The excavator is the machine that fits between a micro digger and a full sized excavator. It carries the attachments a small site needs while staying narrow and light enough to reach the work without damaging the ground or the access.
MINGYI builds compact crawler excavators in the 0.8 to 6 tonnes class. Undercarriage, engine, cab form and attachment set are confirmed at the ordering stage, since each unit is assembled to order.
What a compact mini crawler excavator does well

The crawler undercarriage spreads weight over a wide footprint, which keeps the machine stable while digging and lets it travel over soft or uneven ground. On smaller sites that stability is what allows an auger, a breaker or a grab to be used safely.
Being compact, the machine can work where a wheeled excavator or a backhoe cannot. A side return, a courtyard or a greenhouse path becomes a workable site when the carrier is small enough to enter and turn.
Canopy, cab and undercarriage choices

The short list of decisions is familiar. Rubber tracks protect finished surfaces and hold up on grass; steel tracks with rubber blocks last longer on abrasive ground. A canopy keeps the machine light and low, while a cab protects the operator on long shifts.
None of these change what the machine can dig, but each affects where it can go and how long it can stay. They are settled together with the attachments so the unit arrives matched to the work rather than partly specified.
This class of machine earns its place by covering a wide range of small jobs with one carrier. Buyers who know their access and their ground usually find this class does the most work for the least complication.

Interior and light demolition with compact mini crawler excavator Breaking out a floor slab, a wall footing or a concrete step is routine work for the unit in daily use 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. A machine of this size spreads its weight over a wider track footprint than a wheeled machine of similar capacity. Orchard, vineyard and farm use of compact mini crawler excavator Orchard and vineyard work is carried out between rows. The equipment on site 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 machine itself 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. Trenching work with compact mini crawler excavator Service trenches are the most common reason the model in question 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. Depth control matters more on service work than speed. The machine in that duty working beside live services is chosen because it can be placed precisely and stopped instantly, which is what the job actually requires. Working near live services with compact mini crawler excavator 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. Utility crews specify a machine built for the work 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. Lifting and material handling with a compact mini crawler excavator Lifting with a machine built to dig needs a plan. The load, the radius and the ground under the excavator 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 equipment in service 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. OEM and fleet customisation of compact mini crawler excavator Distributors and rental fleets usually need the machine to look like theirs. Paint, decals, seat colour and attachment branding can be specified on this class of machine at build time rather than applied after import. Documentation can be prepared to suit the importer. Manuals, parts books and decal sets for the unit in daily use can be supplied with the buyer's own branding where the order size justifies it. Engine options behind a machine of this size Power unit selection is settled against the service network the buyer already uses. MINGYI offers Kubota D722, Kubota D902, YANMAR, Changchai, Laidong, Runtong, YARMAX, Youpu 2V80 and Youpu 195, so a fleet running one brand of engine can keep the same filters, the same parts supplier and the same mechanic. Engine choice is also an emissions and documentation question for some markets. Listing the available units with the equipment on site enquiry lets the factory confirm what can be supplied and documented for the destination country. Specifying the machine itself 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. What owners should plan for beyond the unit on the job The useful comparison is demand per working hour, not demand per machine. A machine built for the work that works more hours a year spreads its standing takes over more output, which is why utilisation usually matters more than the invoice figure. Downtime is the hidden line item. The equipment in service waiting on a part earns nothing while it stands, so parts availability and service access belong in the plan as much as fuel does. Export packing and shipping of the excavator Export documentation, decals and paint are settled before packing. Asking for them with the unit in daily use 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. This class of machine ordered with a wearing-parts kit arrives ready to work rather than ready to wait for the first service interval. Matching a machine of this size to ground conditions Hard and abrasive ground reverses the specification. On rock, demolition rubble or sharp gravel, steel tracks with rubber blocks on the equipment on site survive conditions that cut a rubber belt quickly. Mixed sites are common and argue for a compromise specification. Most buyers choose rubber for the machine itself and accept the wear, unless the majority of the work is on material that will damage it. Trailering and moving the model in question Transport weight and width decide whether a machine needs a specialist haulier. The machine in that duty 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. The unit on the job built with a removable arm section or a folding step fits a shorter trailer and may avoid an oversize movement permit. Specification data for a machine built for the work The figures below are the factory figures for the models most often matched to the equipment in service. 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. These are the reference figures for the excavator. MINGYI confirms the final build sheet, including engine and attachment choices, against the destination and the job list before production. Daily maintenance on this class of machine is a short list: engine oil level, coolant, track tension, hydraulic oil level and a look at the hoses. Ten minutes at the start of the shift prevents most of the failures that stop a machine. Greasing is the second item. The slew ring, the boom and arm pins and the bucket linkage on the unit in daily use take grease daily in dusty work, and the intervals shorten further when the machine is used in water or mud.




Reference specification — mini excavator range 13W 30-1W 09L 25L Operating weight 1300 kg (2866.01 lb) 2900 kg (6393.41 lb) 1100 kg (2425.08 lb) 2200 kg (4850.17 lb) Transport size (L×W×H) 2200 × 930 × 2250 mm 3000 × 1250 × 2780 mm 2300 × 720 × 1870 mm 3000 × 1300 × 2700 mm Max digging depth 1630 mm (64.17 in) 2200 mm (86.61 in) 1400 mm (55.12 in) 2300 mm (90.55 in) Max digging height 2750 mm (108.27 in) 3400 mm (133.86 in) 2800 mm (110.24 in) 3100 mm (122.05 in) Max dumping height 1960 mm (77.17 in) 2400 mm (94.49 in) 1880 mm (74.02 in) 2050 mm (80.71 in) Max digging radius 2900 mm (114.17 in) 4000 mm (157.48 in) 2490 mm (98.03 in) 3900 mm (153.54 in) Max digging distance 2100 mm (82.68 in) 2800 mm (110.24 in) 2000 mm (78.74 in) 3100 mm (125.05 in) Minimum turning radius 1300 mm (51.18 in) 2000 mm (78.74 in) 1400 mm (55.12 in) 1800 mm (70.87 in) Travel speed 3 km/h (1.86 mph) 5 km/h (3.11 mph) 3 km/h (1.86 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) 1-1.3 L/h (0.264—0.343 gal) 2-3 L/h (0.528—0.793 gal) Fuel tank capacity 10 L (2.64 gal) 16 L (4.23 gal) 8 L (2.11 gal) 16 L (4.23 gal) Hydraulic oil tank 16 L (4.23 gal) 20 L (5.28 gal) 16 L (4.23 gal) 18 L (4.76 gal) Dozer blade lift height 180 mm (7.09 in) 420 mm (16.54 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 a machine of this size?
A. Compact excavators win work by being there: small enough to reach the job, strong enough to finish it. The limit is reach and lift, not willingness: within its envelope the compact machine holds a full-size work rate. MINGYI builds the 08, 12 and 18 models covering the 0.8 to 6 tonne class, and the equipment on site is where that range meets general site.
Q. How do I choose the right machine for mixed work?
A. List the jobs in a normal month, find the narrowest access and the deepest dig, then size the machine to both. Send the list to the factory by email or LINE and the recommendation comes back matched to the work, not to the stock.
Q. What about colours and branding?
A. OEM colours and decals are part of the build: private-label machines carry the buyer brand on the standard MINGYI platform, and the general site order confirms colours, marks and documents before production starts.
Documents that travel with the machine itself
Documentation should match the machine that was actually built. The sheet supplied with the model in question records the configuration as delivered, because the generic catalogue description is not what the customer needs when ordering a part.
Hot, humid and dusty conditions around the machine in that duty
Tropical operation is a specification question as much as a maintenance one. The cooling capacity, the sealing and the corrosion protection fitted to the unit on the job are what make the difference once the ambient temperature rises.
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