5T057-42230 Safety Switch for Kubota B1700 B21 B2100 B2301 B2320 B2400 B2410 B26

Product Overview

This safety switch prevents engine start or shuts down power if operator presence or PTO engagement conditions are not met in Kubota B-series tractors. It directly replaces the factory 5T057-42230 switch on models including B1700, B21, B2100, B2301, B2320, B2400, B2410, and B26. Ensuring safe operation during mowing, tilling, and loader work.

Key Features & Performance

• OEM replacement safety switch with identical mounting and electrical connections
• Weather-resistant housing protects against dust, moisture, and vibration
• Normally-open or normally-closed contacts match original Kubota circuitry
• Snap-action mechanism provides positive click engagement for reliable signal

Fitment & Compatibility

• Kubota B1700
• Kubota B21
• Kubota B2100
• Kubota B2301
• Kubota B2320
• Kubota B2400
• Kubota B2410
• Kubota B26

Common Uses

• Replacing faulty seat switches that prevent engine cranking
• Restoring PTO engagement safety function on mid-mount mowers
• Repairing safety interlock circuits on compact utility tractors
• Maintaining operator presence detection for loader and backhoe operations

Technical Specifications

• Part Number(s): 5T057-42230
• Switch Type: Push-button / plunger style
• Contact Configuration: SPDT (single pole double throw)
• Voltage Rating: 12V DC
• Amperage Rating: 10A

Frequently Asked Questions

Q: Is this safety switch compatible with Kubota B2601 or B2650 models? A: No, this switch is designed specifically for B1700 through B26 models listed; later B-series tractors use different switch part numbers.

Q: Can I test the switch before installing it? A: Yes, use a multimeter to check continuity between terminals when the plunger is pressed and released; the switch should activate as per your tractor's wiring diagram.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.