Scag Power Equipment STT61V-31EFI-SS manual Specifications, Engine, Electrical, Power Head

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Section 3

	SPECIFICATIONS
3.1 Engine
General Type	Heavy Duty Industrial/Commercial Gasoline
Brand	Kohler
Model	Kohler Aegis LH775S (PS-LH775-0015)
Horsepower	31HP at 3600 RPM
Type	4-Cycle, Twin Cylinder, Liquid-Cooled, Electronic Fuel Injected Horizontal Shaft, OHV
Displacement	748 cc.
Cylinders	2 with Cast-Iron Sleeves
Valve Group	Hydraulic Valve Lifters
Governor	Mechanical Type with Variable Speed Control Set At 3800 RPM
Idle Speed	1500 RPM Kohler
Fuel Pump	Electric Fuel Pump with In-Line Fuel Filter
Carburation	Electronic Fuel Injection
Fuel	Non-Leaded Gasoline with a Minimum Octane Rating of 87
Oil Pump	Full Pressure w/Full-Flow Filter
Starter	Electric Starting with Solenoid Shift
Cooling Group	Heavy-Duty Radiator, High-Flow Engine Cooling Fan, Water Pump
Air Intake	Large Capacity 2-Stage Canister Air Filter
3.2 Electrical
Battery	12 volt "Maintenance Free" sealed battery (300 CCA)
Charging System	Alternator
Charging Output	12 Volt, 20 Amp
System Polarity	Negative Ground
Interlock Switches	Seat, Neutral Control, Mower Engagement (BBC), Parking Brake
Instrument Panel	Volt Meter, Key Switch, Throttle Lever, BBC Switch,
	Fuses and Safety Start module, Water Temperature Gauge
Fuses	Two (2) 20 Amp
3.3 Power Head
Drive System	Hydraulic Drive with Two Variable Displacement Pumps and Two Cast-iron High Torque Motors
Hydrostatic Pumps	Two Hydro-Gear™ 16 cc/rev. Pumps with Dump Valves
Belts	Kevlar cord. Self-adjusting, Self-tightening
Drive Wheel Motors	Two Hydro-Gear™ 18E 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 6.00 Flat-Free Semi-Pneumatic
(2) Drive	24 x 12 x 12 Four-Ply Pneumatic Tubeless, Radius Edge
Tire Pressure:
Front Caster	Flat Free
Drive	12 PSI
Fuel Tank	10-Gallon Seamless Polyethylene Tank with Large opening and Fuel Gauge Fill Cap
Seat	Padded, Thick Cushion with tall back rest
Travel Speed:
Forward	0-12 MPH
Reverse	0-6 MPH

-NOTE- The machine will travel at 10 mph or 12 mph for transport purposes. For best cutting performance the forward travel speed should be adjusted depending upon the cutting conditions.

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