Fits Kubota TRACK EXCAVATOR TOP ROLLER KX121-3 KX161-3 RD411-22900 (TR484)
Fits Kubota TRACK EXCAVATOR TOP ROLLER KX121-3 KX161-3 RD411-22900 (TR484)
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One New Aftermarket Replacement Top Roller Fits Kubota Mini Excavators
This aftermarket replacement top roller (also called a carrier roller or upper roller) mounts on the upper track frame of the undercarriage and keeps the track chain properly aligned during operation. It is a critical wear component in the undercarriage system, supporting track tension and reducing premature wear on surrounding components.
Specifications
- Weight: approximately 7 lbs
- Construction: Forged carbon steel with sealed bearing assembly
- Sealed design protects against dirt, debris, and moisture intrusion
Compatible Models
Fits Kubota Mini Excavators: KX121-3, KX121-3S, KX121-3ST, KX161-3, KX161-3S, KX161-3SS, KX161-3ST, KX040-4 (serials 25914 and below), KX057-4, U30-3, U45-3, U45S, U45ST, U48-4, U50-3, U55, U55-4, U55-5, RX303
Hitachi Excavators: EX30-1, EX30-2, EX30UR-1, EX35-1, EX35-2, EX40, EX40U, EX45, EX45-2, EX50, EX50U, EX50UR, EX55UR, ZX30U-2, ZX35U, ZX40U, ZX50U, ZX50
Note Fits Kubota KX040-4: Fits serial number 25914 and below only. Verify serial number before ordering.
Replaces Part Number(s):
RD411-22900, 4392416
Aftermarket Interchange Numbers
TR484, RD547-22900, RD411-21703, RD461-21900, 4357784
New aftermarket replacement part - not remanufactured, not used.
