1. Summary
A.
The first 4m3 Excavator 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, on sale about 560 sets
C.
Dominant products of 4m3: WK-4A, WK-4B and WK-4C three types, on sale about 226 sets
WK-4C is the 4m3 excavator newest 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 |
Machinery
