Walker MDD (20.9 HP) Owner's Manual page 14

Component Identification
Starter Motor Below Exhaust
Water Temperature
Oil Fill
(Not Visible) Manifold
Gauge Sender
Cap
Alternator
Thermostat Housing
and Thermostat
Glow Plug(s)
Water Pump
Fuel Pickup
Fan Motor
Line
Fuel Return
Line
Fuel Tank
Radiator Screen
Cap
(Removable)
Radiator Fan
and Shield
Air Intake
Throttle Control
Injection Engine Stop Lever Linkage
Hose
Linkage Lever
Pump (Fuel Shut-Off Valve)
Injectors
Top View (Engine Compartment)
10