1-8. EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES (Contd)
Intake Manifold: Conventional aftercooler (M915/Big Cam I). Triple-pass water aftercooler (M915A1/Big Cam III).
Lubrication Oil Cooler: Conventional oil cooler and filter with separately mounted bypass oil filter on engine firewall
(M915/Big Cam I). Demand flow automatically regulates oil pressure, routes engine coolant through engine oil cooler twice.
Engine and cooler core are made of cast aluminum and incorporates mounting adapters for spin-on type full-flow and bypass
oil filters, and incorporates a bypass valve and pressure sending unit (M915A1/Big Cam III).
Oil Pan: Made of cast aluminum (M915(Big Cam I). Made of stamped steel (M915A1/Big Cam III).
Water Transfer Tube: Made of cast iron (M915/Big Cam I). Made of stamped, welded steel (M915A1/Big Cam III).
1-9. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
Right and left views of the NTC-400 engine and its components are shown below and on the following page. Identification can be made
from the engine identification plate located on the gear case mounting flange of the engine block. Because of changes made during
production, some engines may have minor differences not shown in the following views.
Below is a 3/4-view of right side of engine as viewed from front.