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Text version of the page
19
model 8000
clamshell
Boom:
Welded lattice construction using tubular, high-tensile steel
chords with pin connections between sections.
Basic boom length: 40 ft (12.2 m)
Max. boom length: 70 ft (21.3 m)
Limit on clamshell bucket weight: 4,600 lbs (2,100 kg)
Boom Component Chart
Boom length ft (m) Boom arrangement
50 (15.2) Base-A-Tip
60 (18.3) Base-A-A-Tip, Base-B-Tip
70 (21.3) Base-A-B-Tip
Base = 20 ft (6.10 m)
Insert: A = 10 ft (3.05 m)
B = 20 ft (6.10 m)
Tip = 20 ft (6.10 m)
Load Radius
Center
of
Rotation
Clamshell Capacities
42,258 lb Counterweight
lb x 1 000
40
16.0
16.0
16.0
16.0
16.0
50
16.0
16.0
16.0
16.0
16.0
60
16.0
16.0
16.0
16.0
14.5
12.3
Boom
ft
Radius
22
26
30
36
40
46
50
56
60
66
70
16.0
16.0
16.0
14.3
12.3
11.2
9.7