148-3729 Idler for CATERPILLAR Undercarriage Parts Aftermarket Parts Dozer Manufacturer Top Quality

About Idler

Premium Materials and Craftsmanship: Made of high-strength boron steel, the wheel rim is deep-induction hardened for an ultra-high surface hardness (HRC 55+), while the core is strong and wear-resistant.

Extremely Long Service Life: Precision manufacturing (CNC machining), rigorous quality inspection, and long-lasting seals (multi-lip oil seals/labyrinth) and high-quality bearings ensure a lifespan close to that of OEM parts, minimizing downtime.

Significant Cost Advantage: Top-quality components are priced 30-50% lower than OEM parts, offering excellent value and reducing total operating costs.

Precise and Reliable Fit: Conforms strictly to OEM specifications, ensuring immediate installation and operation (100% interchangeability), perfectly matching specific CAT models.

Why choose us?
✅ Focus on chassis components for 15 years – Serving customers in 50+ countries around the world, with cumulative shipments exceeding 200,000 pieces
✅ One-stop solution – Providing a complete set of sprockets + track shoes + rollers + supporting wheels to reduce procurement complexity
✅ Flexible customization services – Supporting personalized needs such as material upgrades, special coatings, brand laser marking, etc.
✅ Fast delivery – Always in stock, shipped within 7 days, supporting multiple trade terms of DDP/FOB

FAQ

1, Are you a trade company or a factory?

Echoo is a manufacturer specializing in undercarriage parts

2, What type of undercarriage parts do you offer?

Steel track group, rubber track, sprocket, roller, bolts&nuts, rubber buffer, track adjuster assy, conveyor chain, conveyor belt.

3, What machines can the parts be used for?

excavators, CTL, pavers, dozers, cranes, and cold milling machines.

4,What information should I provide if I want to buy a part?

Machinery Model, Part number, or size dimension. Or you can take a picture of your machine or old parts.