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3. TRACTOR REQUIREMENTS
Tractor Requirements and Capabilities
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Certified approved Roll-Over Protective Structure (ROPS) or ROPS cab and seat belt.
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Tractor Safety Devices .................................. Slow Moving Vehicle (SMV) emblem, lighting,
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Tractor Horsepower- Minimum ...................... DHP8 40-65 hp, DHP10 45-100 hp, DHP 55-100 hp
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Hitch .............................................................. Pull-Type w/Clevis and hole for 1-1/4" Pin
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 models 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 Tractor equipped with an approved roll-
over-protective system (ROPS). Always wear seat belts. Serious injury or even
death could result from falling off the tractor, particularly during a turnover when
the operator could be pinned under the ROPS.
3.2 Tractor Safety Devices
If transporting or operating the tractor and implement near a public roadway, the tractor must be equipped with
proper warning lighting and a Slow Moving Vehicle (SMV) emblem which are clearly visible from the rear of
the unit. Lights and a SMV emblem must be equipped directly on implements if the visibility of the tractor
warning signals are obscured.
Maintain all manufacturer equipped safety shields and guards. Always replace shields and guards that were
removed for access to connect, service, or repair the tractor or implement. Never operate the tractor PTO
with the PTO master shield missing or in the raised position. OPS-U- 0004
3.3 Tractor Horsepower
The power required to operate an implement is determined by the tractor PTO horsepower. For most operating
conditions, implement requires a tractor with at least 40 hp for DHP8, 45 hp for DHP10 and 55 hp for DHP12.
Operating the implement with a tractor that does not have adequate power may damage the tractor engine.
Exceeding required HP may cause implement damage by overpowering the unit in heavy cutting conditions.
3.4 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
DHP8, DHP10, DHP12
© 2021 Alamo Group Inc.
OPERATION
PTO master shield
05/21
Operation Section 4-5
(SG-7)
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