P32—Lancaster Farming, Saturday, November 5,1953
Today’s farm tractors have
come a long way from the old
steam powered traction machines
of yesterday, says James W
Garthe, Peon State Extension
agricultural engineer.
The ancestors’ of today’s tractor
were huge and awkward to
operate. Some required eight men
Just to run them and sparks from
the machine's smokestacks often
caused Area.
Modem agricultural tractors are
powerful, efficient and highly
specialized. Hitching systems and
power take-off drives have been
standardised and operator comfort
has become a major feature.
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Energy
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By Janies W. Garthe
Penn State Ext. ag engineer
Tractors come in two main
types: two and four wheel drives.
But there are several kinds of two
wheel drive tractors and a couple
of different four wheel drives.
The different kinds of two wheel
drive tractors fall into one of two
categories: standard tread and
rowKTop, or adjustable tread.
Standard tread is popular in
wheat-growing areas and orchards
where tread width makes no real
difference.
Among row-crop tractors, there
are also two types: tricycle and
wide front end. The tricycle was
popular in older models, but
provides less operator comfort and
is less stable. Adjustable front
ends offer better stability and
comfort and a variety of tread
widths to work in row crops. The
high-clearance tractor is a
variation of the row-crop type that
provides 12 to 14 extra inches of
clearance under the tractors for
working tall crops such as sweet
sorghum.
Four wheel drive tractors come
in true four wbeel drives and front
wheel auxiliary. Front-wheel
auxiliary drives are actually
conventional two wheel drive
tractors that have been modified to
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power the front wheels when
needed. These tractors have front
wheels that are larger than con
ventional front wheels but smaller
than the rear wheels.
True four wheel drive tractors
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have wheels that are all the same
size and all of them are used to
propel the tractor.
There is a tractor for every
agricultural need and each type
has its own special features.
PHONE
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or 717-626-1164
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