Title
KX037-4 Lower Track Roller (RC78821702)
Description:
This is a genuine Kubota equivalent part, built to OEM specifications for durability and reliable performance. The track roller assembly sits on the undercarriage of a tracked excavator. It supports machine weight through the roller frame, guides and stabilises the rubber or steel tracks during operation it also reduces friction between the moving track and undercarriage frame and helps ensure even track wear and smooth motion over terrain.
Model Fitment:
KX033-4
U35-4
Part Details:
| Part Name – |
Track Roller Assembly (Lower / Bottom Roller) |
| OEM Part Number – |
RC788-21702 |
| Alternate Part Numbers – |
RC788-21700, RC78821702, RC78821700 |
| Brand – |
Kubota (Genuine OEM) |
| Component Type – |
Undercarriage Track Roller / Bottom Roller |
| Role – |
Supports track movement, load-bearing member of undercarriage |
| Installation – |
Direct replacement on specified excavator models |
| Material – |
Hardened steel with sealed bearings (OEM build) |
| Typical Symptoms of Wear – |
Track slippage, uneven travel, noise, accelerated undercarriage wear |
| Mounting Location – |
Lower undercarriage frame – track section |
