Specifications, Engine, Electrical system – Walker MC (20 HP) User Manual
Page 7: Transmission
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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