Description
147-6343-01 – 121-7988-01 Toro Front Caster Fork
Superseded by: 121-7988-01
Genuine OEM Toro Part
The Toro 147-6343-01 Caster Fork is a genuine OEM front caster yoke used on a wide range of Toro GrandStand®, GrandStand Revolution®, and ProLine® commercial mowers. This part has been superseded by Toro part number 121-7988-01, which is the current direct replacement and fully interchangeable.
This heavy-duty caster fork supports the front caster wheel, allowing smooth steering, deck stability, and consistent ground tracking in commercial mowing conditions.
Product Details
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Original Manufacturer Part Number: 147-6343-01
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Current Replacement Part Number: 121-7988-01
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Brand: Toro
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Part Type: Front Caster Fork / Caster Yoke
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Location: Front Caster Assembly
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OEM Status: Genuine Toro replacement part
Function
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Supports and aligns the front caster wheel
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Allows full 360° caster rotation
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Maintains deck stability and straight tracking
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Designed for high-impact, commercial mowing environments
Compatible Toro Equipment (Common Applications)
Used across many Toro commercial mower platforms, including:
Toro GrandStand® & GrandStand Revolution®
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48″, 52″, 60″, 122 cm, and 132 cm TURBO FORCE® decks
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Side-discharge, rear-discharge, and Multi-Force® models
Toro ProLine® Commercial Walk-Behind Mowers
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48″, 54″, and 60″ floating cutting units
(Installed in front caster assemblies across extensive model and serial ranges.)
⚠️ Due to the large number of compatible models, always verify fitment using your mower’s model and serial number before ordering.
Installation Notes
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Fork only — caster wheel, bearings, spacers, and hardware sold separately
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Inspect pivot bushings and caster bearings during installation
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Torque fasteners to Toro factory specifications
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Replace fork if bent, cracked, or excessively worn
Important Fitment Note
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Toro 147-6343-01 is no longer produced
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Toro 121-7988-01 is the correct OEM replacement
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Ordering 121-7988-01 will fully replace 147-6343-01 with no modification required
The Toro 147-6343-01 / 121-7988-01 Front Caster Fork restores proper steering control, caster alignment, and durability on Toro commercial mowing equipment.
