MB QUART SCR - Manual (Page 10)

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Section 3
3.1 ENGINE
General Type .............................................................................. Heavy Duty Industrial/Commercial Gasoline
Brands ........................................................................................ Kohler & Kawasaki
Model ......................................................................................... 25 HP Kohler Command CH25S & 27HP Kawasaki FD750D
Horsepower ................................................................................ 25 HP at 3600 RPM (SCR42-25CH, SCR48-25CH & SCR52-25CH)
................................................................................................... 27HP at 3600 RPM (SCR48-27KA & SCR52-27KA)
Type ........................................................................................... 4 Cycle Gasoline, Twin Cylinder, Horizontal Shaft
Displacement ............................................................................. Kohler - 725 cc. & Kawasaki - 745cc
Cylinders .................................................................................... 2 with Cast Iron Sleeves
Governor .................................................................................... Mechanical Type with Variable Speed Control Set At 3600 RPM
Idle Speed .................................................................................. 1400 RPM
Fuel Pump Group ...................................................................... Mechanical Fuel Pump with In-Line Fuel Filter, Fixed Jet
Carburetor with Smart-Choke™ and Fuel Shutdown Solenoid
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 Cell Starter
Belts:
Engine Belt ............................................................................. Scag Part Number - 481976
Blower Drive Belt .................................................................... Scag Part Number - 481977
Pump Drive Belt ...................................................................... Scag Part Number - 481978
3.2 ELECTRICAL
Battery ....................................................................................... 12 Volt
Charging System ........................................................................ Alternator
Charging Output ........................................................................ 12 Volt, 15 Amp
System Polarity .......................................................................... Negative Ground
Starter ......................................................................................... 12 Volt Electric Solenoid Shift Type
Interlock Switches ...................................................................... Seat, Neutral Control, Mower Engagement (BBC), Hopper and
Parking Brake
Instrument Panel ........................................................................ Ammeter, Hourmeter, Key Switch, Throttle Lever, Manual Choke,
BBC Lever, Fuses, and Water Temp Gauge (KA Only)
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 15cu. inch Cast-iron High Torque Motors
Steering/Travel Control .............................................................. Twin Lever Fingertip Steering Control with Individual Control to
Each Wheel
Parking Brake ............................................................................ Lever Actuated Linkage to Brakes on Both Drive Wheel Axles
Wheels:
(2) Front Caster ...................................................................... 11 x 4.0-5 Smooth Tires
(2) Drive ................................................................................. 23 x 9.5-12 Four-Ply Pneumatic Tubeless, Radius Edge
(1) Rear .................................................................................
Fuel Tank ................................................................................... Two, 3.75 gallon Polyethylene Tanks with Large Fuel Tank filler
neck and Fuel Gauge Fill Caps
Tire Pressure:
Front Caster .......................................................................... 25 PSI
Drive ..................................................................................... 12 PSI
Rear ....................................................................................... 25 PSI
Seat ............................................................................................ Padded
SPECIFICATIONS