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SDLG E660FL New 5 6 Ton Hydraulic Crawler Mini Digger Excavator
E660FL
Product Introduction
The E660FL is a versatile mini excavator designed to perform well in a variety of working conditions. It is an upgraded version of E660F and has the characteristics of energy saving, reliability, comfort, flexible operation and low noise. This makes it ideal for a wide range of applications, including construction sites, municipal construction, farmland improvements, landscaping projects, pipe laying, and more.
One of the outstanding features of the E660FL is its compact structure, which provides excellent mobility and adaptability to different working conditions. Coupled with its fast action speed and high operating efficiency, it ensures productivity at different job sites.
Powering the E660FL is an original Japanese Yanmar engine, known for its four-valve structure, large air intake volume and automatic idle function, all of which contribute to low energy consumption and optimal performance.
The load-sensing hydraulic system is another key highlight, allowing the main control valve to operate independently of the load. This ensures that the coordination of movements is independent of the load, providing precise control of the different actuators. The result is excellent controllability and high work efficiency, increasing the overall productivity of the machine.
In addition, E660FL is also equipped with a three-stage filtration system, including a two-stage oil-water separator and a first-stage fine filtration. This setup ensures high efficiency, good oil adaptability and a more durable engine, contributing to long-term reliability and performance.
The upper frame of E660FL adopts an overall reinforced structure, which has compact structure, good rigidity, uniform load distribution, small deformation and high reliability. This rugged design ensures the machine can withstand the demands of a variety of work environments.
The control system of the E660FL includes an eye-catching color monitor that allows the operator to monitor the machine's operating status at any time. Additionally, convenient pilot handles and control switches are within easy reach and easy to operate, enhancing the overall user experience and efficiency.
All in all, the E660FL is a powerful and adaptable compact excavator designed to deliver outstanding performance, reliability and comfort in a variety of working conditions. Its advanced functionality and thoughtful design make it a valuable asset for construction, landscaping and infrastructure projects.
Product parameters
| Total mass (kg) | 6050 | Slewing speed (r/min) | 0～11.5 |
| Bucket capacity m3 | 0.21 | Traveling speed (low/high) (km/h) | 2.4/4.8 |
| Bucket capacity range | - | Maximum digging force (kN) | 45 |
| Average ground pressure (mm) | 32 | - | - |
| Overall length (mm) | 5930 | Contour dimension of complete machine (transfer position) (mm) | - |
| Overall width (mm) | 1960 | Overall width of upper assembly | - |
| Overall height (mm) | 2620 | Overall width of chassis (mm) | - |
| Boom length (mm) | 3030 | Overall height to cab top (mm) | - |
| Wheel track | 1540 | Rear slewing radius (mm) | 1670 |
| Arm length (mm) | 1540 | Overall height to hood top (mm) | - |
| wheelbase（mm） | 1990 | Ground clearance of upper assembly (mm) | - |
| Crawler wheelbase/Wheelbase (mm) | - | Overall length of crawler (mm) | - |
| Maximum digging radius (mm) | 5990 | Wheel track of crawler/Wheel track (mm) | - |
| Maximum digging depth (mm) | 3846 | Track shoe width (mm) | - |
| Maximum discharge height(mm) | 4163 | Minimum ground clearance (mm) | - |
| Overall length during transfer (mm) | - | Overall height of working mechanism during transfer (mm) | - |
| Shovel width (with band edge) (mm) | - | Maximum digging radius of reference ground (mm) | - |
| Maximum digging depth under length of bottom surface of 2.5m (mm) | - | Maximum vertical digging depth (mm) | - |
| Maximum digging height (mm) | - | Minimum front turning radius (mm) | - |
| Engine model | 4TNV98-EXSLGC | Number of cylinders - bore x stroke (mm) | 4-98×110 |
| Engine type | In-line、 water-cooled、 four-stroke | min fuel consumption rate | 238 |
| Engine power (KW) | 38.3 | Maximum torque (N.m)/rotation speed (r/min) | （191.8～208.6）/1650 |
| Rated rotation speed (r/min) | 2200 | Emission standard | GB 20891-2014（China Ⅲ emission） |
| Displacement (ml) | 3319 | - | - |
| Hydraulic type | Load sensing control technology | Maximum flow rate (L/min) | 137 |
| Working pressure (kgf/cm2) | 215 | Main pump model | HP3V80 |
| Main valve model | HVSE-12-08 | Motor (rotary/travel) model | JMF-30/TM07VA |
| Hydraulic control type | Pilot-actuated proportional control | - | - |
| Number of supporting wheel (one side) | 5 | Number of carrier roller (one side) | 1 |
| Track shoe width (three-teeth) (mm) | 400 | Type of travel brake | Wet disc |
| Slewing type | Hydraulic internal-tooth single-row ball bearing | Model of slewing bearing | QNA730*22Z2 |
| Type of slewing brake | Wet disc | - | - |
| Type of working load | Backhoe | Boom cylinder - bore × diameter of piston rod × stroke (mm) | 1-105×60×725 |
| Stick cylinder - bore × diameter of piston rod × stroke (mm) | 1-90×55×816 | Bucket cylinder - bore × diameter of piston rod × stroke (mm) | 1-80×50×660 |
| Dozer blade cylinder - bore x diameter of piston rod x stroke (mm) | 1-110×60×183 | Normal cycle time (s) | 9.2 |
| Fuel filling capacity（L） | 135 | Oil filling capacity of walking reducer (L) | 2×1.3 |
| Hydraulic oil filling capacity（L） | 157 | Oil filling capacity of slewing reducer (L) | 1.2 |
| Engine oil filling capacity（L） | 12 | Filling capacity of water radiator antifreeze coolant | 10 L |
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