Characteristics
Definition – It’s a special designed hydraulic thumb with only the cylinder bracket welded on excavator arm.
Applied Size – It’s for 1 to 50 tons under most circumstances, but we could make it larger to fit customers’ s require.
Characteristic – Pin-on thumb pivots directly on the pins to allow its tine to follow the bucket teeth, staying coincident in all angles. Application – Similar with manual thumb and other two types of hydraulic thumb, pin-on hydraulic thumb is also applied in grabbing materials and holding them from falling.
Basic Info
(1) What is a pin-on link thumb?
It’s a special designed type of hydraulic thumb pivoting directly on the pins,
| Pin-on Hydruaulic Thumb | ||||||
| Model | RSBM-HT03 | RSBM-HT05 | RSBM-HT08 | RSBM-HT12 | RSBM-HT20 | |
| Length L(mm) | 700 | 1000 | 1000 | 1200 | 1500 | |
| Width W(mm) | 200 | 400 | 450 | 450 | 640 | |
| Number of Tine | 2 | 3 | 4 | 4 | 4 | |
| Rotating angle | 150 | 150 | 150 | 150 | 150 | |
| Weight (kg) | 78 | 120 | 198 | 283 | 447 | |



