Walker D21d Operator's Manual page 14

Component Identification D21d
Oil Fill Water Temperature
Exhaust
Starter Motor Below
Gauge Sender
Manifold Cap
(Not Visible)
Alternator
Thermostat Housing
and Thermostat
Glow Plug(s)
Fuel Pickup
Water Pump
Line
Fan Motor
Fuel Return
Line
Fuel
Gauge
Radiator Screen
(Removable)
Fuel Tank
Radiator Fan
Cap
and Shield
Air Intake Injection Engine Stop Lever Linkage
Throttle Control
Injectors
Hose Pump (Fuel Shut-Off Valve)
Linkage Lever
Top View (Engine Compartment)
10