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8Tons Mini Excavator
Description:
We are one of the largest manufacturers and suppliers of crawler excavator in China, including hydraulic compact diggers. This W285-8 8tons compact crawler digger is equipped with a 0.36m3 bucket and a high-performance YANMAR engine. The use of Rexroth hydraulic pump and valve provides perfect performance, high reliability, serviceability and stability. Also, an air conditioned cab and a dozer are applied for this compact digger. A spacious cab allows for comfortable and fatigue-free working environment. Intuitive seat-mounted controls provide high accuracy and efficiency.This 8tons compact crawler digger is developed and manufactured by combining our more than 20 years’ professional experience with referring to advantages of similar products. So this compact digger delivers high cost-performance ratio and can be normally work under complicated working conditions.
Features of Compact Crawler Digger:
1.Power system: this compact digger is equipped with an imported YANMAR engine. A turbocharger is used inside this engine to improve its power and the net power of this engine if 53.1kw. The emission of this engine meets the requirements of European II. Additionally, this YANMAR engine features high quality and reliability, high power and low noise.2.Hydraulic system: all the key parts of the hydraulic system are internationally widely used ones; this hydraulic system works faster and is more cost efficient. Pilot joystick, travel motor and rotary motor from well-known Jesung Hydraulics are used to enhance the performance of this excavating equipment.
3.Running system: four wheels are sharing one panel belt. The strengthened panel provides rigid frame, strong wear resistance, high reliability and stability and longer service life.
4.Spacious and comfortable cab: the cab offers a spacious workspace with all-around visibility provides the safety and comfort and increases productivity.
Compact Digger and Features:
1.Engine:

The YANMAR engine offers higher power, performance and digging force to this W285-8 8tons compact crawler digger. The high digging force provides power even through the most compacted ground with smooth control.
2. Cab:

3.Hydraulic parts (pump, valve):


Rexroth or Toshiba hydraulic pump and valve are applied for this W285-8 compact digger. The smooth responsive hydraulics can meet the different application requirements of customers from fine grading, dozing to backfilling.
4. Structural parts (dozer, bucket):
A dozer is equipped to improve the versatility of the W285-8 compact crawler digger. Powerful bucket, big digging forces and faster cycle time provides high productivity and best-in-class performance.
Specifications of Compact Digger:
Items | Models | |
W285-8 | ||
Engine System | ||
Brand & Origin | YANMAR | |
Model | 4TNV98T-SFN | |
Rated Power (kW/rpm) | 53.1/2200 | |
Max. Torque (N.m) | 312.7/1500rpm | |
Idle Speed (rpm) | 1000 | |
Engine Displacement (L) | 3.318 | |
Engine Oil Capacity (L) | 5.3-12 | |
Fuel Tank Capacity (L) | 148 | |
Fuel Consumption Rate (g/kw.h) | ≦244 | |
Hydraulic System | ||
Main Pump | Brand & Origin | Toshiba / Rexroth |
Rated Pressure (MPa) | 27.4 | |
Nominal Displacement (L/min) | 200 | |
Multiple Unit Valve | Brand & Origin | Toshiba / Rexroth |
Rated Pressure (MPa) | 27.5 | |
Hydraulic Motor | Travel Motor Brand & Origin | Eaton / Rexroth |
Traveling Speed (H/L km/h) | 4.1/2.6 | |
Swing Motor Brand & Origin | Toshiba / Eaton | |
Swing Speed (r/min) | 11 | |
Hydraulic Oil Tank Capacity (L) | 112 | |
Working Specifications | ||
Weight (kg) | 8250 | |
Bucket Capacity (m3) | 0.36 | |
Bucket (mm) | 781 | |
Bucket Digging Force (kN) | 59.1 | |
Arm Digging Force (kN) | 42.8 | |
Ground Pressure (KPa) | 37 | |
Grade ability | 35° | |
Max. Digging Depth (mm) | 4231 | |
Max. Digging (mm) | 7150 | |
Max. Digging Radius (mm) | 6793 | |
Max. Discharging (mm) | 5139 | |
Min. Ground Clearance (mm) | 367 | |
Min. Swing Radius (mm) | 1791 | |
Overall Dimensions L× W × H (mm) | 6502×2285×2633 |
All crawler excavators can be equipped with assistive devices like breaking hammer: