| Params | operating weight: 4,000 kg bucket capacity: 0.12 m³ engine: YANMAR 3TNV88-BSSY / 3TNV88R-ESSY, displacement 1.642 L rated output / speed: 20.2 kW / 2,200 rpm; 18.2 kW / 2,200 rpm maximum flow: 99 L/min travel speed: 4.5 / 2.7 km/h swing speed: 9.5 rpm maximum gradeability: 58° bucket digging force at power max: 30 kN boom length 2,487 mm, arm length 1,370 mm working pressure: 25.5 MPa average grounding pressure: 33.6 kPa volume of hydraulic tank: 50 L volume of fuel tank: 41 L emission standard: EPA Euro5 overall dimensions: length 4,800 mm, width 1,740 mm, height 1,715 mm to top of boom and 2,480 mm to top of cab working range: maximum digging height 4,665 mm, maximum dumping height 3,420 mm, maximum digging depth 3,135 mm, maximum vertical wall digging depth 2,295 mm, maximum digging reach at ground level 5,100 mm, minimum swing radius 2,195 mm undercarriage: rubber or steel track, track plate width 300 mm, tail swing radius 850 mm, track ground length 1,660 mm, gauge 1,440 mm, minimum ground clearance 320 mm | Material | main structure: S355 steel, laser cut and robot welded side-swing connector: integrated cast steel, no welded joint, four load-bearing faces pins: quenched and tempered, galvanized, surface hardness above 500 HB, internal bushing to reduce friction hydraulic cylinder: high-precision cold-drawn seamless steel tube, concentricity and perpendicularity tolerance within 0.01 mm, NOK sealing rings (Japan), steel cylinder guards hydraulic hoses: Continental and Danfoss, rated -40 °C to +100 °C, multi-layer steel wire braiding, spring-wrapped protection sleeve tracks: rubber or steel engineering track, Yonggu brand, track plate width 300 mm bucket: wear-resistant high-strength plate with high-manganese steel teeth, replaceable coating: shot blasting plus electrostatic spray, three-layer anti-corrosion finish (two primer coats and one top coat) |
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