Description
The link group is driven by the sprocket and final drive. It supports the weight of the machine, provides a rail for the machine to travel on, and provides a place for the track shoes to attach.
Features
In sealed tracks, there is contact between the internal pins and bushings, and wear begins immediately because of friction between the two parts. This results in a significant increase in the internal wear life of the link group. Grease lubricated track link groups are a direct replacement for sealed link groups on Cat hydraulic excavator models.
Specifications
| Number of Track Links | 38 |
|---|---|
| Bolt Size | 1/2 mm (1/2 in) |
| Undercarriage System | HD |
| Track Pitch | 135 mm (5.3 in) |
| Track Shoe Bolt Hole Spacing A | 46 mm (1.811 in) |
| Link Outside Spacing | 101.9 mm (4.012 in) |
| Link Inside Spacing at Roller | 57.3 mm (2.256 in) |
| Bushing Outside Diameter | 35.07 mm (1.381 in) |
| Number of Links | 38 |
| Pin Retention System | Press Fit |
| Rotating Bushing Track | No RBT |
| Rail to Pin Boss Outside Diameter | 19.7 mm (0.776 in) |
| Pin Length | 140 mm (5.512 in) |
| Rail to Bushing Outside Diameter | 18.5 mm (0.728 in) |
| Bolt Hole Diameter | 12.5 mm (0.492 in) |
| Track Shoe Bolt Hole Spacing C | 104 mm (4.094 in) |
| Track Shoe Bolt Hole Spacing B | 80 mm (3.15 in) |
| Link Height | 67 mm (2.638 in) |
| Link Inside Spacing at Sprocket | 49.6 mm (1.953 in) |
| Track Bolt Thread | M12 |
| Master Link Type | Press-Fit Master Link |
| Main Bolt Thread | M12 |
| Wear Sensor | None |
| Seal and Lubrication Type | Seal |
| Track Reinforcement System | Not Applicable |
| Grease Lubricated Track Type | Not Applicable |
Compatible Equipment
- Mini Excavators: 305.5E2, 306, 305.5E
- Excavators: 306E2, 306E
Additional information
| Machine Model | |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |
