Zhonghe Factory custom Long Arm Boom Super Excavator Long Boom Amphibious Excavator Boom for Volvo/Cat/Liebher/Case/Sany

Introduce of dipper arm extension

Elongated arm is a group of excavator front-end working device specially designed and manufactured in order to expand the working range of excavator according to the requirements of working conditions. The connecting part strictly conforms to the connecting size of the original excavator in order to facilitate the installation and use of equipment materials: The big arm is made OF SHAOGANG Q355B, THE iron pipe on the arm is made of GB cold drawn seamless pipe, the pin shaft is made of 40Cr, the high pressure hose is made of joint venture pipe with 4 layers of steel wire ring, the butter pipe is red copper pipe, and the bushing of the big arm base is made of high force brass refined copper sleeve

For Excavator Model

Caterpillar CAT320 CAT323 CAT325 CAT329 CAT330 CAT336 CAT340 CAT345 CAT349 CAT352 CAT365 CAT374 CAT385 CAT390

Komatsu PC200 PC210 PC220 PC240 PC300 PC350 PC360 PC400 PC450 PC650

Hitachi ZX200 EX300 ZX240 EX300 ZX330 ZX350 ZX360 ZX450 ZX470 ZX650 ZX670 ZX870

KOBELCO SK200 SK210 SK250 SK260 SK350 SK360 SK380 SK500

Doosan DX215 DX225 DX300 DX340 DX380 DX480 DX500 DX520

Sany SY215 SY235 SY265 SY335 SY365 SY485

Specification

The pictures of excavator dipper arm extension