Milton CAT 320D FM - Manual (Page 10)

Cat 360 Degree Continuous Rotating
Log Loading Grapples for Forestry
Machines are high capacity tools, built
for endurance in high-volume logging
applications. GLL grapple legs are made
of high-strength alloy steel with unique
leg profiles for maximum performance
in picking/sorting, bunching/loading or
shoveling applications. Large bunches
of stems or single large logs are easily
handled by the wide grapple opening
(60"/1524 mm), while interlocking legs
close down to 5"/127 mm for picking
and sorting. Cat grapples have bolt-on
access panels allowing for easy
serviceability and are backed by the
world-class Caterpillar Dealer Network.
360-Degree Continuous Rotation.
High torque hydraulic motor positions
the grapple precisely for rapid sorting
and loading.
Hydraulic Cylinders. Heavy-duty wall
construction delivers durability and
maximum closing power move the
maximum amount of wood per pass.
Legs. Built with high-strength alloy steel
for maximum durability. Optimized
profile performs equally well whether
sorting, bunching or shoveling.
Pins. Induction-hardened alloy pins
float, decreasing wear.
Serviceability. Bolt-on access panels
protect the grapples internal components,
while providing easy access. Long service
intervals and infield servicing result in
more uptime and lower operating costs.
10
Caterpillar Grapples
Caterpillar Forest Machines combined with Cat Log Loading Grapples mean optimal
performance, reliability and on-the-job productivity.
GLL Specifications/Dimensions
GLL52B GLL55B GLL60B
Weight (kg/lb) 1255/2,767 1291/2,840 1344/2,965
Width (mm/in) 1725/68 1765/70 1935/76
A Height, open (mm/in) 2134/84 2184/86 2261/89
B Height, closed (mm/in) 2159/85 2210/87 2286/90
C Maximum Opening (mm/in) 1321/52 1397/55 1524/60
D Minimum Opening (mm/in) 127/5 127/5 127/5
Rotation, continuous 360° 360° 360°
Rotation torque
at 1,200 psi (N·m/ft lb)
1153/850 1153/850 1153/850
Matching Guide
GLL52B GLL55B GLL60B
320 FM
324 FM
325 FM
330 FM
Provides optimum machine match.
Provides acceptable machine match.