1. Product Overview
The MaxPower 561558B blade set includes three high-quality replacement blades designed for various 50-inch cut lawn tractors and RZT mowers. These blades are manufactured to meet or exceed original equipment manufacturer (OEM) specifications, ensuring reliable performance for your lawn care equipment.
Each blade is sharpened during the manufacturing process and then powder-coated for protection. This protective coating will wear off during the initial use, revealing a precision-sharpened cutting edge.

Image: MaxPower 561558B 3-Blade Set. This image displays the three black replacement blades, highlighting their design and the product label.
2. Compatibility
This MaxPower 561558B 3-blade set is compatible with many 50-inch cut MTD and Cub Cadet Lawn Tractor and RZT mowers manufactured in 2015 and later. It also fits certain Troy-Bilt and Craftsman models requiring the specified OEM numbers.
These blades are direct replacements for OEM part numbers:
- 942-05052A
- 742-05052A
- CMXGZAM110155
- 742-05052
- 942-05052
Always consult your mower's owner's manual to verify that the OEM number of the blade being replaced matches one of the OEM numbers provided for this item to ensure proper fit and function.

Image: Blade Specifications and Compatibility. This diagram illustrates key dimensions such as length (17.25 inches), width (2.5 inches), and the 6-point star center hole, along with compatible brands.
3. Specifications
- Blade Length: 17.25 inches (43.8 cm)
- Blade Width: 2.5 inches (6.35 cm)
- Center Hole Type: 6-point star
- Product Dimensions (each blade): Approximately 17.05 x 2.5 x 1.55 inches
- Item Weight (set of 3): 5.89 pounds
- Material: Steel, powder-coated finish

Image: 6-Point Star Center Hole. This image provides a clear view of the distinctive 6-point star shape of the blade's center mounting hole.
4. Installation Instructions (Blade Replacement Guide)
Follow these steps carefully when replacing your lawn mower blades. Always prioritize safety.
Preparation Steps:
- Identify OEM Number: Locate the correct OEM number for the blade you wish to replace. For lawn tractors, check the parts label under the hood. For zero-turn mowers, check the parts label under the seat. For old blades, the part number may be stamped directly on the blade.
- Double Check Size: Confirm the correct blade size using your mower deck's specifications.
- Measure Old Blade: Measure the length of your old blade diagonally from end to end to ensure it matches the replacement blade.
- Compare Center Holes: Verify that the center hole shape of the new blade matches your mower's spindle. This MaxPower blade features a 6-point star center hole.
- Select Blade Type: Ensure the blade type is suited to your mowing style. This blade set is a standard (straight or medium-lift) blade, designed for regular mowing with curved edges that lift grass for a clean, even cut.
Installing the New Blade:
- Prepare the Mower: Turn off the mower, allow the engine to cool, and disconnect the spark plug to prevent accidental starting. Carefully turn the mower on its side to access the deck.
- Remove Old Blade: Remove the old blade and clean any grass or debris from the mower deck area.
- Install New Blade: Install the new blade with the sharp edge pointing down towards the grass and any curved flanges pointing up towards the deck. Securely fasten the blade according to your mower's instructions, ensuring all bolts are tightened to the manufacturer's recommended torque specifications.
5. Maintenance
Regular maintenance of your lawn mower blades is essential for optimal cutting performance and safety. While MaxPower blades are designed for durability, periodic inspection and sharpening are recommended.
- Sharpening: Blades should be sharpened regularly to maintain a clean cut. A dull blade can tear grass, leading to an unhealthy lawn. When sharpening, ensure the blade remains balanced to prevent excessive vibration and wear on your mower's components.
- Balancing: An unbalanced blade can cause significant vibration, which can damage the mower's spindle and engine. After sharpening, always check the blade's balance using a blade balancer.
- Inspection: Before each use, inspect blades for any signs of damage, such as bends, cracks, or excessive wear. Replace damaged blades immediately.

Image: Heat Treatment Process for Blades. This image shows blades being processed, highlighting the manufacturing steps that contribute to their durability.
6. Safety Information
Always follow the safety guidelines provided in your lawn mower's owner's manual when performing any maintenance or blade replacement. Failure to do so can result in serious injury.
- Always wear appropriate personal protective equipment (PPE), including heavy-duty gloves and eye protection, when handling blades.
- Ensure the mower engine is off and the spark plug wire is disconnected before working on the blades.
- Never attempt to sharpen or balance a blade while it is still attached to the mower.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
7. Warranty and Support
MaxPower blades are manufactured to meet or exceed OEM specifications. For specific warranty information or support regarding your MaxPower product, please refer to the official MaxPower website or contact their customer service directly. Always retain your proof of purchase for warranty claims.





