42" Deck Rebuild Kit for MTD Craftsman T1000 T1200 T1400 T1800, Troy Bilt TB42 Bronco Pony Mower, Includes 2 Spindle 618-06991 918-06991, 2 Blade 742-0656 742-04312 942-04038, 1 Be lt 754-05056

What It Is

This 42" deck rebuild kit provides all the essential wear parts to restore cutting performance on MTD/Craftsman T1000-T1800 series and Troy-Bilt Bronco/Pony mowers with a 42-inch stamped deck. It includes two spindle assemblies, two blades, and one drive belt—everything needed for a complete deck overhaul in one box.

Fitment & Compatibility

Before buying, verify your mower has a true 42-inch cutting deck (measure blade tip to blade tip). This kit fits:

• Craftsman T1000, T1200, T1400, T1800 (models with 42" deck)
• Troy-Bilt TB42 Bronco, Pony (42" stamped steel deck)
• MTD 42" decks using OEM spindle part 618-06991 / 918-06991

Check your existing spindle part number—if it’s 618-06991 or 918-06991, these are direct replacements. The blades (742-0656, 742-04312, 942-04038) are 21.5-inch high-lift blades. The belt (754-05056) is a 1/2" x 105" K-section belt. Not compatible with 46" or 54" decks, or zero-turn mowers.

Key Things to Know

• Quality is decent for the price – Spindles are aftermarket but use sealed bearings and fit OEM housings. Blades are stamped steel, not hardened, so expect shorter life on rough terrain.
• Installation is moderate – Requires basic tools (socket set, jack stands, penetrating oil). Spindle bolts are often seized; plan for a breaker bar and possibly a torch.
• Belt may need adjusting – The included belt is a generic replacement; you may need to tweak tensioner position or belt routing for proper engagement. Check your deck’s belt diagram before installing.
• Blades are directional – Ensure the air-lift wing is facing up toward the deck. Installing upside-down will cause poor cut and vibration.

Should You Buy It

If your 42-inch MTD/Craftsman or Troy-Bilt deck has worn spindles (noise, wobble), dull blades, or a slipping belt, this kit saves you the hassle of sourcing parts individually. It’s a practical, cost-effective solution for DIY homeowners who want to refresh a tired deck without paying dealer prices. Avoid if you need OEM-grade spindles for commercial use or have a different deck size.