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OPERATION
148 02/11 Operation Section 4-5
© 2011 Alamo Group Inc.
OPERATION
2.3 Tractor Horsepower
The power required to operate a mower is determined by the tractor PTO horsepower. For most mowing
conditions, the 160 mower requires a tractor with at least 20 HP. Operating the mower with a tractor that does
not have adequate power may damage the tractor engine. Exceeding 50 HP may cause mower damage by
overpowering the unit in heavy cutting conditions.
2.4 3-Point Hitch
The tractor 3-point hitch must be rated to lift at least
410 lbs.
The 148 mower is designed to be mounted on a
tractor with a CAT I 3-point hitch or CAT I Quick
Hitch. Refer to the tractor operator’s manual for the
category of the tractor being used. If the hitch does
not conform to ASABE CAT I dimensions, the
mower may not fit or raise properly. Consult an
authorized dealer for possible modification
procedures to mount non-conforming hitches.
Depending on the hitch category, certain size pins
are used to attach the mower to the tractor. CAT I
hitches require 7/8” lower and 3/4” upper diameter
hitch pins. Quick Hitch requires 1-7/16” diameter
lower pin and 1-1/4” diameter upper pin.
Our 3-Point Quick Hitch is designed to connect to a
Quick-Attach coupler making mounting and
dismounting your mower easier. The 3-Point Quick
Hitch is also designed to connect the mower to a
tractor’s 3-point linkage without the use of a Quick-
Attach Coupler.
Standard Hitch
Quick Hitch
2.5 Front End Weight
A minimum of 20% total tractor weight must be maintained on the tractor front end at all times. Front end
weight is critical to maintain steering control and to prevent the tractor from rearing up while driving. If the
front end is too light, add weight until a minimum of 20% total weight is reached on the front tires. Front
weights and weight carriers can be purchased through an authorized tractor dealership. OPS-U- 0005