1096394 Deck Spindle Assy For Exmark Toro Quest 42in 48in 52in 1165712 1098744

This Deck Spindle Assembly is a replacement spindle assembly compatible with Exmark, Toro, and Quest mowers with 42-inch, 48-inch, and 52-inch decks and matches OEM Part# 109-6394, 116-5712, 109-8744.

Product Overview

The 109-6394 deck spindle assembly is a direct replacement for worn or damaged spindle housings on Exmark, Toro, and Quest zero-turn mowers. This deck spindle assembly restores smooth blade rotation and cutting performance across 42-inch, 48-inch, and 52-inch decks. Designed to meet or exceed OEM specifications, this assembly provides the durability required for commercial and residential mowing.

Key Features & Performance

• Pre-assembled housing with sealed ball bearings for smooth operation
• Heavy-duty cast iron housing resists impact and vibration
• Fits multiple deck sizes: 42", 48", and 52"
• Greaseable bearing design extends service intervals
• Precision-machined shaft for accurate blade alignment
• Direct drop-in replacement without modifications

Fitment & Compatibility

• Exmark Quest with 42", 48", or 52" deck
• Toro Titan with 42", 48", 52" deck (select 2017+ models)
• Toro GrandStand with 42", 48", 52" deck
• Exmark Lazer Z models using part 109-6394 spindle assembly
• Other mowers using OEM part numbers 116-5712 or 109-8744

Common Uses

• Replacing a seized or noisy spindle assembly on a zero-turn mower
• Scheduled maintenance to prevent bearing failure during peak season
• Upgrading older spindle housings to current sealed-bearing design

Technical Specifications

• Part Number(s): 109-6394, 116-5712, 109-8744
• Housing Material: Cast iron
• Bearing Type: Sealed ball bearing
• Deck Sizes Compatible: 42", 48", 52"
• Shaft Diameter: Standard 16mm

Frequently Asked Questions

Q: Will this spindle fit my Toro 60-inch deck? A: This assembly is designed specifically for 42-inch, 48-inch, and 52-inch decks. It will not fit 60-inch decks.

Q: Is the spindle pre-greased? A: The bearings are factory-greased, but periodic greasing via the zerk fitting is required for longevity.

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