Product Overview
Part Number: RD118-21700,RD148-2170 Compatible with Kubota KX121-3 KX121-3S KX040-4 Mini Excavator Rubber Track
KX121-3S KX040-4 Mini Excavator Rubber Track
- 【DIRECT REPLACEMENT】Bottom track roller RD118-21700, cross reference OEM number RD148-21700. Designed for Kubota mini excavator models KX121-3, KX121-3S, KX121-3ST and KX040-4 for accurate fitment.
- 【DUAL-FLANGE GUIDING STRUCTURE】Double flange design effectively limits lateral movement of tracks, prevents track deviation and derailment, maintains stable driving performance during excavation, climbing and heavy load operation.
- 【PREMIUM SEALING & WEAR RESISTANCE】Adopts heavy-duty double lip oil seal structure to lock internal lubricant and block mud, sand and dust. High-strength forged roller body reduces wear, avoids premature oil leakage and roller failure.
- 【HEAVY-DUTY FOR HARSH WORKING CONDITIONS】Made of reinforced wear-resistant alloy material, precision machined surface. Suitable for muddy, rocky, dusty construction sites, extending undercarriage service life and lowering maintenance frequency.
- 【STRICT PRE-SHIPMENT QUALITY INSPECTION】Manufactured to meet or exceed OEM specifications. Each roller undergoes pressure and sealing testing before delivery. Please verify your original part number and machine model prior to purchase.
