The thumb is weld in place
Installation required min.48" Clearance on the stick,
This HYDRAULIC Thumb use 1-1/4" pins for the cylinder
& 2" pins , is 40" long, the jaws are 10-3/4" wide & the
mounting plate is 7-1/2" wide,
The jaws are 5/8" thick, approx. weight 190 pounds.
Bore, Rod 1-1/2" and 1-1/4" pins
Made of material 44W or A36