Walker MB (18 HP) - Manual (Page 7)

Specifications
5
MODEL MB
ENGINE
Manufacturer/Model Briggs and Stratton Vanguard, 2 Cyl. OHV (Air-Cooled)
Displacement 34.7 cu. in. (570 cc)
HP (@ 3600 RPM) 18.0
Max. RPM (No Load) 3600
±
100
Governed RPM 3600
±
100
Max. Torque [ft-lb (N
⋅
m) @ RPM] 29.5 (40.5) @ 2400
Idle RPM 1750
Spark Plug Type Champion RC14YC
Spark Plug Gap .030 in. (.75 mm)
Crankcase Capacity 1.5 qts (1.4 liters)
Crankcase Lubricant SF/SG/SH/SJ or Higher Grade Oil Only with 30W Viscosity
Above 40° F (4° C)
Fuel Tank Capacity 3 Gallons (11.35 liters)
Fuel Automotive Grade Unleaded Gasoline (85 Octane)
Cooling System Air Cooled
ELECTRICAL SYSTEM
Battery 12 Volt, 220 CCA (Interstate PC12/80)
Charging System Flywheel Alternator
Charging Output 16 Amp DC (Regulated)
System Polarity Negative Ground
Ignition Magnetron
®
Electronic
Starter 12 Volt Electric Key and Solenoid Operated
Interlock Switch Ignition Lockout by Seat Switch, Transmission Neutral and Blade Clutch
TRANSMISSION
Manufacturer/Model Dual, Independent Hydro-Gear Integrated Transaxles
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 Cog Lock in Transmission Gear
Neutral Transmission Release by Manual Dump Valve
Final Drive Direct Drive Axle from Transaxle