Machine description: CATERPILLAR 310 HYDRAULIC THUMB, CATERPILLAR PART NUMBER 540-6735, CONNECTING LINES INCLUDED, FOR USE WITH: Pin-on or Pin grabber coupler, SOLD AS IS... more info about the Caterpillar 310 HYDRAULIC THUMB.
Machine description: 4 TOOTH DEISGN, CATERPILLAR FULL ROTATION THUMB, CATERPILLAR PART NUMBER 578-2516, FOR PIN ON USE, MESHES WITH 42" BUCKETS SD(541-1770) GD (552-8269) HD (541-1747), SOLD AS IS... more info about the Caterpillar 330-335 FULL ROTATION THUMB.