Title:
BELT(MOWER,100) (KU-K512971420)
Description:
The KU-K512971420 belt delivers powerful, consistent performance across Kubota mower deck systems, ensuring smooth blade engagement and a precise, even cut. Designed as a 100-length deck drive belt, it actively transfers engine power to the cutting blades—so you maintain optimal blade speed and achieve professional results in every pass.
Kubota engineers this belt using high-strength reinforced rubber compounds to handle continuous load and high-speed operation. Its tensile cords resist stretching, which allows the belt to hold correct tension over time. As a result, you reduce slippage, maintain blade synchronisation, and protect key drivetrain components from premature wear.
The belt’s precision-moulded profile fits securely within pulley systems, maximising surface contact and improving power transfer efficiency. Consequently, it reduces vibration during operation 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 in mowing environments. Because it meets OEM standards, you can install it quickly and confidently, reducing downtime and restoring peak machine performance. Ultimately, this belt keeps your Kubota mower running efficiently, reliably, and consistently.
Model Fitment:
Lawn & Garden Tractors
- Kubota GR Series (select models)
- Kubota T Series (select models)
Mid-Mount Mower Decks
- RCK42 Series
- RCK48 Series (select configurations)
Part Details:
- Part Number: KU-K512971420
- OEM Reference: K5129-71420
- Application: Mower deck / blade drive belt
- Belt Length Class: 100”
- 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
