Is that the same as an YW-6? See "h"
Here's the specs for it:
Specification JW-03 and Gulin YW-6
a. Bucket capacity: 1.060 cubic feet.
b. Bucket width: 11 inches at rear and 15 inches across the face
c. Over-all dimensions (during transportation): H7.5 x L14.7 x W5.2 feet
d. Maximum digging depth: 5.9 feet
e. Maximum digging radius: 9.18 feet
f. Bucket rotating angle: 160°
g. Discharging height: 8.2 feet
h. Extension width (with supporting legs extended): 5.9 feet
i. Weight: 1,339 pounds