BCQNXX Ultra High-Lift Bagging Blades for 42" Zero-Turn Mowers — 2-Pack, Heat-Treated Steel, 7/8" Center Hole

These BCQNXX Ultra High-Lift Bagging Blades are a 2-pack replacement set engineered to restore strong suction and clean bagging performance on 42" Cub Cadet, MTD and Troy-Bilt zero-turn and lawn tractor decks.

If your mower’s bagging or discharge has weakened, worn blades are often the cause. The BCQNXX 742-05177 replacement blades match the diamond-hole pattern and S-pattern spindle compatibility found on many 42" decks, offering a direct-fit option for models that originally used part numbers such as 742-05177, 742P05177 and related OEM references. Each blade is heat-treated steel with the measurements and center hole size needed to fit most 42-inch cutting systems that call for a high-lift profile.

How do these blades improve bagging and clipping lift?

High-lift blades are shaped to generate stronger upward airflow beneath the deck, pulling grass into the chute and into the bag. Replacing dull or damaged blades with properly profiled high-lift blades restores the air column that lifts clippings, so bagging is consistent and discharge is minimized.

• High-lift profile increases vacuum under the deck for better clipping capture.
• Two blades included to service both cutting positions quickly.
• Correct center hole (7/8") and diamond hole pattern for direct fit.

Will these blades fit my Cub Cadet, MTD or Troy-Bilt 42" mower?

These BCQNXX blades are manufactured to match common 42" replacement specs used by Cub Cadet, MTD and Troy-Bilt. They list compatibility with Enduro and XT/XT2/Ultima and ZT-series tractors and also fit certain Craftsman 42" decks, but you should confirm your deck’s original part number before ordering.

• Replaces OEM numbers like 742-05177, 742P05177 and 742P05528.
• Dimensions: 21-1/4" long, 2-3/4" wide, 0.135" thick, 7/8" center hole.
• Diamond-hole blade pattern compatible with S-pattern spindles.

What materials and build quality do these replacement blades offer?

The BCQNXX set uses heat-treated steel for durability and edge retention under normal cutting conditions. Properly hardened steel resists bending and deforming from everyday impacts, and the bevel is ground to provide effective cutting while preserving lift characteristics.

• Heat-treated steel construction for toughness and prolonged life.
• Precision hole pattern and thickness for secure mounting and balance.
• Edges suitable for sharpening if you prefer to hone blades between replacements.

How should I maintain and install these high-lift blades?

Installation follows the mower manufacturer’s torque and safety guidelines: disconnect the spark plug, raise and secure the mower, then replace blades one at a time to maintain correct orientation and balance. Inspect blade condition periodically and replace if bent, cracked or excessively worn.

• Always disconnect spark and follow deck-lowering safety steps before working.
• Tighten to manufacturer torque and ensure blade orientation matches original high-lift profile.
• Check balance after installation and sharpen only when needed to maintain lift shape.

Who this set is for: Landscapers and homeowners who own 42" deck Cub Cadet/MTD/Troy-Bilt or compatible Craftsman tractors and need a cost-effective, OEM-pattern replacement to restore bagging performance. Choose the BCQNXX 742-05177 two-pack if your mower specifies the listed OEM numbers or matches the blade dimensions and hole pattern — it’s a practical option for regular maintenance, seasonal tune-ups, or when worn blades are causing poor bagging or uneven cuts.