Specifications, Engine, Electrical system – Walker MS (13 HP) User Manual
Page 7: Transmission

Specifications
3
MODEL
MS
ENGINE
Manufacturer/Model
Kawasaki, FE 400D, 1 Cyl. OHV (Air-Cooled)
Displacement
24.5 cu. in. (401 cc)
HP (@ 3600 RPM)
13.0
Max. RPM (No Load)
4000
Governed RPM
3600
Max. Torque [ft-lb (N
⋅
m) @ RPM]
19.5 (26.4)
@ 2500
Idle RPM
1300
Spark Plug Type
NGK BPR5ES
Spark Plug Gap
.030 in. (.75 mm)
Crankcase Capacity
1.35 qts (1.3 liters)
Crankcase Lubricant
API SC/SD/SE/SF/SG/SH Grade Oil Only with 10W-30/10W-40
Viscosity or 40W Above 68° F (20° C) Only
Fuel Tank Capacity
1.7 Gallons (6.4 liters)
Fuel
Automotive Grade Unleaded Gasoline (87 Octane)
Cooling System
Air Cooled
ELECTRICAL SYSTEM
Battery
12 Volt, 230 CCA (Interstate SP-30)
Charging System
Flywheel Alternator
Charging Output
13 Amp DC (Regulated)
System Polarity
Negative Ground
Ignition
Transistorized Electronic Magneto
Starter
12 Volt Electric Key and Solenoid Operated
Interlock Switch
Ignition Lockout by Seat Switch, Transmission Neutral and Blade Clutch
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
Neutral
Transmission Release by Manual Dump Valve
Final Drive
Gear Drive Axle