RD411-22900 Top Roller / Carrier Roller for Airman AX50U / Hitachi ZX50U / Kubota KX057 + More

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  • Part Number: RD411-22900
  • Top Roller / Carrier Roller
  • Fits Airman: AX40, AX45, AX50U, AX50U-2, AX50U-3
    Hitachi: ZX30U-2, EX40, EX40U, EX45, EX45-2, EX50, EX50U, EX50UR, EX55UR, ZX40U, ZX50U, ZX50
    JCB: 8040, 8045, 805.2, 8060
    Kubota: KX040-4, KX057-4, KX121-3, KX161-3, KX161-3SS, RX303, U30-3, U45-3, U48-4, U50-3, U55-4
    Komatsu: PC40R-8, PC45-1, PC45R-8, PCMR-2, PC35R-8
  • Sold As - Individual Roller
$145.99 $164.99 Save $19.00
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Part Number

RD411-22900
Product Type Top Roller

Fitment

Airman: AX40, AX45, AX50U, AX50U-2, AX50U-3
Hitachi: ZX30U-2, EX40, EX40U, EX45, EX45-2, EX50, EX50U, EX50UR, EX55UR, ZX40U, ZX50U, ZX50
JCB: 8040, 8045, 805.2, 8060
Kubota: KX040-4, KX057-4, KX121-3, KX161-3, KX161-3SS, RX303, U30-3, U45-3, U48-4, U50-3, U55-4
Komatsu: PC40R-8, PC45-1, PC45R-8, PCMR-2, PC35R-8

Application

Equipment Type Compact Excavator / Mini Excavator
Function Supports the upper track path and helps guide smooth track return between the sprocket and idler.

Trust & Assurance

12-Month Warranty
Free Shipping in the USA
Proven Quality
Trusted by Contractors

Same machine series may use different undercarriage parts. Please confirm RD411-22900 matches your existing roller before ordering.

Product Description

  • This aftermarket replacement top roller / carrier roller is designed for compatible Airman, Hitachi, JCB, Kubota, and Komatsu compact excavator models.
  • Top rollers, also called carrier rollers, support the upper track path and help guide the track smoothly between the sprocket and idler.
  • Built for broad multi-brand compact excavator coverage, this carrier roller helps guide upper track return across listed Airman AX, Hitachi EX/ZX, JCB, Kubota KX/U, and Komatsu PC applications.
  • Part number RD411-22900 can be used to confirm replacement compatibility with your existing top roller / carrier roller assembly.
  • Fits Airman models including AX40, AX45, AX50U, AX50U-2, and AX50U-3; Hitachi models including ZX30U-2, EX40, EX40U, EX45, EX45-2, EX50, EX50U, EX50UR, EX55UR, ZX40U, ZX50U, and ZX50; JCB models including 8040, 8045, 805.2, and 8060; Kubota models including KX040-4, KX057-4, KX121-3, KX161-3, KX161-3SS, RX303, U30-3, U45-3, U48-4, U50-3, and U55-4; Komatsu models including PC40R-8, PC45-1, PC45R-8, PCMR-2, and PC35R-8. Please verify your machine model and part number before ordering.

Key Features

Direct Replacement: Replacement top roller / carrier roller using part number RD411-22900 for compatible Airman, Hitachi, JCB, Kubota, and Komatsu equipment.

Upper Track Support: Supports the upper track path and helps guide smooth track return between the sprocket and idler.

Broad Multi-Brand Fitment: Covers listed Airman, Hitachi, JCB, Kubota, and Komatsu compact excavator carrier roller applications.

Smooth Roller Operation: Supports smooth rotation to help reduce vibration, noise, and unnecessary track wear.

Part Number & Fitment Check: Part number RD411-22900 can be used to confirm compatibility. Verify your machine model and existing top roller before ordering.

Warranty

12-Month Warranty.
Every rubber track, roller, sprocket, and idler we sell is backed by a 12-month warranty.
If it doesn’t hold up, we make it right.

Shipping

Free Shipping in the USA

We keep inventory stocked and offer fast nationwide shipping, often same or next business day, from strategically located warehouses.

Free Shipping in the USA

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12-Month Warranty

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