Walker MC (20 HP) Lawn Mower User Manual


 
Specifications
3
MODEL MC
ENGINE
Manufacturer/Model Kohler Command CH20, 2 Cyl., Gasoline (Air-Cooled)
Displacement 38.1 cu. in. (624 cc)
HP (@ 3600 RPM) 20.0
Max. RPM (No Load) 3750
Governed RPM 3600
Max. Torque [ft-lb (N
·m) @ RPM] 32 (43) @ 2500
Idle RPM 1200 ± 75
Spark Plug Type Champion
®
RC12YC
Spark Plug Gap .030 in. (.76 mm)
Crankcase Capacity 2 qts (1.9 liters)
Crankcase Lubricant API SG, SH, SJ or higher Grade Oil Only with 10W-30 Viscosity above
0° F (-18° C), or 5W-20 or 5W-30 Viscosity below 32° F (0° C)
Oil Filter 28-050-01
Fuel Tank Capacity 3 Gallons (11.4 liters)
Fuel Regular Grade Unleaded Gasoline (87 Octane)
Cooling System Capacity Air Cooled
ELECTRICAL SYSTEM
Battery 12 Volt, 35 AH, 295 CCA
Charging System Flywheel Alternator
Charging Output 15 Amp DC (Regulated)
System Polarity Negative Ground
Ignition Electronic Capacitive Discharge
Starter 12 Volt Electric Ring-Gear Type, Solenoid Shift
Interlock Switch Ignition Lockout by Seat Switch, Transmission Neutral and Blade Clutch
Circuit Breaker Auto Reset (30A)
TRANSMISSION
Manufacturer/Model Dual Hydrostatic, Eaton Model 7, Each Wheel Independently Driven
Steering Hand Lever Control / Individual Wheel
Forward Speed Control Precision Friction Lock Lever, Cruise Control, with Neutral-Park
Position
Service Brake Dynamic Braking through Hydrostatic Transmission
Parking Brake Mechanical Pin Lock in Transmission Gear