3208 INDUSTRIAL & MARINE ENGINES
SPECIFICATIONS
INTRODUCTION
When the word "permissible" is in the description, the
The specifications given in this book are on the
specification given is the "maximum or mini- mum"
basis of information available at the time the book was
tolerance permitted before adjustment, repair and/or
written.
These specifications give the torques,
new parts are needed.
operating pressure,
measurements of new parts,
A comparison can be made between the measure-
adjustments and other items that will affect the service
ments of a worn part, and the specifications of a new
of the product.
part to find the amount of wear. A part that is worn can
When the words "use again" are in the
be safe to use if an estimate of the remainder of its
description, the specification given can be used to
service life is good. If a short service life is expected,
determine if a part can be used again. If the part is
replace the part.
equal to or within the specification given, use the part
again.
NOTE: The specifications given for "use again" and "permissible" are in- tended for guidance
only and Caterpillar Tractor Co. hereby expressly denies and excludes any representation,
warranty or implied warranty of the reuse of any component.
77200X1
NOTE: For Systems Operation and Testing and Adjusting, make reference to 3208 INDUSTRIAL &
MARINE ENGINES, Form No. REG01683.
ENGINE DESIGN
.Bore .................................................................. 4.5 in. (114.3 mm)
Stroke ................................................................ 5.0 in. (127.0 mm)
Number of Cylinders .......................................... 8
Cylinder Arrangement.......................................... 90V
Firing Order (Injection Sequence) ....................... 1.2, 7, 3, 4, 5, 6, 8
Direction of Rotation (As Seen From
Flywheel End) ..................................................... Counterclockwise
Air Inlet Manifold .............................................17
Lubrication System (Industrial Engines) .......................... 18
Alternators .....................................................28
Alternator Regulators .....................................29
Manifold and Ventilation Valve (Industrial Engines) ......... 17
Automatic Timing Advance Unit . .................... 9
Manifold and Ventilation Valve (Marine Engines) ............ 17
.......................................................................
Marine Gear Oil Cooler.................................................... 18
Camshaft .......................................................16
Connecting Rod .............................................23
Cooling System Pressure Cap ........................20
Crankshaft .....................................................24
Cylinder Block.................................................22
Piston . ............................................................................ 23
Cylinder Head ................................................16
Pulley and Damper .......................................................... 25
Drive Gear for the Injection Pump ..................8
Shutoff Solenoid .............................................................. 9
Starter Magnetic Switch .................................30
Flywheel Housing Bore ...................................27
Starter Solenoids ............................................................ 29-30
Flywheel .........................................................25
Starting Motors ............................................................... 31-32
Flywheel Housing Face (Industrial Engines) ...26
Flywheel Housing Face (Marine Engines)........26
V-Belt Tension Chart ...................................................... 21
Fuel Injection Pump .......................................4
Fuel Transfer Pump .......................................8
Valve Rocker Arms and Cam Followers........................... 15
Fuel Filter Base ..............................................8
Valve Seats and Inserts ...................................11-12 and 14-15
Governor ........................................................5-6
Water Pump .................................................................. 20
Injection Nozzle ..............................................7
Water Temperature Regulator ........................................ 20
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