A hydraulic hammer is the attachment most often added to a compact excavator, because concrete, asphalt and rock appear on almost every site and none of them can be dug with a bucket. MINGYI supplies hydraulic breaker hammers matched to the machine’s auxiliary flow.
The hammer mounts on the standard quick-change interface and is powered from the excavator’s own hydraulic system.
Why a mounted hammer beats a hand breaker
A hand-held breaker is limited by the operator’s strength and reach, and it cannot work overhead or across a bank. A hammer on the excavator arm delivers consistent energy wherever the boom can reach, keeps the operator away from the impact point, and does the work at a fraction of the physical effort.
On repeated patch repairs the cycle time difference is large enough to change what work is worth quoting.
Matching hammer to machine
Hammer weight and impact energy must be matched to the excavator so the tool breaks efficiently without stalling the machine or overloading the boom. Auxiliary circuit flow and pressure are specified at the factory against the chosen hammer.
Hydraulic hammer uses
• Concrete slab, wall and footing demolition
• Asphalt and road surface breakout
• Rock breaking ahead of excavation
• Removing masonry close to existing structures
• Breaking oversize material for handling and cart-away
Tell us the material, thickness and access, and we will match the hammer and auxiliary specification to the machine.
Road and paving work for mini excavator hydraulic hammer Road repair generates short, interrupted jobs - a patch, a drainage connection, a kerb line. This class of machine 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 in daily use. The breaker and the bucket come off the same coupler, so the road is reopened the same day. Matching mini excavator hydraulic hammer to ground conditions Soft ground is a flotation problem, not a power problem. A machine of this size 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 the equipment on site and accept the wear, unless the majority of the work is on material that will damage it. Orchard, vineyard and farm use of mini excavator hydraulic hammer Orchard and vineyard work is carried out between rows. The machine itself 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. Ditching, fertilising and drainage on farmland suit the model in question because the work is spread over a large area in short bursts. The machine travels behind a pickup and works where it stops. Specifying mini excavator hydraulic hammer 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 machine in that duty is then matched to those four numbers. Buyers who skip this step either over-buy or under-buy. The unit on the job specified only from machine size tends to arrive without the coupler, the circuits or the track type the work actually needs. Hydraulic circuits on a mini excavator hydraulic hammer Auxiliary hydraulic lines are what let a machine drive a tool rather than only a bucket. A machine built for the work 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 in service leaves the factory with circuits that suit the heaviest tool the buyer intends to run. Lifting and material handling with this class of machine Stability changes with reach. A load the unit in daily use 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 a machine of this size that has settled. Export packing and shipping of the equipment on site Machines leave the factory prepared for container or flat rack shipment. The machine itself 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 model in question ordered with a wearing-parts kit arrives ready to work rather than ready to wait for the first service interval. Daily checks and maintenance on the machine in that duty Track tension is the item most often neglected. The unit on the job run with slack tracks wears the undercarriage and can throw a track on a turn; run too tight, the same components wear from the other direction. Greasing is the second item. The slew ring, the boom and arm pins and the bucket linkage on a machine built for the work take grease daily in dusty work, and the intervals shorten further when the machine is used in water or mud. Acceptance checks when the equipment in service 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 unit in daily use is still on the trailer is faster than claiming later. Documentation should arrive with the machine. Parts list, service schedule and any certificates for this class of machine are what the workshop needs later, and they are much easier to obtain at delivery than in month six. Municipal and public works with a machine of this size Municipal crews work on streets, footpaths and parks where the public is present. The equipment on site is specified because it occupies little space, works inside a small exclusion zone and can be moved on a standard trailer. Noise and surface protection matter on public work. The machine itself on rubber tracks across paving, with a sealed cab for the operator, suits the conditions better than a larger tracked machine. Working the model in question in confined spaces Confined sites are decided by dimensions. Overall width, tail swing and the space needed to work the arm are what let the machine in that duty operate inside a building, between walls or in a courtyard. Clearance above matters as much as around. Door heights, pipework and overhead services set the limit for the unit on the job indoors, and measuring them first avoids a machine that arrives and cannot be used. Landscaping and ground care with a machine built for the work Grass cutting heads, rakes and tillers extend the equipment in service 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. This class of machine on rubber tracks crosses turf without stripping it, which is why the same jobs are not given to a wheeled machine. Parts, service and support for the unit in daily use Support after delivery is a parts question. Wearing items for a machine of this size - filters, belts, track components, bucket teeth and pins - are the items a buyer should plan to hold before the first service interval. Remote support is handled by video. The equipment on site 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. 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. Availability is part of the decision. Owning the unit on the job means it is there on the day the ground is ready; hiring means competing for the same machine at the same time as everyone else in the season. 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 a machine built for the work should be supplied.
Reference specification — mini excavator range 20-3W 30-2W 15L 20-2L Operating weight 1900 kg (4188.78 lb) 2700 kg (5952.48 lb) 1400 kg (3086.47 lb) 1900 kg (4188.78 lb) Transport size (L×W×H) 2550 × 1100 × 2200 mm 3000 × 1100 × 2700 mm 2200 × 930 × 2250 mm 2600 × 1300 × 2344 mm Max digging depth 1800 mm (70.87 in) 2200 mm (86.61 in) 1700 mm (66.93 in) 2100 mm (82.68 in) Max digging height 2820 mm (111.02 in) 3000 mm (118.11 in) 2750 mm (108.27 in) 2880 mm (113.39 in) Max dumping height 2050 mm (80.71 in) 2000 mm (78.74 in) 1960 mm (77.17 in) 2100 mm (82.68 in) Max digging radius 3050 mm (120.08 in) 3800 mm (149.61 in) 2900 mm (114.17 in) 3215 mm (126.57 in) Max digging distance 2300 mm (90.55 in) 3050 mm (120.08 in) 2300 mm (90.55 in) 2460 mm (96.85 in) Minimum turning radius 1450 mm (57.09 in) 1750 mm (68.9 in) 1450 mm (57.09 in) 1587 mm (62.48 in) Travel speed 5 km/h (3.11 mph) 7 km/h (4.35 mph) 3 km/h (1.86 mph) 5 km/h (3.11 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) 1-1.3 L/h (0.264—0.343 gal) 2-3 L/h (0.528—0.793 gal) Fuel tank capacity 16 L (4.23 gal) 16 L (4.23 gal) 10 L (2.64 gal) 16 L (4.23 gal) Hydraulic oil tank 18 L (4.76 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) 230 mm (9.06 in) 180 mm (7.09 in) 180 mm (7.09 in) Dozer blade drop depth 210 mm (8.27 in) 280 mm (11.02 in) 210 mm (8.27 in) 210 mm (8.27 in)
Q. What is a hydraulic hammer used for on a mini excavator?
A. Breaking concrete, rock and pavement so that the material can be removed by the bucket. It is the attachment that turns a compact machine from an excavator into a demolition and breakout tool on the same site.
Q. What does the machine need for a hammer?
A. A hydraulic circuit matched to the hammer and, in most cases, a quick coupler so the hammer and the bucket can be swapped on site. Both are settled at order stage so the machine arrives ready for the attachment.
Q. Which model suits hammer work?
A. Hammer work suits the mid and larger models in the compact range, because the machine has to carry the hammer and hold position while breaking. Tell us the material and the access and MINGYI will propose the model and hammer combination.
Keeping a service record for the equipment in service
The record should follow the machine, not the owner. When this class of machine changes hands the service history travels with it, and a complete folder is often the difference between a quick sale and a long one.
Wear items and spares worth holding for the unit in daily use
The parts that stop a machine are rarely the parts that are hardest to find. Filters, belts, seals and the ground engaging tools on a machine of this size are easy to hold and slow to replace, which is why they belong on the shelf rather than on an order.
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