WAW W30 mini excavator has a total weight of 3,577 kg and a bucket capacity of 0.1 m³, making it a highly efficient construction machine suited for narrow worksites and heavy-duty applications. Equipped with a Japanese Yanmar 3TNV88 engine, its 10-speed electronically controlled transmission ensures fuel efficiency and high performance. Featuring a zero-tail swing design and a narrow body, it offers flexible operation with interchangeable extended boom and stick attachments, providing a wide range of capabilities for digging, unloading, and other tasks. The hydraulic system is highly efficient and energy-saving, while the chassis and boom structure are robust. Multiple safety relief valves and hydraulic lock valves ensure construction safety. Equipped with a 7-inch touchscreen for intelligent operation, it offers a comfortable ride and ample maintenance space. The 52L fuel tank supports up to 3 days of continuous operation, making it suitable for small-scale projects and a wide range of indoor and outdoor construction scenarios.
Overall dimensions (L x W x H, mm)
4690 x 1580 x 2535Maximum digging depth
2880 mmMaximum dumping height
3155 mmMaximum bucket digging force
20.9 kNMaximum dipper arm digging force
20.9 kNTotal engine power
22.2 kWBucket capacity
0.1 m³Gross vehicle weight
3577 kg
| U30-5 U30-6 | PC30MR-5 PC 35MR-5 | CAT303 CAT303.5 | SANY26 SANY35 | XCMG XE27U XCMG XE35U | W30 | |
|---|---|---|---|---|---|---|
| Bucket capacity (m³) | 0.08 0.09 | 0.09 | 0.09 | 0.07 0.12 | 0.08 0.12 | 0.1 |
| Engine Model Power (kW) |
D1703-M-E3-BH-SG-1 20 D1803-M-DI-E2-BH-TH 20.5 |
Komatsu 3D88E-7 18.2 | Cat ® C1.1 17.6 | 3TN80F14.6 3TNV88 22.2 |
KubotaD1703 18.2 | 3TNV88 22.2 D1703-M 18.5 |
| Total weight (kg) | 3648 3215 | 3240 3870 | 3545 3692 | 2680 3780 | 2880 3875 | 3577 |
| Digging force at the boom (kN) | 17.7 20.6 | 18.9 | 14.2 18.2 | 20.9 | ||
| Bucket digging force (kN) | 27 30 | 29.5 29.9 | 28.4 33 | 27.9 30.4 | 22 30 | 31 |
| Maximum digging depth (mm) | 2880 2820 | 2760 3455 | 2950 3110 | 2826 3115 | 2880 | |
| Maximum unloading height (mm) | 3175 3145 | 3090 3400 | 3170 3520 | 3100 3445 | 3155 | |
| Fuel tank capacity (L) | 40 41.5 | 41 41 | 46 | 34 50 | 51 |

• Yanmar 3TNV88,
• 22.2 kW/2200 rpm.
• China IV emission standards
• High power and fuel efficiency

• Electronic 10-speed precise throttle control
• Simple and convenient operation

• Closed-loop load-sensing hydraulic system,
• Hengli load-sensing variable displacement piston pump
• Single pump controls all machine functions
• Highly efficient and energy-saving system

• Closed-loop load-sensing main control valve
• 9-way spool valve with load-sensing pilot control
• Highly efficient and energy-saving system

• 7-inch large touchscreen centrally displays all machine performance parameters for easy reading.
• Touchscreen control for high/low speed, work lights, and air conditioning for convenient operation
• 10-speed engine settings for precise control of engine output power, offering both convenient operation and fuel efficiency.
• Oil level, temperature, and other warning indicators
• System fault display
• Easy maintenance

• X-shaped, fully welded, high-reliability chassis with high rigidity and stability, specifically designed for heavy-duty operations.

• Swing motor—Hengli, with cross-buffering design; sudden braking does not cause abrupt stops, preventing gear damage and impact on the slewing bearing. Features soft start and soft stop mechanisms.
• Slewing Bearing – Maanshan Fangyuan: Designed for heavy-duty conditions with high reliability

Travel Motor – Hengli
Large displacement, low-speed mode: Powerful hill climbing without stalling
High-speed mode: Fast travel for high site-to-site efficiency
Automatic locking upon stopping to prevent rolling
Equipped with cross-overflow cushioning to prevent gear impact, extending service life

• Boom structure connectors are cast, minimizing deformation and stress to prevent cracking.
• The boom swing frame is integrally cast, offering high rigidity and resistance to cracking, suitable for heavy-duty construction environments
• Excellent durability and long service life

• Zero-tail swing, with a tail swing radius of 870 mm
• Overall machine width: 1580 mm
• Meets requirements for narrow work sites

• Boom and stick are each equipped with anti-drop valves to effectively prevent the boom and stick from dropping due to hydraulic hose rupture.
• The dozer blade cylinder is equipped with a hydraulic lock valve to prevent the hydraulic blade from dropping when loading or unloading the machine
• Enhances overall machine safety

• The main control valve is mounted on the side panel of the machine, facilitating maintenance and hose replacement

• The engine compartment, radiator, and filter compartment open fully, providing ample maintenance space
• Large fuel tank. Capacity: 52 L, sufficient for 3 days of operation

• The cab features high human-machine interaction, with simple and effortless controls.
Operators will not feel fatigued even after prolonged use

• Standard boom length: 2.1 m; standard dipper arm length: 1.2 m
• Can be customized with an extended boom (2.2 m) and extended dipper arm (1.4 m) as needed
• The front work equipment can be equipped with optional bidirectional control circuit attachments, such as a rotating bucket

They are suitable for indoor renovation and demolition, old building renovation, landscaping, rural roads, pipeline laying, agricultural water conservancy, greenhouse operations, emergency dredging and rescue, and other projects involving confined spaces and small-scale construction.
18-series: The smallest model, ideal for precision work in extremely confined spaces such as indoors, stairwells, and elevator shafts.
26-series: Versatile for both indoor and outdoor use, offering excellent value for money; it is the workhorse model for renovation, landscaping, and small-scale projects.
30-series: More powerful, suitable for small-scale earthwork, foundation construction, road maintenance, and similar projects.
Featuring a zero-tail swing design, the swing radius does not extend beyond the machine’s body. Combined with precise controls, this minimizes the risk of colliding with walls, structures, or furniture.
Yes. It can be equipped with attachments such as buckets, hydraulic breakers, dredging blades, and dozer blades to perform multiple processes including excavation, demolition, dredging, grading, and material removal—making it a versatile all-in-one machine.
It is compact and lightweight, so it can be transported using a small truck or pickup. Relocation is flexible and cost-effective, allowing for rapid deployment in emergency situations.
Operation is simple and intuitive, making it easy to get started. Operators can be on the job after minimal training, allowing for flexible scheduling to meet project deadlines.
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