WASHER,SPRING (KU-0451270120)

Title:

WASHER,SPRING (KU-0451270120)

 

Description:

The KU-0451270120 spring washer secures bolted connections by applying continuous tension under load, which helps prevent loosening caused by vibration and movement. It sits beneath a bolt or nut and maintains clamping force over time.

Kubota designs this washer for use across structural, hydraulic, and engine assemblies, so it supports reliable fastening in demanding agricultural and construction environments.

Model Fitment:

The 0451270120 washer fits a wide range of Kubota equipment and typically supports fastening systems in frames, hydraulics, and engine assemblies.

 

Tractors (B / L / M Series)

Used in frame joints, axle assemblies, and hydraulic mounting points.

B Series:

• B1700, B2100, B2400, B2410, B2650, B7800

L Series:

• L2500, L2600, L3010, L3130, L3540

M Series:

• M8540, M9540

Common applications:

• Chassis and frame bolts
• Steering and axle components
• Hydraulic mounting points

 

Mini Excavators (KX / KH Series)

This washer prevents loosening in high-vibration hydraulic and structural components.

KX Series:

• KX41-2, KX61-2, KX71-3, KX121-3

KH Series:

• KH51, KH61, KH91

Typical uses:

• Control valve mounting
• Boom and arm assemblies
• Hydraulic brackets

 

Mowers & Grounds Equipment

Supports fastening in deck assemblies and structural components.

F Series:

• F2880, F3060

Grass Catchers / Attachments:

• GCK54-24B, GCK72H-300Z

Rotary Tillers:

• FL1021R, FL1271

Typical locations:

• Mower decks
• Attachment mounting systems

 

Loaders & Attachments

Used in subframes, brackets, and implement mounting systems.

• BX Series loader subframes
• BT backhoe assemblies
• Hydraulic mounting brackets

 

Engines & Industrial Equipment

The washer secures engine components and auxiliary systems, especially where vibration occurs.

Common uses:

• Engine mounting bolts
• Pump and accessory brackets
• Generator frame assemblies

 

Part Details:

• Type: Spring washer (lock washer / split washer)
• Material: Hardened spring steel
• Function: Prevents fastener loosening by maintaining tension
• Design: Split-ring shape that creates resistance under compression
• Application: Used with bolts and nuts in vibration-prone areas
• Installation: Fits directly under bolt head or nut

Also referred to as:

• Lock washer
• Split washer
• Retaining washer