Product Details
Aftermarket front idler grp 311-b for Caterpillar Track Excavators.
Use the Parts Request form and include your machine details. CSC will confirm fitment, availability, and current pricing before creating an order.
Known Equipment Fitment Sample
| Make | Type | Model | Section | Qty |
| Caterpillar | Excavator (Track) | 311 | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 311B | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 311DLRR | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 311DRR | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 311FLRR | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312 | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312D | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312D2 | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312D2 GC | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312D2L | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312DL | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312E | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312EL | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312F | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 312FGC | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 313B | 2 | |
| Caterpillar | Excavator (Track) | 313C | 2 | |
| Caterpillar | Excavator (Track) | 313CSR | 2 | |
| Caterpillar | Excavator (Track) | 313D | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 313D2 | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 313D2GC | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 313D2L | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 313F | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 313FGC | Undercarriage | 2 |
| Caterpillar | Excavator (Track) | 313FL | Undercarriage | 2 |
Additional fitments are available for review. CSC should verify serial number and equipment details before quoting.