BELT[MOWER,42] (KU-K555936710)

Title:

BELT[MOWER,42] (KU-K555936710)

Description:

The KU-K555936710 belt delivers reliable, high-efficiency power transfer across Kubota 42-inch mower decks, ensuring smooth blade engagement and a consistently clean cut. Designed specifically for compact cutting systems, it actively maintains optimal blade speed—so you achieve precise, even results across every pass.

Kubota manufactures this belt using premium reinforced rubber compounds that withstand continuous load and high-speed operation. Its high-tensile internal cords resist stretching, allowing the belt to hold correct tension over time. As a result, you reduce slippage, maintain consistent blade synchronisation, and protect critical drivetrain components from premature wear.

The belt’s precision-engineered profile fits securely within pulley systems, maximising grip and improving power transfer efficiency. Consequently, it reduces vibration and minimises wear on spindles, idlers, and bearings—helping extend the lifespan of your entire mower deck.

In addition, the durable outer wrap protects against heat, debris, and abrasion commonly encountered during mowing. Because it meets OEM specifications, you can install it quickly and confidently—restoring peak cutting performance with minimal downtime. Ultimately, this belt ensures dependable operation and long-term reliability for Kubota 42” deck systems.

Model Fitment:

Kubota Zero-Turn Mowers

• Kubota Z122R
• Kubota Z1-421

Kubota Mower Decks

• RCK42P Series
• RCK42P-122Z
• RCK42P (select configurations)

Commonly used on 42” cutting decks, ensuring efficient blade drive and consistent cutting performance.

Part Detail:

• Part Number: KU-K555936710
• OEM Reference: K5559-36710
• Application: Mower deck / blade drive belt
• Deck Size Compatibility: 42-inch cutter decks
• Construction: Reinforced rubber with high-tensile cords
• Key Features:
  • Resists heat, oil, and wear
  • Maintains consistent tension under load
  • Transfers power smoothly and efficiently
  • Reduces vibration and belt slippage
  • Extends mower deck component lifespan