Volvo excavators extended arm main form a complete set of machine weight and configured to:
 
10 to 16 tonnage Volvo excavators extended arm, can be extended to 13 m, its configuration is: digging bucket, a bucket cylinder, pin six, four high pressure hose, three butter tube, a connecting rod assembly, high pressure hose has matched extended arm (7.1 meters) and elongated forearm (5.9 meters) in a group, the weight of one to three tons;
 
20-22 tonnage Volvo excavators extended arm, can be extended to 15.38 meters, its configuration is: digging bucket, a bucket cylinder, pin six, four high pressure hose, three butter tube, a connecting rod assembly, high pressure hose has matched extended arm (8.22 meters) and elongated forearm (7.16 meters) in a group, the weight of one to three tons;
 
20-25 tonnage Volvo excavators extended arm, it can be extended to 18 meters, its configuration is: digging bucket, a bucket cylinder, pin six, high-pressure hose four, three butter tube, a connecting rod assembly, high pressure hose has matched extended arm (10 meters) and elongated forearm (8 meters) each group, the weight of one to three tons;
 
25 to 34 tonnage Volvo excavators extended arm, can be extended to 20 meters, its configuration is: digging bucket, a bucket cylinder, pin six, four high pressure hose, three butter tube, a connecting rod assembly, high pressure hose has matched extended arm (11 meters) and elongated forearm a group (9 meters) and weight of one to three tons;
 
35-40 tonnage Volvo excavators extended arm, can be extended to 22 m, its configuration is: digging bucket, a bucket cylinder, pin six, four high pressure hose, three butter tube, a connecting rod assembly, high pressure hose has matched extended arm (12 meters) and elongated forearm (10 meters) each group, the weight of one to three tons;