Looking for replacement blades for a 42-inch riding lawn mower? This guide highlights five compatible options that balance cutting performance, mulching quality, and mounting compatibility. Each product is best for specific mower models or mounting patterns, so match your current blade’s center or mounting hole pattern before buying. The buyer’s notes below help you choose the right blade type (5-star vs 6-star vs 6-point, etc.).
Summary of selected products (quick comparison):
| Product | Mounting Type | Best For | |
|---|---|---|---|
| Grasscool 138971 High Lift 5 Star Blades | Craftsman 42″ deck (LT1000, LT2000, T110, YT3000, YTS3000) | 5-Point Star Center Hole | Best for Craftsman 42″ decks with 5-star hole pattern |
| Grasscool 942-04308 / 942-04308A High Lift 6 Star Blades | Cub Cadet XT1-42, XT2-42, ZT1-42 and other 42″ rider decks | 6-Star Center Hole | Better for 6-star mounting patterns; avoid if you have 5-star hole |
| MaxPower 561742B 2 Blade 3-N-1 Style | 46″ class; ships for multiple Craftsman/Husqvarna/Poulan 42″ equivalents | Standard 3-N-1 style (42″ related patterns) | Versatile replacement for 42″ cutters; verify OEM numbers |
| Grasscool LT2000 LT1000 5 Star Mulching Blades | Craftsman 42″ Deck Riding Mower (LT1000, LT2000, etc.) | 5-Star Mounting Pattern | Best for mulching and Craftsman 5-star mounts |
| Grasscool 42 Inch Mulching 6 Star Blades | Troy Bilt/Cub Cadet 42″ decks; some Craftsman patterns | 6-Star Mounting Pattern | Choose for 6-star mounting families; check model notes |
Grasscool 138971 High Lift 5 Star Blades for Craftsman 42 Inch Mower
Features include a 5-point star center hole design for Craftsman 42″ decks. This set targets LT1000, LT2000, T110, YT3000, and YTS3000 series. Best for Craftsman users who know their blade mounting hole is five-point star. Limitations: not compatible with 6-point hole patterns. Choose this if your original blade utilizes a 5-star center hole and you want a high-lift profile for mulching and bagging.
Grasscool 942-04308 / 942-04308A High Lift 6 Star Blades
Designed for Cub Cadet XT1-42, XT2-42, ZT1-42 and similar 42″ rider decks with a 6-star center hole. This blade set is a strong choice for users who confirm a 6-star pattern. Caution: if your mower uses a 5-star center hole, these blades will not fit. Also compatible with some Craftsman models that use a 6-point style, as noted in the mounting pattern guidance.
MaxPower 561742B 2 Blade 3-N-1 Style for 42 Inch Cut
Includes two blades that fit many 42″ mowers across Craftsman, Husqvarna, and Poulan families, replacing OEM numbers 139775, 532139775, and 594893101. Each blade measures about 21-1/16 inches long and 2-1/4 inches wide. Best for broad compatibility when OEM numbers align with 42″ decks. Limitation: verify your mower’s exact OEM reference to avoid mismatches.
Grasscool LT2000 LT1000 5 Star Mulching Blades
These 5-star mounting pattern blades are crafted for Craftsman 42″ deck riding mowers (LT1000, LT2000, and similar). They emphasize mulching performance and compatibility with models listed in the description. Best for Craftsman users who want efficient mulching and a stable mounting fit. Limitation: ensure your original blade uses a 5-point star hole before purchasing.
Grasscool 42 Inch Mulching 6 Star Blades
These blades target Troy Bilt Bronco and Cub Cadet 42″ decks with a 6-star mounting pattern. They carry compatibility notes for Craftsman 42″ deck models that use alternative mounting patterns. Best for users who confirm a 6-star hole pattern and want strong mulching and mowing efficiency. Caution: do not use if your mower requires a 5-star or alternate mounting style.
Buying Guide: Key Purchase Considerations
- Mounting pattern: Identify whether your mower uses a 5-point star, 6-point star, S-shaped, or other center hole. Buy blades that match your mounting pattern to ensure a secure fit and proper cutting height.
- Deck compatibility: Confirm your mower’s deck size (42″ is common) and model family (e.g., Craftsman LT1000/LT2000, Cub Cadet XT1-42, etc.).
- Intended use: Decide between mulching blades, standard high-lift blades, or a combination. Mulching blades often provide finer clippings, while high-lift blades can improve bagging and pickup.
- Material and coating: Look for sturdy steel blades with corrosion resistance if you expect frequent exposure to moisture or fertilizers.
- OEM replacement numbers: When possible, verify the OEM blade numbers (for example, 138971, 532138971, 942-04308) to reduce guesswork and ensure compatibility.
- Installation notes: Some blades require precise alignment or specific blade sides. Follow the mower’s manual to avoid positioning errors or dangerous operation.
Frequently Asked Questions
- What mounting pattern should I choose for a 42″ Craftsman deck?
– Check if your blade uses a 5-point star hole; if so, choose 5-star blades such as 138971. If your deck uses 6-star, pick 6-star blades like 942-04308A. - Can I mix brands for replacement blades?
– It’s best to match mounting patterns and blade size. Mixing across brands is possible if the mounting holes and blade length are compatible with your deck. - What blade type is best for mulching?
– Mulching blades (often 5-star or 6-star depending on model) are designed to chop clippings more finely and recirculate them into the lawn. - How do I verify the blade length and width?
– Measure the current blade or check your mower’s manual for the standard blade dimensions (typically around 21 inches long for many 42″ decks). - Is price an indicator of quality?
– Not necessarily. Look for mounting compatibility, blade length, and intended use (mulching vs. lifting) to determine value. - What should I do if the replacement blade doesn’t fit?
– Double-check the OEM part numbers and mounting pattern. If necessary, contact the seller or refer to your mower’s parts diagram for the correct model match.