4 ton Mini Excavator For Sale
Kubota Diesel Engine (18.2 kW): Powerful and reliable performance with low noise, low vibration, and excellent fuel efficiency.
Upper Cylinder Design: Protects the cylinder, extends service life, and improves overall durability.
German Triple Pump Hydraulic System: Original “one pump, one control” design for smooth operation and precise control.
Reinforced Forged Chassis & Two-Speed Travel Motor: Extended and thickened forged chassis for high stability; high/low speed travel motor delivers stronger driving power.
Product Introduction
The CFG40UF 4T Excavator is a compact yet powerful machine designed for versatile operations in confined and light-duty job sites. Equipped with a full-opening tilt-up engine cover, the engine is easily accessible for inspection and maintenance, while the German three-way pump system with the original “one pump, one control” design ensures smooth and precise hydraulic operation. Powered by the reliable CFG40UF Kubota diesel engine delivering 18.2 kW, the excavator offers strong performance with low noise, minimal vibration, and excellent fuel efficiency. The spacious operator cabin provides generous legroom and a fore-and-aft adjustable seat, enhancing comfort during long working hours, while hydraulic pilot controls allow smooth and accurate operation. An extended and reinforced forged chassis ensures superior strength and stability, and the two-speed travel motor delivers powerful performance with smooth control across various terrains. High-brightness LED boom work lights replace traditional halogen lamps for better visibility and lower power consumption, and the left-right swing boom with an extended, thickened design increases the working radius by 18%, improving flexibility on the jobsite. The upper-mounted cylinder layout protects the cylinders, reduces wear, and enhances long-term durability, while the boom and arm are robot-welded for consistent quality and 8% greater structural strength. Hydraulic hoses routed inside the boom reduce the risk of damage, making the machine highly reliable and efficient. With its compact size, excellent maneuverability, and robust features, the CFG40UF 4T Excavator is ideal for landscaping, utility installation, indoor construction, light demolition, road maintenance, municipal projects, concrete breaking, and desilting operations.
Product Details
Full Opening Engine Cover The tilt-up engine cover exposes most of the engine, allowing easier access for inspection and maintenance. Equipped with a German three-way pump system with the original “one pump, one control” design for smooth and precise operation. |
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Equipped with a Kubota engine Powerful and dependable, the CFG40UF Kubota diesel engine delivers superior horsepower and performance. It offers low noise and vibration levels, excaptional fuel efficiency. Power:18.2 kw |
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Spacious driving experience Generous legroom and a fore-and-aft adjustable seat enhance operator comfort, while hydraulic pilot controls deliver smooth and precise operation. |
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Thickened chassis An extended and reinforced forged chassis ensures superior strength and stability. |
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Variable speed motor The two-speed travel motor delivers strong power and smooth control. |
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New LED Boom Work Light High-brightness LED headlights replace halogen lamps for better visibility and lower power consumption. |
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| Lateral swing of the upper arm The left and right swing boom increases working range and enhances jobsite flexibility. |
 | Cylinder up to The upper-mounted cylinder design protects the cylinder, minimizes wear, and enhances long-term durability. |
| Robot welding The boom and arm are robot-welded for consistent quality, increasing structural strength by 8%. |
| Built-in oil pipe Hydraulic hoses are routed within the boom, greatly lowering the risk of damage. |
| Extra-long reach; efficient coverage The boom features an industry-leading, extended, and thickened design with left-right swing, increasing the working radius by 18%. |
Product Specifications
Model Information Configuration Status | CFG40 | |
Basic Performance Parameters | ||
Working Weight(kg) | 3850 | |
Bucket capacity(m³) | 0.11 | |
Travel speed low/high speed(Km/h) | 2.3/4.0 | |
Climbing ability(%) | 30 | |
A:Maximum Digging Height(mm) | 4925 | |
B:Maximum Unloading Height(mm) | 3400 | |
C:Maximum Digging Depth(mm) | 3120 | |
E:Max. digging radius(mm) | 5390 | |
Side Swing | √ | |
Side Swing Angle (L/R) | 55/55 | |
Undercarriage Expansion | × | |
Equipment Body | ||
J:Overall Length(mm) | 4890 | |
K:Overall Width(mm) | 1700 | |
L:Overall Height(mm) | 2555 | |
Bulldozer Width/Height | 3121/4932 | |
Engine | ||
Engine Brand | Kubota | |
Maximum power(Kw) | 23.4 | |
Cooling method | Water cooling | |
Fuel Type | Diesel | |
Fuel tank | ||
Fuel tank(L) | 26 | |
Hydraulic oil tank(L) | 24 | |
Applications
The CFG40UF 4T Excavator is built for versatile, high-efficiency operations in confined and light-duty job sites. With strong digging performance, compact dimensions, and excellent maneuverability, it is ideal for agriculture, landscaping, municipal works, and utility projects—perfect for both professional contractors and private users.
Landscaping & Garden Projects
Its compact body and side-swing boom make it ideal for tree planting, garden excavation, drainage trenching, and lawn renovation. The excavator easily accesses residential gardens, parks, and green spaces, ensuring efficient work with minimal ground impact.
Trenching & Utility Installation
This excavator delivers precise trenching for cable laying, water supply, and irrigation pipeline installation. It is widely used in agricultural irrigation, utility construction, and underground service projects requiring accurate depth and width control.
Indoor Construction & Light Demolition
Compact and highly maneuverable, it excels in basement excavation, interior renovation, and indoor demolition where larger machines cannot operate.
Road Maintenance & Municipal Works
The CFG40UF is perfect for pavement repair, foundation preparation, and urban infrastructure projects. Its precision and flexibility make it highly effective in confined job sites.
Concrete Breaking & Desilting
When paired with hydraulic attachments, it handles concrete breaking, canal cleaning, drainage maintenance, and desilting operations, making it ideal for irrigation channels, riverbank upkeep, and environmental projects.
Packaging & Shipping
Our mini excavators are shipped using professional export-standard packaging and logistics solutions, ensuring maximum protection and secure delivery worldwide.
Robust Export Packaging
Each excavator is mounted on a reinforced steel frame and wrapped in protective plastic film, safeguarding key components from dust, moisture, and minor impacts during transit.
Secure Container Loading
Units are carefully loaded into standard 20GP or 40HQ containers using forklifts and ramps. They are firmly lashed and secured to prevent movement, ensuring stable and safe transportation by sea or land.
Company Profile
Established in 2009, Yancheng KMX Machinery Manufacturing Co., Ltd. is a professional manufacturer specializing in construction and landscaping machinery. The company integrates R&D, manufacturing, global sales, and after-sales service to provide reliable solutions to customers worldwide.
KMX spans over 270,000 square meters and employs more than 500 skilled professionals. To better serve international markets, it operates overseas warehouses in Chicago and Houston, ensuring fast delivery, efficient logistics, and localized support.
With a strong R&D team and 93 patents, KMX offers a wide range of loaders, excavators, and landscaping equipment, all built to international quality standards. Recognized as a National High-Tech Enterprise and a “Specialized and Innovative” Little Giant Enterprise, KMX is driven by innovation and technical excellence.
The company invests continuously in smart manufacturing and advanced technologies, including automated laser cutting, CNC machining centers, robotic welding, and digital management platforms such as PLM and ERP. These systems ensure high efficiency, precision, and consistent quality across all products.
KMX Machinery exports to Europe, North America, Asia, and Africa, building long-term global partnerships. Guided by the mission of “creating maximum value for customers,” KMX is committed to delivering innovative, dependable machinery solutions and establishing itself as a world-class mechanical manufacturing enterprise.
