42 in Mower Blades for John Deere D130 D110 D105 D125 X300 Z225 - High

Our review of these 42 in mower blades focuses on fit and performance for John Deere 42 in decks. These blades are aimed at owners of models such as D130, D110, D105, D125, X300 and Z225 who need a heavy, reliable replacement that supports both bagging and side discharge. The single biggest reason to buy is the high-lift design, which generates strong airflow to move clippings into a bag or discharge chute and reduces clogging when cutting taller or wet grass.

Key Features

• Precise fit: These blades match common John Deere 42 in blade part patterns, offering a close fit for compatible decks to simplify installation.
• High-lift performance: The high-lift profile creates strong suction and airflow, improving bagging and side discharge of clippings.
• Durable dimensions: At 21-3/8 in length and 5 mm thickness, the blades are built to resist bending and hold cutting geometry under load.
• Reduced clogging risk: Strong discharge capability helps prevent grass buildup on the deck when mowing dense or wet turf.
• Tested quality: The blades undergo hardness, balance, and field tests to ensure consistent cutting and durability in normal use.
• Safety finish: Cutting edges are painted to prevent rust and protect hands during handling; the paint will wear off with use.

Who It's For

These blades suit homeowners and maintenance crews who own John Deere lawn tractors with 42 in decks - specifically models listed like D130, D110, LA105, D105, LA135, E130, D125, X300, Z225, LT160, E100, and Z235 - and who need a blade that supports efficient bagging and side discharge. They are a practical choice when replacing worn blades and when strong deck airflow is desired for faster mowing.

Those who should look elsewhere include owners with non 7-point star spindle patterns or decks not matching the 42 in specification, and users requiring specialized low-lift or mulching-specific blades instead of a high-lift 2-in-1 style.

Pros & Cons

Pros

• Good fit and ease of installation on compatible John Deere decks, leading to minimal setup time.
• Strong cutting and suction for efficient bagging and side discharge, improving collection and reducing clogs.
• Well-built feel and sufficient weight that many users report as a sign of quality and balance.

Cons

• Compatibility is limited to 7-point star spindle center holes, so purchasers must check their spindle pattern to avoid fit issues.
• Painted cutting edges are temporary protection only and will wear off with mowing.

Specifications

Length	21-3/8 in (543 mm)
Width	2-3/4 in (70 mm)
Thickness	13/64 in (5 mm)
Center hole shape	7-point star
Deck size	42 in
Lift	1-7/16 in (36 mm)
Blade type	High lift, 2-in-1 bagging and side discharge

Our Verdict

For owners of compatible John Deere 42 in decks these blades offer a sensible balance of performance, build quality, and value; the high-lift 2-in-1 design speeds up bagging and reduces clogging, and the measured dimensions and tests provide confidence in everyday use. Check the 7-point star spindle pattern before buying to ensure proper fit.

Frequently Asked Questions

Will these blades fit my John Deere deck?
They fit 42 in John Deere decks that use a 7-point star center hole; verify your spindle pattern before purchasing.

Can these blades bag and side discharge?
Yes, the high-lift 2-in-1 design provides both bagging and side discharge capability for tall or wet grass.

Are the cutting edges ready to use?
The edges are painted for rust protection and safe handling; the paint will wear off during normal mowing.