Description
Restore smooth, reliable blade operation with this high-quality deck spindle assembly for Bad Boy mowers. Designed to replace worn or damaged spindles, this unit fits a wide range of CZT, ZT, Pup, and Lightning mower models — from 48″ up to 72″ deck sizes.
Whether you’re maintaining a commercial fleet or upgrading your personal mower, this OEM-grade spindle offers a direct fit, durable construction, and long-lasting performance.
Replaces OEM Part Numbers:
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037-6015-00
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037-6015-50
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037601500
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037601550
Fits the Following Bad Boy Mowers:
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CZT Series – with 48″, 52″, 54″, and 60″ decks
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ZT Series – with 50″ and 60″ decks
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Pup Series – with 48″ to 72″ decks
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Pup Lightning Series – with 48″ to 72″ decks
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Outlaw XP – 2015–2016 models with 61″ or 72″ decks
Key Features:
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OEM-grade quality – Engineered for durability and performance
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Pre-greased bearings – Ready to install out of the box
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Heavy-duty construction – Withstands high blade speeds and tough mowing conditions
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Bolt-on fitment – Designed to match OEM spindle spacing and specs
Specifications:
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Mounting: 4-bolt pattern
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Shaft: Splined
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Includes pulley mount and housing (blade bolt sold separately)
Important Notes:
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Confirm spindle part numbers or dimensions before ordering
Satisfaction Guarantee:
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Brand new, high-quality replacement part
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Packaged securely and ships fast
Suggested Add-Ons:
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Blade set (match your deck size: 48″, 54″, 60″, or 72″)
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Deck belt for complete performance restoration
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Spindle bolt kit or mounting hardware
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Mower maintenance pack (filters, oil, spark plugs)
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