Product Description
Track Width
- Fits all Caterpillar 277B undercarriages
- SKU: 18X4X56A-CR277B
About the Bar Tread Pattern
The Bar (Multi-Bar) pattern maximizes ground contact area, giving a stable, even footprint on flat terrain. The continuous bar design distributes weight across a larger surface than lug patterns, which improves stability during lifting and loading on firm, level ground. A good fit for warehouse yards, paved lots, and flat jobsites.
Know Your Machine: Caterpillar 277B Undercarriage Facts
The 277B is a radial-lift Caterpillar compact track loader with a 2,950 lb rated operating capacity. At approximately 9,411 lbs operating weight, it delivers strong pushing and lifting performance for landscaping, site prep, grading, and utility work.
What's Inside the Track
| Component | Specification | Why It Matters |
|---|---|---|
| Iron Cores | Drop-forged steel embeds · pitch-spaced | Maintain track shape |
| Steel Cords | Acid-washed · continuous cord layer | Prevent stretching |
| Rubber Compound | Wear-resistant · premium bonding agent | Protects cords from moisture |
| Bar Tread | Continuous bar design | Stable on flat surfaces. |
| Lug Height | ~1" nominal new depth | Replace when worn below ⅓ remaining |
Track Dimensions
| Size | Width | Pitch | Links | SKU |
|---|---|---|---|---|
| 457mm Width | 457mm (18") | 101.6mm | 56 | 18X4X56A-CR277B |
*Product names are used to describe the correct application and do not indicate affiliation or endorsement by the respective equipment manufacturer. Caterpillar® is a registered trademark of Caterpillar Inc.. ⚠ Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and reproductive harm. For more information visit www.P65Warnings.ca.gov.
*The product name is intended to describe the correct application and does not indicate affiliation or endorsement of the respective machine maker.
