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 a machine built for the work 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. Operator technique for the equipment in service Output on a compact machine comes from placement rather than power. An experienced operator keeps the excavator 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 this class of machine 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. Getting the unit in daily use through a narrow gap Access decides the machine before output does. With a machine of this size 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. 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. Specification data for the machine itself Buyers comparing the model in question 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 machine in that duty; options such as cab, side swing or a telescopic undercarriage change the transport dimensions and are confirmed at order stage. Interior demolition is an access and a weight question. The unit on the job 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. Dust, debris clearance and floor loading all argue for a compact machine indoors. A machine built for the work spreads its weight over a wider track footprint than a wheeled machine of similar capacity.




Reference specification — mini excavator range 12W 13W 20-1W 12L Operating weight 1200 kg (2645.55 lb) 1300 kg (2866.01 lb) 1800 kg (3968.32 lb) 1200 kg (2645.55 lb) Transport size (L×W×H) 2200 × 930 × 2250 mm 2200 × 930 × 2250 mm 2550 × 1100 × 2200 mm 2200 × 930 × 2250 mm Max digging depth 1630 mm (64.17 in) 1630 mm (64.17 in) 1800 mm (70.87 in) 1700 mm (66.93 in) Max digging height 2750 mm (108.27 in) 2750 mm (108.27 in) 2820 mm (111.02 in) 2600 mm (102.36 in) Max dumping height 1960 mm (77.17 in) 1960 mm (77.17 in) 2050 mm (80.71 in) 1800 mm (70.87 in) Max digging radius 2900 mm (114.17 in) 2900 mm (114.17 in) 3050 mm (120.08 in) 2900 mm (114.17 in) Max digging distance 2100 mm (82.68 in) 2100 mm (82.68 in) 2300 mm (90.55 in) 2300 mm (90.55 in) Minimum turning radius 1300 mm (51.18 in) 1300 mm (51.18 in) 1450 mm (57.09 in) 1450 mm (57.09 in) Travel speed 3 km/h (1.86 mph) 3 km/h (1.86 mph) 5 km/h (3.11 mph) 3 km/h (1.86 mph) Gradeability 30° 30° 30° 30° Fuel consumption 1-1.3 L/h (0.264—0.343 gal) 1-1.3 L/h (0.264—0.343 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) 10 L (2.64 gal) 16 L (4.23 gal) 10 L (2.64 gal) Hydraulic oil tank 16 L (4.23 gal) 16 L (4.23 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 equipment in service?
A. The class sets the trade: access on one side, reach and lift on the other, and every compact buyer picks their point on that line. A machine that passes the narrowest gap on the job list and still swings the bucket the trench needs is the right size - nothing more complicated than that. For 1 to 3.5 tonne 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. Which size should I start with?
A. From access and trench width: the machine must pass the narrowest gap on your jobs and swing the bucket the trench needs. The 0.8 to 6 tonne class MINGYI builds as the 08, 12 and 18 models covers most of that ground, and the class pages set out the trade-offs.
Q. Can I see the machine before it ships?
A. Inspection is arranged at the factory, in person or by a scheduled video walk-around - the same session covers paint, decals and attachment fitment for the 1 to 3.5 tonne specification, so the machine inspected is the machine that ships.
A second operator for the excavator
Different operators suit different work. The person who is quickest with this class of machine on open ground is not always the one who is safest in a confined space, and having both available is a genuine advantage.
Later additions and retrofits on the unit in daily use
An added function should pay for itself quickly. Whether a machine of this size gains a different bucket, a hydraulic service or a protection package, the test is the number of days a year it is actually used.
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Nameplate, serial number and documents for 1 to 3.5 tonne mini excavator
The serial plate is how the right parts book, the right manual and the right service bulletin are found, and it is worth photographing on delivery.
Import paperwork, the declaration of conformity and the operator manual are the three items most often asked for after delivery.
A record of modifications matters as well, since an added hydraulic circuit or a changed attachment mount changes what the manual describes.
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