Allis-Chalmers WD Operating Instructions And Repair Parts Illustrations page 5

IT PAYS TO PAY A LITTLE MORE FOR QUALITY LUBRICANTS
It has long been recognized that the life of a
tractor is largely determined by the kind of
lubrication it receives. Therefore always use
oil and grease of high quality, manufactured
by a dependable oil company who has established
a reputation for quality products and whose
success depends on maintaining such quality.
In addition to using high quality oils it is also
necessary to use oils of proper viscosity. Oil
that is too heavy cannot reach all points to be
FOR ECONOMY AND PERFORMANCE USE FUELS SPECIFIED FOR YOUR ENGINE
Engines for Model "WD" Tractors may be secured
with either a high or low compression ratio.
Each is designed to efficiently burn a particular
class of fuel. For best performance use the
class of fuel for which the engine was designed.
Standard compression engines are equipped to
burn distillate, tractor fuel or low octane gaso-
line. These fuels should have the following
specifications: Gravity -- 38 or higher; End
Point -- 525O or less; Octane Rating -- 30 or
more; Gasoline -- 60 octane or higher. Engines
Allis-Chalmers tractors are supplied with one
of two styles of manifolds.
The two fuel manifold is used with standard
compression engines and can be used for trac-
tor fuel or gasoline.
is supplied on high compression engines and
GENERAL INFORMATION
LUBRICATION
MANIFOLD
The gasoline manifold
lubricated, therefore, it will cause undue wear
and engine sluggishness. Oil that is too light
will not form a protective film between moving
parts. For best results and to assure lubrica-
tion between snug fitting parts refer to lubri-
cants recommended
Some parts need more frequent lubrication than
other parts. Lubrication intervals outlined in
LUBRICATION GUIDE pages 8 and 9 should
be followed closely.
FUELS
equipped to burn the above fuels are designated
by the letter "K" following the engine serial num-
ber located on the left rear of engine block.
(Example: WD110650 KA)
High compression engines are equipped to
burn gasoline only. For average loads use
60 octane gasoline or higher. For continued
heavy loads use 70 octane gasoline or higher.
These engines are designated by the letter
"G" following the engine serial number, (Ex-
ample: WD110650 GA)
uses gasoline only.
When using the two fuel manifold install the
cover marked "K" when burning tractor fuel
or distillate. Install the cover marked 'G"
when using gasoline.
in Lubrication Guide.