INTRODUCTION - TM-5-3895-349-14-P0557

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 .......................................... 90

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

Valves .....................................................................10 and 13

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