Title:
BELT,MOWER 67 (KU-K512371420)
Description:
The KU-K512371420 belt delivers precise, efficient power transfer to your mower deck, ensuring smooth blade engagement and a consistently clean cut. Designed for 67-inch deck systems, it drives optimal blade speed—so you achieve uniform cutting results while maintaining peak machine performance.
Manufacturers build this belt with high-strength reinforced materials to handle continuous load and high-speed operation. Its low-stretch tensile cords actively maintain correct tension, which reduces slippage and keeps blade rotation consistent. As a result, you protect critical components while improving cutting efficiency.
The belt’s precision-moulded profile fits securely into pulley systems, maximising contact and grip. This design reduces vibration during operation and limits wear on spindles, idlers, and bearings. Consequently, you extend the lifespan of both the belt and the entire drive system.
In addition, the durable outer wrap shields the belt from heat, debris, and abrasion—allowing it to perform reliably in demanding mowing conditions. Because it meets OEM specifications, you can install it quickly and confidently, minimising downtime and restoring performance fast. Ultimately, this belt keeps your Kubota mower running smoothly, efficiently, and reliably.
Model Fitment:
Lawn & Garden Tractors
- Kubota T1880
- Kubota T1880A / T1880A2
Mid-Mount Mower Decks
- RCK40LTBEC
- RCK42-LT20
- RCK42LT20EU
- RCK48-LT23
Commonly used across RCK42 and RCK48 deck systems, ensuring reliable blade drive and cutting efficiency.
Part Details:
- Part Number: KU-K512371420
- OEM Reference: K5123-71420
- Application: Mower deck / PTO drive belt
- Belt Length: Approx. 67” (1700 mm class)
- Construction: Reinforced rubber with high-tensile (Kevlar/polyester) cords
- Deck Compatibility: 40”–48” cutter decks
- Key Features:
- High resistance to heat, oil, and wear
- Low stretch for consistent tension retention
- Smooth, efficient power transmission
- Reduced vibration and belt slip
- Designed for compact deck durability
