L3940GST-3 Oil Seal for Kubota L3940HST-3 L3940HSTC L4060GST L3940HSTC-3 L4060DT

Oil Seal for Kubota

This oil seal is a replacement component designed for select Kubota tractor models, functioning to retain lubricant and exclude contaminants from the transmission or axle housing. It is compatible with several L and M series tractors, including those with HST and GST transmissions, and serves as a direct replacement for the worn original seal. This oil seal ensures reliable sealing performance for your Kubota equipment.

Overview

This oil seal is a precision-engineered component for Kubota tractors, designed to prevent oil leaks and protect internal drivetrain parts from dirt and moisture. It is a necessary part for maintaining proper fluid levels and operational integrity in compatible HST and GST models. This oil seal offers a durable and accurate fit for the specified Kubota applications.

Built For Performance

• High-quality rubber compound resists hardening and cracking from oil exposure
• Reinforced outer metal shell provides stable housing in the bore
• Precision lip profile ensures effective sealing on rotating shafts
• Compatible with multiple Kubota model variants including L3940 and L4060 series
• Manufactured to standard dimensions suitable for OEM replacement

Fits These Machines

• for Kubota L3940GST-3
• for Kubota L3940HST-3
• for Kubota L3940HSTC
• for Kubota L3940HSTC-3
• for Kubota L4060GST
• for Kubota L4060DT

On-The-Job Use

• Used during transmission or rear axle repair to address leaking seals
• Installed in tractors operating in agricultural, landscaping, or property maintenance tasks
• Applied when performing preventative maintenance to avoid drivetrain contamination
• Suitable for replacement in both gear-driven and hydrostatic transmission models

Specs At A Glance

Good To Know

Q: How do I know if this oil seal is the right one for my tractor? A: Cross-reference your machine's model number (e.g., L3940HST-3) with the compatibility list provided, and confirm the seal's inner diameter and outer diameter match your original part.

Q: What tools are needed for replacing this oil seal? A: Typical tools include a seal puller, a socket or driver for pressing the new seal in evenly, and a clean shop rag. Proper seating is essential to prevent future leaks.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.