Scag SFC-21 21in Commercial Walk Behind Mower, Honda GXV160, BBC - SFC-21-4GX

Scag SFC-21 21in Commercial Walk Behind Mower, Honda GXV160, BBC - SFC-21-4GX 

The Scag SFC-21 is a Walk Behind Mower designed to deliver professional quality-of-cut in a compact, 21in wide platform. This mower is ideal for both commercial and residential use, offering big productivity and versatility. With its powerful Honda GXV160 engine, the SFC-21 ensures ample power and exceptional efficiency in various cutting conditions.

The SFC-21 features a high-vacuum, high-capacity cutter deck made from 14-gauge stamped steel, ensuring strength and longevity. It also offers 3-in-1 versatility, allowing for mulching, bagging, and optional side discharging, making it a versatile tool for any lawn care task.

Features

• Professional quality-of-cut: Delivers a beautiful lawn with each use.
• 3-in-1 versatility: Capable of mulching, bagging, and optional side discharging.
• Powerful engine: Honda GXV160 engine provides ample power and efficiency.
• Durable construction: 14-gauge stamped steel cutter deck with replaceable guards.
• Easy height adjustment: Cutting heights from 1.5in to 4.5in in 0.5in increments.
• Efficient transmission: GT MG 512 transmission with 3-speed drive power.
• Safety features: Handle actuated operator presence system and Blade Brake Clutch (BBC).

Specifications

What our Experts Think

• Dump-from-seat convenience = major time saver
  Clam-shell design lets you empty the hopper with a simple lever—no need to leave the mower, boosting productivity on large jobs.
• High-capacity commercial collection
  Large 12-bushel (112-gallon) hopper allows longer mowing intervals with fewer stops to unload debris.
• Advanced debris compaction system
  Integrated blower shreds clippings, allowing 50%–100% more material to fit—maximizing efficiency per load.
• All-steel blower = durability + low maintenance
  Belt-driven, steel blower system eliminates need for auxiliary engine—quieter, lighter, and more reliable over time.
• Automatic clean-out system
  Built-in sweeper clears debris when dumping, ensuring the hopper empties fully and stays ready for the next pass.
• Quick install & removal
  Tool-free removal with quick pins makes switching between bagging and discharge fast and hassle-free.
• Designed for productivity & balance
  Compact vertical blower adds minimal width, while included counterweights maintain mower stability during operation.

Q&A

Q: What type of mower is the Scag SFC-21-4GX?
A: It’s a commercial walk-behind mower with a 21-inch cutting deck, designed for professional landscapers and tight-space mowing.

Q: What engine powers this mower?
A: Equipped with a Honda GXV160 engine, delivering reliable, consistent power, fuel efficiency, and smooth operation for commercial use.

Q: How effective is the cutting deck?
A: The 21-inch deck provides precise, clean cuts, perfect for sidewalks, narrow lots, and hard-to-reach areas.

Q: How maneuverable is the mower?
A: The walk-behind design offers excellent control in tight spaces, making it ideal for edging and navigating obstacles.

Q: What durability features does it have?
A: Built with a commercial-grade steel frame, reinforced deck, and heavy-duty components to withstand daily professional use.

Q: What applications is it suited for?
A: Ideal for commercial landscaping, sidewalks, narrow lots, and residential properties where precision and maneuverability are required.

Q: Does it include operator comfort features?
A: Yes. Features ergonomic handles, easy-start Honda engine, and smooth operation for reduced operator fatigue.

Q: Why choose the SFC-21 with Honda GXV160?
A: Combines premium Honda engine reliability, professional-grade construction, and precise 21-inch cutting for efficient, high-quality results in tight areas.

Maintenance Tips

• Change engine oil & filter: Follow Honda GXV160 recommended schedule (typically every 50 hrs).
• Clean/replace air filter: Keeps engine breathing freely and prevents performance loss.
• Sharpen or replace blades: Ensures clean, even cuts and reduces turf stress.
• Check tire pressure & wheel bearings: Maintains consistent deck height and smooth handling.
• Clean deck after each use: Remove grass buildup to prevent rust and improve airflow.
• Inspect belts & pulleys: Check for wear and proper tension to avoid slippage.
• Grease fittings & pivot points: Lubricate per service schedule to extend component life.
• Inspect spark plug & fuel system: Replace plug as needed; use fresh fuel to avoid starting issues.
• Test safety switches & controls: Confirm all operator safety systems are functioning before mowin