CUB CADET 742-05478-0637 Black 30" Blade CC30e Electric Mini Rider Lawn Mowers Start Center

What It Is

This is a genuine OEM Cub Cadet 30-inch black mower blade (part #742-05478-0637) designed specifically for the CC30e Electric Mini Rider. It’s the factory replacement blade for cutting grass on residential lawns with an electric deck.

Fitment & Compatibility

Before buying, verify:

• Machine model: Fits only Cub Cadet CC30e Electric Mini Rider (gas models won’t match).
• Deck size: 30-inch cutting deck – do not use on smaller/larger decks.
• OEM vs aftermarket: This is a genuine Cub Cadet part; aftermarket blades may differ in hole pattern, thickness, or balance.
• Measurements: 30-inch overall length, 0.25-inch center hole, 0.75-inch offset. Confirm your existing blade matches these specs.
• Check your blade part number: Look for 742-05478-0637 stamped on the blade or in your owner’s manual.

Key Things to Know

• Quality: OEM blade is heat-treated and black-coated for rust resistance, but some users report it dulls faster than aftermarket alternatives.
• Installation: Straightforward – remove the single center bolt (likely 5/8-inch), swap blade, and torque to 45-55 ft-lbs. No special tools needed.
• Common gotcha: The blade must be installed with the lift wings pointing up toward the deck. Reversing it will cause poor cut and vibration.
• Balance: New blades are balanced out of the box, but always check with a blade balancer before installing to avoid deck wobble.

Should You Buy It

If you own a CC30e and want a guaranteed fit without measuring or modifying, this OEM blade is the safe choice. It’s best for owners who value simplicity and factory performance over extreme durability. If you’re on a budget or cut tough, tall grass often, consider a thicker aftermarket blade – but expect to confirm compatibility yourself.