3.5 Ton Mini Excavator

The OKW series of small excavators are the sixth-generation upgraded miniature crawler excavators after technical improvement by the NICOSAIL technical team, which further enhances the strength of the excavator body and stick, ensures continuous and stable performance output, and optimizes fuel economy. Add more optional new accessories to enable you to efficiently complete various small projects: gardens, farmland, municipal engineering, vegetable greenhouses, trenching.

Additional information

Operating Weight


Bucket capacity



ZN490/C490/Yanmar 3TNV88


36.8Kw/ 2200 rpm

Digg Depth


Dig Height


Product Details:

Overall Lengthmm4400
Overall Heightmm2200
Track widthmm300
Total track lengthmm2175
Track gaugemm1703
Platform ground clearancemm557
Working Range
Max.Digging Heightmm4450
Max.Dumping Heightmm3050
Max.Digging Depthmm2545
Max digging distancemm4630
Min radius of gyrationmm1820
height of dozermm359
depth of dozermm268
Min Tail swing radiusmm1170
Engine 1
ModelChangchai ZN490
powerKW34 kW
Cooling methodwater-cooling
Engine 2
ModelYanmar 3TNV88
powerKW19.6 kW
Cooling methodwater-cooling
Hydraulic System
Operating Pressurempa22mpa
Walking motor/Two-speed plunger
Rotary motor/Variable plunger
The main pump/ Plunger 32cc
performance parameter
Climbing ability°35°
Maximum digging forceKN55.6KN
Travel speed(High/low)km/h2.7/4.6 km/h
Unit swing speedr/min9-11 1r/min
Rail contact pressure on the groundkpa34.8 Kpa
Bucket Capacitym30.26m³
Fuel reservoirL60 L
Hydraulic tank capacityL75 L
Operating WeightKG3600kg

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