742-05177 Ultra High-Lift Bagging Blades Set for Cub Cadet MTD Troy Bilt 42" Zero-Turn Mower, Replaces 742P05177, Compatible with Enduro XT1-LT42 XT2-LX42 Ultima ZT1-42 ZT1-42E ZTS1-42 (2 Pack)

What It Is

This is a set of two ultra high-lift bagging blades designed for 42-inch zero-turn and lawn tractor decks from Cub Cadet, MTD, and Troy-Bilt. They are optimized for superior grass clipping discharge into a bagger, making them ideal for frequent mulching or collection in medium-to-large yards.

Fitment & Compatibility

Before buying, confirm your mower has a 42-inch cutting deck and that the blade measures 20.5 inches long with a 1-inch center hole and 0.25-inch thickness. These blades replace OEM part 742P05177 and are compatible with Cub Cadet Enduro XT1-LT42, XT2-LX42, Ultima ZT1-42, ZT1-42E, and ZTS1-42 models. They also fit many MTD and Troy-Bilt zero-turns and tractors with 42-inch decks using a 5-point star or universal spindle pattern. Always verify your deck’s blade mounting pattern (5-point star or oval) and check your mower’s manual or OEM part number to avoid return hassles.

Key Things to Know

• Installation: Easy bolt-on replacement—no modification needed. Use a torque wrench to tighten to 40–50 ft-lbs; over-tightening can strip the spindle.
• Performance: The high-lift design creates strong airflow for bagging but may reduce mulching quality. Not ideal for side-discharge use.
• Durability: Heat-treated steel holds an edge well, but hitting rocks or roots can cause bending. Inspect after heavy use.
• Common Gotcha: If your deck has a different spindle pattern (e.g., 3-point star), these blades won’t fit—measure before buying.

Should You Buy It

If you own a compatible 42-inch Cub Cadet, MTD, or Troy-Bilt mower and prioritize bagging performance over mulching, this set delivers reliable, OEM-quality results at a fair price. It’s a solid upgrade for users who bag frequently and want consistent clipping collection without paying dealer markup.