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SPECIFICATIONS
Section 3
3.1 ENGINE
General Type ............................................................................. Heavy Duty Industrial/Commercial Gasoline
Brand ......................................................................................... Kohler, 22HP (Spec. #PS-76510) 25HP (Spec. #PS-68579)
Kawasaki, 22HP (Spec. # FD661D-AS0201)
Model......................................................................................... Kohler Command, Kawasaki FD661D
Horsepower................................................................................ 22 HP at 3600 RPM (Model STT52&52b-22CH, STT61&61B-22CH)
25 HP at 3600 RPM (Model STT52&52B-25CH, STT61&61B-25CH)
22 HP at 3600 RPM (Model STT52&52B-22KA, STT61&61B-22KA)
Type ........................................................................................... 4 Cycle Gasoline, Twin Cylinder, Horizontal Shaft
Displacement ............................................................................ 22HP Kohler 674 cc., 25HP Kohler 725cc., 22HP Kawasaki 617cc
Cylinders ................................................................................... 2 with Cast Iron Sleeves
Governor.................................................................................... Mechanical Type with Variable Speed Control Set At 3600 RPM
Idle Speed .................................................................................. 1400 RPM
Kohler Fuel Pump Group .......................................................... Mechanical Type Fuel Pump with In-Line Fuel Filter, Fixed Jet
Carburetor with Smart-Choke and Fuel Shutdown Solenoid
Kawasaki Fuel Pump Group .....................................................Electric Fuel Pump with In-Line Fuel Filter,Fixed Jet Downdraft
Carburetor.
Fuel ............................................................................................ Non-Leaded Gasoline with a Minimum Octane Rating of 87
Oil Pump Group ........................................................................ Positive Displacement Gerotor Oil Pump with Remote Oil
Filter
Starter ........................................................................................ Electric Starting with Solenoid Shift Starter
Belts: .......................................................................................... Kevlar cord. Self-adjusting, Self-tightening
Deck Drive Belt..................................................................... Scag Part Number - 481460
Pump Drive Belt.................................................................... Scag Part Number - 481461
Kawasaki Fan Belt .................................................................. Part Number - Mitsubishi 59011-2056 (N/A Through Scag)
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 ....................................................................... Ammeter, Hourmeter, Key Switch, Throttle Lever, Manual Choke,
BBC Switch, Fuses and Safety Start module, Temp. gauge (KA)
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 10L Pumps with Dump Valves for
movement without running the engine
Drive Wheel Motors .................................................................. Two Ross Model MB 15 cu. inch 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 5.00 Four-Ply
(2) Drive ................................................................................. 23 X 10.5 X 12 Four-Ply Pneumatic Tubeless, Radius Edge, 52"
................................................................................................... 24X12.0X12.0 Four-Ply Pneumatic Tubeless, Radius Edge, 61"
Fuel Tank ................................................................................... 10-Gallon Seamless Polyethylene Tank with Fuel Gauge Fill Cap
Tire Pressure:
Front Caster.......................................................................... 25 PSI
Drive..................................................................................... 12 PSI
Seat ............................................................................................ Padded, Thick Cushion with Extra Spring Support