GY20050 Deck Mandrel for John Deere 42 48 L100 L107 L108 L110 GY20785 M155979

Product Overview

This deck mandrel is a direct replacement for John Deere lawn tractor mowing decks, designed to transfer power from the drive belt to the blades. It ensures smooth and consistent blade rotation for a clean cut on residential properties. The mandrel is built to meet OEM specifications for reliable performance.

Key Features & Performance

• Precision-engineered to match OEM dimensions and tolerances
• Includes bearing assembly for low-friction operation
• Constructed from durable steel to withstand daily mowing conditions
• Easy bolt-on installation with no modifications required
• Directly replaces John Deere part numbers GY20050, GY20785, and M155979

Fitment & Compatibility

• Fits John Deere 42" deck models (L100, L107, L108, L110)
• Fits John Deere 48" deck models (L100, L107, L108, L110)
• Compatible with multiple John Deere L-Series lawn tractors

Common Uses

• Replacing worn or damaged mandrel on John Deere L-Series mowers
• Restoring blade engagement on 42" and 48" cutting decks
• Maintaining consistent cut quality during regular lawn mowing

Technical Specifications

• Part Number(s): GY20050, GY20785, M155979
• Deck Size Compatibility: 42", 48"
• Construction: Steel with sealed bearing
• Mounting Type: Bolt-on replacement

Frequently Asked Questions

Q: Will this mandrel fit my John Deere L110 with a 48" deck? A: Yes, this mandrel is compatible with the John Deere L110 when equipped with a 42" or 48" deck, as it matches OEM part numbers used on that model.

Q: Does the mandrel come pre-greased? A: The bearing is factory lubricated and sealed for maintenance-free operation; no additional grease is required.

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