Valtra Small A Series

Table of Contents
Specifications Section
Engine Design ..................................................... 4
Fuel Injection Lines .............................................. 5
Fuel Injection Pump (Bosch) (4 Cylinder Only) ..... 5
Fuel Injection Pump (Delphi) (4 and 3 Cylinder
Engines) .............................................................. 6
Fuel Injectors ....................................................... 7
Fuel Transfer Pump .............................................. 7
Lifter Group ........................................................... 8
Rocker Shaft ........................................................ 8
Valve Mechanism Cover ........................................ 9
Cylinder Head Valves ............................................ 9
Cylinder Head ...................................................... 11
Turbocharger ....................................................... 12
Exhaust Manifold ................................................. 13
Camshaft ............................................................. 14
Camshaft Bearings .............................................. 15
Engine Oil Filter ................................................... 15
Engine Oil Pump .................................................. 16
Engine Oil Pressure ............................................. 18
Engine Oil Bypass Valve ...................................... 18
Engine Oil Pan ..................................................... 19
Crankcase Breather ............................................. 21
Water Temperature Regulator and Housing .........21
Water Pump ......................................................... 22
Cylinder Block ...................................................... 23
Crankshaft ........................................................... 25
Crankshaft Seals ................................................. 29
Connecting Rod Bearing Journal ......................... 30
Main Bearing Journal ............................................ 30
Connecting Rod ................................................... 31
Piston and Rings .................................................. 32
Piston Cooling Jet ................................................. 33
Front Housing and Covers ................................... 34
Gear Group (Front) ............................................... 35
Flywheel ............................................................... 37
Flywheel Housing ................................................ 37
Crankshaft Pulley ................................................. 37
Fan Drive ............................................................. 38
Engine Lifting Bracket ........................................... 38
Alternator ............................................................. 38
Starter Motor ........................................................ 39
Glow Plugs ........................................................... 40
3
20. ENGINE
Issue No.
1 02.12.2013
Model
A53/63/73
Code
210
Page
2