Scag Power Equipment SFZ61-28BS, SFZ36-20BS Specifications, Engine, Electrical, Tractor

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Section 3

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SPECIFICATIONS

3.1 ENGINE

General Type	Heavy Duty Industrial/Commercial Gasoline
Brand	Briggs & Statton, Kawasaki
Horsepower:
(Scag Model SFZ36-17KA)	17 HP (Spec.#FH541V-AW00-R)
(Scag Model SFZ48-19KA, SFZ52-19KA)	19 HP (Spec.# FH580V-AW00-R)
(Scag Model SFZ36-20BS)	20 HP (Spec# 40G7770117B1)
(Scag Model SFZ48-26BS, SFZ52-26BS)	26 HP (Spec.# 44P7770117E1)
(Scag Model SFZ61-28BS)	28 HP (Spec# 49M777930308)
Type	4 Cycle Gasoline, Twin Cylinder, Vertical Shaft
Cylinders	2 with Cast Iron Sleeves
Governor	Mechanical Type with Variable Speed Control Set At 3600 RPM
Idle Speed:
Briggs & Stratton	1750 RPM
Kawasaki	1550 RPM
Fuel Pump	Integral Fuel Pump with In-Line Fuel Filter
Fuel	Non-Leaded Gasoline with a Minimum Octane Rating of 87
Oil Pump	Positive Displacement Gerotor™
Starter:	Electric Starting with Bendix Shift Starter
Belts	Kevlar cord. Self-adjusting, Self-tightening

3.2 Electrical

Battery	12 Volt
Charging System	Alternator
Charging Output:
Briggs & Stratton	12 Volt, 16 Amp
Kawasaki	12 Volt, 13 Amp
System Polarity	Negative Ground
Starter	12 Volt Electric Ring Gear Type, Key Operated
Interlock Switches	Seat, Neutral Control, Mower Engagement (BBC), Parking Brake
Instrument Panel	Key Switch, Throttle Lever, Manual Choke, PTO Switch
Fuses	Two (2) 20 Amp

3.3 Tractor

Drive System			Hydraulic Drive with Two Hydro-Gear™ Integraded Zero-Turn Axles
Scag Model (SFZ36, SFZ48, SFZ52).			......................................................................................Hydro-Gear™ ZT-3100
Scag Model (SFZ61)			Hydro-Gear™ ZT-3400
Steering/Travel Control			Twin Lever Fingertip Steering Control
			with Individual Control to Each Wheel with Gas Spring Dampers
Parking Brake			Lever Actuated Linkage to Brakes on Both Drive Wheel Axles
Wheels:
(2)	Front Caster		11 X 4.5-5 Two-Ply
(2)	Drive - (36" Deck)		18 X 7-8 Four-Ply Pneumatic Tubeless, Radius Edge
(2)	Drive - (48"-52" Deck)		20 X 10-8 Four-Ply Pneumatic Tubeless, Radius Edge
(2)	Drive - (61" Deck)		20 x 10.5-8 Four-Ply Pneumatic Tubeless, Radius Edge
Tire Pressure:
Front Caster			25 PSI
Drive			8 PSI
Fuel Tank		Single 6.5-Gallon Seamless Polyethylene Tanks with Large Opening and Fuel Cap
Seat			Padded, Thick Cushion with Extra Spring Support

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Contents OPERATOR’S Manual Remember Your Mower is only AS Safe AS the Operator Table of Contents Adjustments Limited warranty sfz Following sectionIntroduction General InformationDirection Reference Servicing The Engine and Drive Train ComponentsSTT Models SymbolsSignal Words Safety InformationThis symbol means Attention! Become Alert! Your Signal WordOperation Considerations Section Seat Belt Inspection Roll-over protection systemUsing a spark arrestor Maintenance Considerations & storage483633 Safety and Instructional DecalsEngine SpecificationsElectrical TractorCutter Deck Weights and Dimensions 48/52Hydraulic System ProductivityControls and Instrument Operating InstructionsIdentification Engine Throttle Control -1. Used toInitial RUN-IN Procedures Safety Interlock SystemFirst Day of Use or Approximately 20 Hours Ground Travel and Steering Starting the EngineForward Travel Reverse Travel Engaging the Deck Drive Cutter BladesHillside Operation Rotating BladesAfter Operation Removing Clogged MaterialMoving Mower with Engine Stopped Adjusting Cutting HeightRecommendations for Mowing Towing optional hitch Accessory Not available for sfz36 Condition Cause Cure Troubleshooting Cutting ConditionsTroubleshooting Cutting Conditions Contd Dirt or CuttingVery Close To the Ground Scalping Blades HittingStep Cut Ridge in Center Cutting pathParking Brake Adjustment AdjustmentsNeutral Adjustment Travel AdjustmentsBelt Adjustment Throttle Control and Choke AdjustmentsTracking Adjustment Belt AlignmentCutter Deck Pitch Cutter Deck AdjustmentsCutter Deck Level Cutter Deck Height Cutter Deck Height AdjustmentClutch Air Gap Adjustment Electric clutch adjustmentMaintenance Chart Recommended Service Intervals MaintenanceProcedure Comments Break-In 100 200 400 First Changing Hydraulic Oil Checking Hydraulic Oil LevelChecking Engine Crankcase Oil Level Engine OilChanging Engine Crankcase Oil Changing Engine Oil Filter Engine Fuel SystemFilling the Fuel Tank Engine Air Cleaner BatteryCleaning and/or Replacing Air Cleaner Element Replacing In-Line Fuel Filter ElementsDrive Belts Charging the BatteryJump Starting Cutter Blades Blade ReplacementBlade Inspection Blade SharpeningBODY, DECK, and Upholstery TiresScag Approved Attachments and Accessories Illustrated Parts ListCutter Deck Description Cutter DeckSection 48, 52 & 61 Cutter Decks Flatwasher, 3/8-.391 x .938 x Cutter Deck Controls SFZ36 Ref. No Description Cutter Deck Controls SFZ48 & SFZ52 Cutter Deck Controls SFZ48 & SFZ52 Cutter Deck Controls SFZ61 Cutter Deck Controls SFZ61 Sheet Metal Components Flatwasher, 1/4-.312 x .750 x SFZ ROLL-OVER Protection System ROPS, SFZ36 Drive System Components SFZ36 Rod, Brake Adjustment Drive System Components SFZ48, SFZ52 & SFZ61 44162 Linkage, Dump Valve Fuel and Electrical System SFZ36 483672 Tank, LH Switch Clutch Engine Mount Bolt 483364 Tank, LH Fuel and Electrical System SFZ48, SFZ52 & SFZ61ZT-3100 Hydraulic Axle Assembly HG51462 ZT-3400 Hydraulic Axle Assembly -SFZ61 ZT-3400 Hydraulic Axle Assembly SFZ61 36COMMERCIAL Replacement Decals and Information PlatesReplacement Decals and Information Plates Optional Black Light RED Accessory Hourmeter Electrical SchematicLimited Warranty SFZ