WK-4C Mine-use Excavator

A.	The first 4m³Excavator had been manufactured in 1961, now it is still running in Neimenggu Pingzhuang and playing its role
B.	4m³ Excavator early stage products: D-4 and WK-4 two series
C.	Dominant products of 4m³: WK-4A, WK-4B, WK-4C and WK-4D four types, on sale about 226 sets
D.

2. WK-4C Excavator

WK-4C is the 4m³ excavator new generation modified product, had manufactured 6 sets, got good reflection from users and will gradually replace the WK-4A, may widely used in Metallurgy, Coal etc. middle and small opencast mines for excavating and stripping works, as well as Petroleum, Chemistry, Hydro-power, Construction etc. earth/stone work engineering.

Technical Spec. of WK-4C
Nominal bucket volume	4m³	Main motor	250kW
Lifting speed	0.855m/s	Max. Excavating radius	14.3m
Pushing speed	0.53m/s	Max. Excavating height	10.1m
Traveling speed	0.43km/h	Max. Dumping radius	12.65m
Max. Lifting force	480kN	Max. Dumping height	6.3m
Max. Pushing force	230kN	Excavating depth	3.2m
Max. Crawling angle	12°	Working weight	202t
Average bearing pressure	243kPa	Theoretical productivity	572m³/h


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