Go ahead to take this manual.Please contact to us if with any problems..
This parts manual can be used by anyone from a first time owner/amateur to a professional technician.Easy to read type,And give you all the information needed to do the procedure correctly.Keep this parts manual handy and use it often. Performing routine,preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.

353 Serial Number Range
Engine Tier I Models: AD00001 to AD01552
Engine Tier II Models: AD01553 to AE02832
Engine Tier III Models: AG00593 and up

373 Serial Number Range
Engine Tier I Models: AD00001 to AD01553
Engine Tier II Models: AD01554 to AE02799
Engine Tier III Models: AG00580 and up

Form No. : 918039 Revision H Jan. 2009


Manual Covers:

Table of Contents.........................................1
Decal Locations ...........................................3
Undercarriage, Rubber Track.......................9
Undercarriage, Steel Track (Option)..........16
Track Tensioner, Rubber Track .................24
Track Tensioner, Steel Track (Option) ......25
Chassis .......................................................26
Chassis Lubrication....................................28
Counterweight............................................30
Rear Wall and Engine Hood ......................31
Valve Cover ...............................................32
Dipper Arm, Short .....................................34
Dipper Arm, Long......................................36
Connecting Link ........................................38
Boom..........................................................39
Dozer Blade ...............................................40
Canopy .......................................................41
Cab .............................................................42
Mirrors (Option) ........................................47
Cab/Canopy Sun Visor (Option)................48
Cab Door....................................................49
Cab Front Window.....................................50
Cab Sliding Window..................................51
Cab Windows.............................................52
Cab Interior Floor Trim .............................53
Operators Seat (Cab) ................................54
Operators Seat (Canopy) ..........................56
Cab Heater .................................................58
Diesel Engine .............................................61
Engine Mounts...........................................64
Cylinder Block ...........................................65
Cylinder Head & Valve Cover...................66
Camshaft ....................................................69
Crankshaft ..................................................72
Crankshaft Seal ..........................................75
Oil Pan .......................................................78
Oil Lubrication System..............................81
Fuel Injection Equipment...........................84
Cooling System..........................................87
Air Intake System ......................................89
Intake Manifold..........................................91
Exhaust System..........................................93
Fuel Tank ...................................................96
Fuel System................................................99
Hydraulic Oil Pump .................................103
Throttle Lever ..........................................104
Cooling System........................................106
Oil Cooler ................................................108
Oil Cooler Hose Installation ....................109
Turntable Drive Unit................................110
Turntable Drive Unit Hose Installation ...111
Drive Motor .............................................112
Drive Motor Hose Installation .................114
Hydraulic Oil Tank ..................................116
Hydraulic Pump External Parts................117
Hydraulic Pump Internal Parts.................118
Hydraulic Pump Hose Installation...........119
Control Valve...........................................120
Pilot Oil Supply Unit ...............................125
Swivel Joint..............................................126
Joysticks...................................................128
Manifold Block ........................................131
Joystick Hose Installation ........................132
Travel Pilot Valve....................................134
Travel Pilot Valve Hose Installation........136
Selection Valve ........................................138
Reversing Valve (Dozer Blade)...............139
Selection Valve (House Tilt) ...................140
ISO/SAE Valve........................................141
Proportional Valve (Option) ....................142
Prop. Valve Hose Installation (Option) ...143
Lock Valve...............................................144
Control Valve Tubes................................146
Boom Cylinder.........................................148
Dipper Arm Cylinder ...............................150
Bucket Cylinder .......................................151
Swivel Cylinder .......................................152
Swivel Cylinder Hose Installation ...........153
Dozer Blade Cylinder ..............................154
Dozer Blade Cylinder Hose Installation ..156
Dozer Blade Cylinder ..............................158
Dozer Blade Cylinder Hose Installation ..159
Dozer Blade Operation ............................160
Boom Hoses Installation..........................161
Auxiliary Hydraulics Pedal Operation.....162
Tilt Cylinder.............................................163
Tilt Cylinder Hose Installation ................164
Battery......................................................165
Boom Work Light....................................166
Cab Work Lights (Option).......................167
Rotating Beacon (Option)........................168
Main Wire Harness ..................................169
Chassis Wire Harness ..............................170
Engine Wire Harness ...............................171
Armrest Wire Harness .............................172
Proportional Control
Wire Harness (Option).........................174
Radio (Option) .........................................175
Tools ........................................................176
Alphabetical Index...................................177
Numerical Index ......................................179

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