Walker S18 User Manual

Specications
3
MODEL S18
ENGINE
Manufacturer/Model Briggs & Stratton Vanguard, 2 Cyl. OHV, Gasoline (Air-Cooled)
Displacement cu. in. (cc) 34.8 (570)
Max. Power HP (kW) 18.0 (13.4) @ 3600 RPM
Governed RPM 3650
Max. Torque lb·ft (N·m)
29.2 (39.6) @ 2400 RPM
Idle RPM 1450
Spark Plug Type
Champion
®
XC92YC
Spark Plug Gap in. (mm) .030 (0.76)
Crankcase Capacity qt (L) 1.5 (1.4)
Crankcase Lubricant API SJ or Higher Grade Oil Only with 30W Viscosity Above
40° F (4° C) or 10W-30 Viscosity from 0° F (-18° C) to 80° F (27° C)
Oil Filter Briggs & Stratton P/N 842921
Cooling System Air-Cooled
Fuel Tank Capacity gal (L) 4.0 (15.1)
Fuel Regular Grade Unleaded Gasoline
(87 Octane Minimum, 10% Ethanol Maximum)
Air Cleaner Remote Mounted Cummins/Fleetguard OptiAir
TM
(Walker P/N 2090-1 Primary/2090-3 Safety Filter)
ELECTRICAL SYSTEM
Battery 12 Volt, 300 CCA (Interstate SP-35)
Charging System Flywheel Alternator
Charging Output 16 Amp DC (Regulated)
System Polarity Negative Ground
Ignition Magnetron
®
Electronic Magneto
Starter 12 Volt Electric Key and Solenoid Operated
Interlock Switches Ignition Lockout by Seat Switch, Transmission Neutral,
Blade Clutch, and Parking Brake
Circuit Breaker(s) Manual Reset (5A)
Auto Reset (30A)
TRANSMISSION
Manufacturer/Model Dual, Independent Hydro-Gear
®
ZT3100 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 Transaxles
Parking Brake Internal Mechanical Cog Lock for each Transaxle
(Single Lever Control)

Walker S18 Specifications

General

Drive System	Hydrostatic
Cutting Height	1.5 - 4.5 inches
Engine	Kohler
Cutting Width	48 inches
Transmission	Hydrostatic