Model, Mt 20.0 hp, Mt 25.0 hp – Walker MT User Manual

Page 7: Specifications

Specifications

MODEL

MT 20.0 HP

MT 25.0 HP

ENGINE

Manufacturer/Model

Kohler CH20, 2 Cyl.,
Gasoline (Air Cooled)

Kohler CH25, 2 Cyl.,
Gasoline (Air Cooled)

Displacement

38.1 cu. in. (624 cc)

44.0 cu. in. (725 cc)

HP (@ 3600 RPM)

20.0

25.0

Max. RPM (No Load)

3750

Governed RPM

3600

Max. Torque [ft-lb (N

⋅

m) @ RPM]

32 (43.4) @ 2500

39.5 (53.6) @ 2400

Idle RPM

1200

Spark Plug Type

Champion



RC12YC

Champion



RC12YC

Spark Plug Gap

.030 in. (.76 mm)

Crankcase Capacity

2.1 qts (2.0 liters)

Crankcase Lubricant

API SF, SG, or SH Grade Oil
Only with 10W-30 Viscosity
above 0° F (-18° C), or 5W-20
or 5W-30 Viscosity below 32° F
(0° C)

Fuel Tank Capacity

4.3 Gallons (16.3 liters)

Fuel

Regular Grade Unleaded
Gasoline (87 Octane)

Cooling System Capacity

Air Cooled

ELECTRICAL SYSTEM

Battery

12 Volt, 35AH, 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

Manual 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