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Section 3
SPECIFICATIONS
3.1 ENGINE
General Type .............................................................................. Heavy Duty Industrial/Commercial Gasoline
Brand ......................................................................................... Kohler
Horsepower................................................................................ 27 hp (Spec. #) ( Scag Model STWC61A-27CV)
25 hp (Spec. #FH721V) ( Scag Model STWC52A-25KA)
Type 4 Cycle Gasoline, Twin Cylinder, Horizontal Shaft
Cylinders .................................................................................... 2 with Cast Iron Sleeves
Governor .................................................................................... Mechanical Type with Variable Speed Control Set At 3600 RPM
Idle Speed .................................................................................. 1900 RPM
Fuel Pump Group ....................................................................... Mechanical Fuel Pump with In-Line Fuel Filter
Fuel ............................................................................................ Non-Leaded Gasoline with a Minimum Octane Rating of 87
Oil Pump Group .......................................................................... Positive Displacement Gerotor™ Oil Pump
Starter......................................................................................... Electric Starting with Solenoid Shift Starter
Belts: .......................................................................................... Kevlar cord. Self-adjusting, Self-tightening
Pump Drive Belt ......................................................................... Scag Part Number - 482716
3.2 ELECTRICAL
Battery ....................................................................................... 12 Volt
Charging System ........................................................................ Alternator
Charging Output ........................................................................ 12 Volt, 15 Amp
System Polarity .......................................................................... Negative Ground
Starter......................................................................................... 12 Volt Electric Ring Gear Type, Key and Solenoid Operated Interlock
Switches ..................................................................................... Seat, Neutral Control, Mower Engagement (BBC), Parking Brake
Instrument Panel ........................................................................ Key Switch, Throttle Lever, Manual Choke,
PTO Switch, Fuses and Safety Start module
Fuses ......................................................................................... Two (2) 20 Amp
3.3 TRACTOR
Drive System .............................................................................. Hydraulic Drive with Two Variable Displacement Pumps and Two
Cast-iron High Torque Motors
Hydrostatic Pumps .................................................................... Two Hydro-Gear™ BDP 10A Pumps with Dump Valves for
movement without running the engine
Drive Wheel Motors .................................................................. Two Parker Cast-Iron High Torque Motors
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 ...................................................................... 13 X 6 Four-Ply w/tapered roller bearing pivots
(2) Drive ................................................................................. 23 X 9.50 X 12 (52") Four-Ply Pneumatic Tubeless, Radius Edge
................................................................................................... 24 X 12 X 12 (61") Four-Ply Pneumatic Tubeless, Radius Edge
Fuel Tanks.................................................................................. Dual 4.5-Gallon Seamless Polyethylene Tanks with large opening,
................................................................................................... Fuel Cap and molded cup holder in the right side fuel tank
Tire Pressure:
Front Caster ........................................................................... 25 PSI
Drive ...................................................................................... 12 PSI
Seat ............................................................................................ Padded, Thick Cushion with Extra Spring Support