English
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The YW30-25 excavator-loader is a machine developed by our factory to meet the demands of market economy development. Through the adoption of new technologies and computer optimisation, its performance metrics meet or exceed the advanced standards of comparable products. It is suitable for applications including highway construction, urban development, mining, oilfield operations, agricultural water conservancy projects, material handling, excavation for various infrastructure projects, and pipeline/tunnel excavation.
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Unique mechanism of connecting rod of bucket enables the bucket to rotate by 180°, which simplifies the digging operation of vertical arm.
The selection and use of quick change couplers of work device make it possible to replace bucket and the other work devices quickly and easily without the use of any special pin shafts, tools or bucket.
Four-wheel drive improves the tractive force further.
Middle-position open type hydraulic system and heavy-duty tandem gear pump make the accurate measurement and portable and stable operation possible.
The driver's cab is advanced in the same trade with its wide visual field for operation. Simple service and maintenance brings about great convenience for the user.
I. Overall Dimensions | VI. Engine | ||||
1 | Outline dimension (mm) | 5800x2268x3720 | 1 | Model | Yudong 4105 Turbocharged |
2 | Wheel base (mm) | 2370 | 2 | Type | Turbocharged |
3 | Track width (mm) | 1640 | 3 | Rated power (KW) | 85 |
4 | Min ground clearance (mm) | 300 | 4 | Rated speed (r/min) | 2600 |
5 | Min turning radius (mm) | 5000 | 5 | Cylinder No.-bore | 4-105 |
II. Performance Parameters | VII. Transmission System | ||||
1 | System pressure (Mpa) | 20 | 1 | Gearbox | Fixed shaft power shift |
2 | Machine weight (kg) | 7650 | 2 | Number of gears | 2 forward, 2 reverse |
3 | Max speed (Km/h) | 22 | 3 | Torque converter | YJ280 |
4 | Max climbing capacity (°) | 35 | |||
III. Excavator Parameters | VIII. Steering System | ||||
1 | Max telescopic digging depth (mm) | 4000-5200 | 1 | Type | Articulated full hydraulic steering |
2 | Max digging radius (mm) | 5300/6600 | 2 | Steering angle (°) | 36 |
3 | Max lifting height (mm) | 5880/7000 | |||
4 | Max unloading height (mm) | 4200/5000 | IX. Axle | ||
5 | Bucket capacity (m³) | 0.3 | 1 | Type | Primary wheel side reduction axle |
6 | Angle of rotation of excavator (°) | 190 | |||
IV. Loader Parameters | X. Tires | ||||
1 | Max unloading height (mm) | 2770 | 1 | Specification | 16/70-20 |
2 | Max unloading distance (mm) | 925 | 2 | Service brake | Air-over-oil disc brake |
3 | Bucket capacity (m³) | 1 | 3 | Parking brake | Air brake |
4 | Rated load capacity (kg) | 2500 | |||
V. Oil Capacity | XI. Others | ||||
1 | Fuel tank (L) | 60 | 1 | Driving type | 4×4 |
2 | Hydraulic oil tank (L) | 60 | 2 | Speed change type | Hydraulic transmission |
3 | Operating system | Electro-hydraulic pilot control | |||
*Specific parameter changes shall be subject to the actual product
| 1.Urban Municipal Engineering |
| Ideal for gas, water supply & drainage, communication pipeline excavation, road repair, lamp base construction and pavement crushing. Highly maneuverable without trailers, one machine completes digging, backfilling, leveling and crushing. |
| 2.Building Foundation & Site Construction |
| Applied to house foundation trenching, basement earthwork, construction waste removal, site leveling and backfilling. Flexible in narrow sites, replaces excavators and loaders to efficiently finish basic civil engineering. |
| 3.Road Maintenance & Subgrade Engineering |
| Responsible for subgrade excavation, ditch trimming, old pavement breaking, sand & gravel loading and road maintenance. Capable of long-distance transfer, stable for new road construction, reconstruction and daily maintenance. |
| 4.Agricultural Irrigation & Land Reclamation |
| Suitable for irrigation ditch digging, desilting, pond renovation, field leveling and agricultural material transportation. Expandable with attachments for multifunctional operations in rural construction and farm improvement. |
| 5.Emergency Rescue & Site Clearing |
| Used for post-disaster earthwork cleaning, landslide clearance, temporary drainage excavation, rubble removal and road unblocking. Strong mobility and fast response for rapid deployment in rescue and reconstruction. |
| Q: What are large backhoe loaders mainly used for? |
| A: Large backhoe loaders are typically applied in road construction, large-scale municipal engineering, industrial park development, water conservancy renovation projects, and major pipeline laying work. Featuring stronger digging force and larger loading capacity, they are well-adapted to continuous operation in open-area scenarios. |
| Q: What are the advantages of a large backhoe loader over a compact model? |
| A: Compared with compact backhoe loaders, large ones boast greater digging depth, higher loading height, and larger bucket capacity, along with more powerful lifting performance. Moreover, their heavy-duty axles and reinforced structures ensure stable operation in complex ground conditions and heavy-load tasks, which greatly enhances work efficiency in large-scale operations. |
| Q: Can large backhoe loaders be used in mines or quarries for support work? |
| A: Absolutely. In mines, quarries and similar workplaces, large backhoe loaders are frequently employed for clearing work zones, handling stockpiles, breaking oversize materials with a hydraulic breaker, and constructing temporary access roads. Their ability to quickly switch attachments enables them to adapt to various demanding support tasks effectively. |
| Q: How do large backhoe loaders contribute to large‑scale pipeline projects? |
| A: In large-scale pipeline projects, large backhoe loaders can be used to dig long trenches, backfill soil, transport materials via the front loader bucket, and level the construction site. In contrast to single-function equipment, they help reduce the number of machines required on site and optimize workflow efficiency during pipeline construction. |
| Q: Are large backhoe loaders suitable for the rental market? |
| A: Yes, they are highly suitable for the rental market. Thanks to their multi-functional design, large backhoe loaders allow rental companies to meet a wide range of customer needs, such as road maintenance, industrial facility construction, and agricultural water management projects. Additionally, they retain high resale value and have relatively controllable maintenance costs, making them a reliable choice for rental fleets. |
