Exmark 135-0413-S Medium Lift Blade Standard Pack Commercial ECS180GKA21000 ECX160CHN21000 ECX180CKA21000 ECX180CKA210BC ECXHN21

What It Is

The Exmark 135-0413-S is a factory OEM medium-lift blade, sold as a standard pack (typically two blades), designed for commercial 60-inch Exmark Lazer Z and Quest mower decks. It’s built for fine, frequent cutting on maintained turf, not for heavy mulching or bagging.

Fitment & Compatibility

Deck size: 60 inches.
Exact models this fits: ECS180GKA21000, ECX160CHN21000, ECX180CKA21000, ECX180CKA210BC, ECXHN21.
What to check before buying:

• Confirm your deck is 60″ – measure center spindle to center spindle if unsure.
• Verify your mower’s model number (found on the frame tag under the seat).
• This is OEM Exmark, not aftermarket – bolt pattern and blade length are factory-spec; no adapters needed.
• Blade length: ~20.5 inches (center hole to tip). Measure your current blade; if it’s shorter or longer, this won’t fit.

Key Things to Know

• Lift type: Medium lift – good for dry, short grass; not for thick, wet, or tall grass. Will leave clumps in heavy conditions.
• Installation difficulty: Easy – remove blade bolt (usually 9/16″ or 5/8″), replace blade, torque bolt to 70–90 ft-lbs. Use a blade lock or block of wood to prevent spinning.
• Common gotcha: Blade bolt may be very tight from factory – use a breaker bar. Replace bolts if worn.
• Quality: OEM steel, balanced at factory. Sharper out of box than many aftermarket blades, but will need sharpening after 8–10 hours on commercial use.

Should You Buy It

Yes, if you own one of the listed 60″ Exmark models and cut mostly dry, manicured grass. It’s a direct OEM replacement with no fitment guesswork. Skip it if you need a high-lift blade for bagging or a mulch blade for leaves – this is a standard medium-lift blade only.