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8Tons Mini Excavator


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: 


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:

The spacious cab provides the operator with working environment of superior comfort, excellent visibility, low noise, ergonomics and ease of operation. The joystick swing boom and auxiliary switches clear large space on the floor to give the operator a spacious legroom. Moreover, an intuitive cab layout allows for operation ease and fatigue –free working environment.

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
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: