Title:
BLADE 40-B K146 (KU-K511171940)
Description:
Achieve a clean, even cut across compact mower decks with the BLADE 40-B K146 (KU-K511171940)—a genuine Kubota cutting blade engineered for precision and durability in smaller deck applications.
Specifically, this 40-inch deck blade is designed to deliver efficient grass lift and smooth discharge, ensuring a consistent finish across lawns and turf areas. Moreover, its hardened steel construction enhances edge retention and resistance to wear. As a result, it provides reliable cutting performance while reducing vibration and extending mower deck component life.
Model Fitment:
Primary Deck Compatibility
This blade is designed for Kubota 40” mower decks, particularly:
- RCK40LT Series
- RCK40LTB Series
- RCK40-16T
These are mid-mount mower decks commonly used on compact tractors and lawn tractors.
Confirmed Deck Variants
- RCK40LT
- RCK40LT (T1460 / T1560 variants)
- RCK40LTB
- RCK40LTB (T1570 / T1670 variants)
These decks typically require:
- 2 blades per 40” deck for full cutting width
Compatible Kubota Machinery (Host Units)
These mower decks—and therefore this blade—are commonly fitted to:
Kubota Lawn / Garden Tractors
These are compact ride-on tractors designed for residential and light commercial mowing.
Part Details:
- Part Name: Blade 40-B K146
- Part Number: KU-K511171940 / K5111-71940
- Category: Mower Deck Cutting Blade
- Manufacturer: Kubota (OEM Genuine)
- Blade Length: ~20-3/8″ (≈518 mm)
- Deck Size: 40” cut
- Blade Requirement: 2 per deck
- Center Hole: ~11/16″
- Material: Hardened steel
- Application: Lawn & turf mowing
