4 Ton Mini Excavator
| Basic parameters of the whole machine | Total weight | 3600KG |
| shipping length | 4530(mm) | |
| Total height during transportation | 2750(mm) | |
| Transport width | 1600(mm) | |
| Tire center distance | 2210(mm) | |
| Counterweight ground clearance | 883(mm) | |
| umber of tires | 8-650 | |
| Boom length | 2400(mm) | |
| Stick length | 1200(mm) | |
| Working Range | Max.Digging Height | 3840(mm) |
| Max.Dumping Height | 3050(mm) | |
| Max.Digging Depth | 2100(mm) | |
| Max.Digging radius | 4300(mm) | |
| Minimum radius of gyration | 1250(mm) | |
| Maximum lifting upper/lower | 400/300(mm) | |
| Dynamical system | Model | LD490 |
| power | 34KW | |
| Cooling method | In-line 4-cylinder, water-cooled, direct injection | |
| Hydraulic System | Operating Pressure | 22mpa |
| Rotary motor | Plunger | |
| Main pump | Variable plunger | |
| Performance parameter | Bucket Capacity(SAE) | 0.26m³ |
| Maximum digging force | 55.6KN | |
| Travel speed | 2.2KM/h | |
| Unit swing speed | 9-11r/min | |
| Hydraulic oil capacity | 75L | |
| Hydraulic tankcapacity | 60L |
Introduction
The ZJ40 4 Ton Mini Excavator is a compact, high-performance machine built for efficiency in municipal maintenance, rural infrastructure, and small engineering projects. Combining lightweight design with reliable digging capability, it delivers stability and flexibility for diverse work environments.
Features
With an operating weight of 3,600 kg, the ZJ40 mini excavator offers a balance between mobility and power. Its reinforced wheeled chassis and high-strength steel frame ensure durability while allowing smooth operation in narrow alleys, rural roads, and urban areas without requiring trailer transport.
Powered by a 4-cylinder diesel engine, it maintains consistent performance and energy efficiency. The excavator's 0.26 m³ bucket, maximum digging depth of 2.1 meters, and rated digging force of 55.6 kN make it ideal for soil excavation, sand loading, and light construction material handling. A hydraulic control system enables 360° rotation, offering wide working coverage and precise control for multi-angle operations.
Advantages
Designed with operator comfort in mind, the ZJ40 features an ergonomic driver's seat, intuitive instrument layout, and clear field of vision to improve work safety and accuracy. The anti-slip, wear-resistant tires enhance traction and stability on muddy, rocky, or uneven surfaces.
Routine maintenance is simplified through easily accessible service points, reducing downtime and operational effort. Its compact yet robust structure ensures reliable use in constrained environments, combining performance with ease of transport and setup.
Applications
The ZJ40 4 Ton Mini Excavator is widely applied in municipal works, small-scale construction, rural road building, and maintenance projects. It efficiently completes tasks such as earthmoving, trenching, material transport, and site preparation. Offering a practical blend of strength, precision, and economy, it is an ideal solution for small to medium-sized contractors aiming to boost productivity and lower operating costs.
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