ID # 37604759

Scag SFC-21-4GX

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Overview

SFC-21

THE BEST ON THE JOB OR AT HOME

The Scag® SFC-21 Finish-Cut Walk-Behind mower is the compact machine you’ve always wanted—packing big productivity and versatility into a 21” wide platform. On the job or at home, the SFC-21 delivers a professional quality-of-cut that leaves behind a beautiful lawn, each and every time. Capable of 3-in-1 versatility (mulching, bagging and optional side discharging), it helps you tackle whatever challenges come your way with top-notch results.

Specifications
Model
SFC-21-4GX
Category Name
Lawn Care
Year
2025
Sale Type
New
Manufacturer
Scag
Width
23.25"
Tracking Width
21.2"
Weight (with Bagger)
143 lb
Weight (without Bagger)
136 lb
Height In Storage Position
22"
Length In Storage Position
41"
Length In Operating Position
63.0 - 68.5"
Height In Operating Position (low / High)
32.75" / 43.5"
features

Scag SFC 21 4GX EASY HEIGHT-OF-CUT ADJUSTMENT

FINE-TUNED AND SIMPLE

Easy height-of-cut adjustment allows for cutting heights from 1.5” to 4.5” in .5” increments.

Scag SFC 21 4GX SCAG LEVEL QUALITY-OF-CUT

PERFORMANCE FOR THE LONG HAUL

Strong, stamped steel deck ensures years of worry-free performance and a consistent cut.

Scag SFC 21 4GX GET MORE DONE WITH ONE MACHINE

DESIGNED FOR VERSATILITY

Capable of 3-in-1 versatility, giving you the ability to mulch, bag or side-discharge. Mulching and bagging attachments come standard; side-discharge accessory is available.

Scag SFC 21 4GX BUILT TO LAST

DEPENDABLE, WORRY-FREE PRODUCTIVITY

Heavy-duty construction ensures years of dependable service and worry-free productivity.

Scag SFC 21 4GX STAY SAFE & EFFICIENT

SAFETY MEASURES THAT KEEP YOU WORKING

Blade brake clutch allows the operator to disengage the cutter blades without shutting off the machine.

Scag SFC 21 4GX POWERFUL TRANSMISSION & ENGINE COMBO

MAXIMUM POWER FOR TOUGH CUTS

Powerful and efficient Kohler® Command PRO® CV173 (5hp) or CV224 (7hp) engine delivers ample power, along with exceptional efficiency and dependable performance in the toughest of cutting conditions. Proven, maintenance-free GT MG 512 transmission delivers dependable 3-speed drive power.

Scag SFC 21 4GX STAY IN PRIME CONDITION  

REPLACEABLE SIDE WEAR PROTECTION

Protecting both landscaping and the integrity of the cutter deck’s edge, these replaceable pads attach to the side of the mower and help minimize wear and tear between the environment you’re working in and your machine.

engine and deck combinations
Model Deck Width Engine Horsepower
SFC-21-4GX 21″ Honda GXV160 4
SFC-21-5CV 21″ Kohler® Command PRO® CV173 5
SFC-21-7CV 21″ Kohler® Command PRO® CV224 7
general
Type
4 cycle gas, OHV, air-cooled, single-cylinder, vertical shaft engine
Brand
Honda
Model
GXV160
Exhaust
Large capacity, multi-chamber exhaust system
Cylinder
One with cast-iron cylinder bore
Governor
Mechanical governor with variable speed control set at 3300 rpm, idle set at 1500 rpm
Horsepower
4 @ 3300 RPM
Air Cleaner
Dual-element air filter
Displacement
163 cc
General Type
Heavy-duty industrial/commercial
Oil Pump Group
Splash lubrication with Oil Alert system
50-State Compliant
Starter/Electrical
Recoil start; transistorized magneto ignition
engine deck
Fuel Tank
0.37 gallon (1.4 liters) plastic tank
Thickness
14 gauge
Handle Bars
1" diameter, thick wall tubing, 3-position adjustable
Wheels/Tires
Drive: 10.5 x 3 / Front: 9 x 2.25
drive system
Type
Transmission
Safety Group
Handle actuated operator presence system
Transmission
GT MG 512 transmission, 3-speed
Forward Speed
Up to 4.25 mph
Steering/Travel Control
Variable drive control bar and 3-speed selector lever on handlebar
Transmission Output Shaft
0.50" diameter
cutter deck
Type
High-vacuum, high-capacity design
Clutch Type
Heavy-duty Blade Brake Clutch (BBC)
Construction
14 gauge deck with 14-gauge replaceable guards for strength and longevity. Deep draw stamped.
Cutter Blade
0.1345 in. thick, milled edge, wear resistant
Blade Engagement
Blade control bar controlled Blade Brake Clutch (BBC). Connected to cutter blade.
Discharge Opening
Rear-discharge. Extra wide discharge opening.
True Cutting Width
21 inches (53.34 cm)
Cutting Height Adjustment
1.5" to 4.5" in 0.5" increments
optional items/attachments
Mulching Plug
Included
Fabric Grass Catcher
Included; 2.2 bushels (2.74 cu. ft.)
Side-Discharge Adapter
Available accessory
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