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OPERATION
1900 07/10 Operation Section 4-5
© 2010 Alamo Group Inc.
OPERATION
3. TRACTOR REQUIREMENTS
In addition to tractor horsepower and size required to operate the mower unit, the tractor must also be properly
equipped to provide operator protection, to alert approaching vehicle drivers of the tractor’s presence, and to
ensure tractor stability when mowing with the boom fully extended.
Tractor Requirements and Capabilities
• SAE/ISO ROPS cab and seat belt.
• Operator Protection.......................... Tractor must be equipped with protective structure such as operator
cage or lexan window to protect operator from thrown object and falling objects
• Tractor Safety Devices .................... Slow Moving Vehicle (SMV) emblem, lighting,
• Tractor Ballast .................................As required to maintain at least 1500 lbs. on left rear tire
3.1 ROPS and Seat Belt
The tractor must be equipped with a Roll-Over-Protective-Structure (ROPS) (tractor cab or roll-bar) and seat
belt to protect the operator from falling off the tractor, especially during a roll over where the driver could be
crushed and killed. Only operate the tractor with the ROPS in the raised position and seat belt fastened.
Tractor model not equipped with a ROPS and seat belt should have these life saving features installed by an
authorized dealer. OPS-U- 0003
Operate this Equipment only with a Cab Tractor. Always wear seat belts. (SG-45)
3.2 Operator Thrown Object Protection
The tractor must be equipped with protective
equipment to shield the operator from falling and
thrown objects. For cab tractors, the tractor must
be equipped with an operator safety screen on its
right side or the right side windows must be fitted
with a shatter proof safety window.
OPS-B- 0001_B
Never operate the Tractor and Mower Unit without an OPS (Operators
Protective Structure) or Cab to prevent injury from objects thrown from
ground or from overhead trimming. Stop mowing if workers or passersby
are within 300 feet.
(SBM-9)