WD20 Series 1.8Ton Compact Diesel Crawler Excavator with Kubota/Laidong Engine
The WD20 Series Compact Diesel Crawler Excavator is a versatile 1.8-ton class hydraulic digger engineered for medium-duty construction, agricultural trenching, and utility works. Available in two distinct engine configurations—WD20-J equipped with a premium Kubota D902 engine (11.8 kW) and WD20-L featuring a high-power Laidong KM385B-216A engine (18.4 kW)—this series delivers smooth breakout force and high hydraulic stability. Featuring a load-sensing main valve and expandable track chassis (1020 mm to 1350 mm width), the WD20 combines narrow access flexibility with strong digging capability.
WD20 Series 1.8Ton Compact Diesel Crawler Excavator with Kubota/Laidong Engine Specifications :
| Price | Contact us |
| Place of Origin | China |
| Min.Order Quantity | 1 |
| Payment Terms | OEM、ODM、OBM |
| Supply Ability | 1000 |
| Delivery Detail | one month |
WD20 Series 1.8Ton Compact Diesel Crawler Excavator with Kubota/Laidong Engine Detail Introduction :
| Specification Category | Parameter / Item | Unit | WD20-J Specification | WD20-L Specification |
| Overall Weight & Bucket | Gross Weight | kg | 1790 | 1880 |
| Rated Bucket Capacity | m³ | 0.04 | 0.04 | |
| Engine & Power | Engine Model / Brand | — | Kubota D902 | Laidong 385 (KM385B-216A) |
| Rated Power | kW | 11.8 (Euro 5 / EPA) | 18.4 (Euro 5) | |
| Rated Speed | RPM | 2300 | 2350 | |
| Gradient / Climbing Ability | ° | 30 | 30 | |
| Main Valve System | — | Load-Sensing Valve | Load-Sensing Valve | |
| Dimensions & Chassis | Overall Length / Transport Length | mm | 3623 | 3623 |
| Overall Width | mm | 1020 / 1350 | 1020 / 1350 | |
| Upper Structure Width | mm | 1020 | 1020 | |
| Overall Height | mm | 2517 | 2517 | |
| Track Width | mm | 230 | 230 | |
| Track Gauge | mm | 750 / 1120 | 750 / 1120 | |
| Minimum Ground Clearance | mm | 155 | 155 | |
| Tail Swing Radius | mm | 939 | 939 | |
| Track Ground Contact Length | mm | 1190 | 1190 | |
| Total Track Length | mm | 1577 | 1577 | |
| Working Range | Maximum Digging Height | mm | 3372 | 3372 |
| Maximum Dump Height | mm | 2386 | 2386 | |
| Maximum Digging Depth | mm | 2220 | 2220 | |
| Maximum Digging Reach | mm | 4055 | 4055 | |
| Minimum Swing Radius | mm | 1886 | 1886 | |
| Height at Minimum Swing Radius | mm | 2606 | 2606 |
Dual Engine Options: Choose between the ultra-reliable 11.8 kW Kubota D902 engine (Euro 5 / EPA compliant) or the high-power 18.4 kW Laidong KM385B engine to match regional emission standards and operational demands.
Advanced Load-Sensing Hydraulic System: Features a load-sensing main valve that adjusts hydraulic oil flow according to load resistance, providing smooth multi-function movements and fuel efficiency.
Telescopic Width Track Chassis: Overall machine width expands from 1020 mm to 1350 mm, allowing entry through narrow side-gates while offering superior lateral balance when fully extended during deep excavation.
Impressive Excavation Reach: Delivers a 2220 mm maximum digging depth, a 3372 mm maximum digging height, and a broad 4055 mm maximum digging reach with a standard 0.04 m³ bucket capacity.
Operator Ergonomics & Mobility: Compact 939 mm tail swing radius and a 30-degree climbing gradient ensure reliable mobility across sloping, soft, or unpaved terrain.
Product Applications
Municipal Infrastructure & Cable Laying: Excavating trenches for water lines, gas pipes, and electrical cables along urban roadsides.
Agricultural Farms & Orchards: Irrigation ditch maintenance, root clearing, orchard planting, and fence installation.
Landscaping & Site Preparation: Foundation digging, garden grading, decorative stone placement, and retaining wall construction.
Why Choose Us?
World-Class Powertrain Integration: Powered by proven Kubota or Laidong diesel engines, guaranteeing fast global spare parts availability.
Reinforced Steel Structure: Fabricated with high-strength boom structures and heavy-duty rubber tracks built for long working service lives.
Direct Factory Technical Support: Full OEM backing with dedicated online technical assistance and quick component dispatch.


