Briggs & Stratton MB (18 HP) Specifications, Model, Engine, Electrical System, Transmission

Specifications

MODEL	MB
ENGINE
Manufacturer/Model	Briggs & 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

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