
McHale
991 High Speed
Round Bale Wrapper
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Tractor requirements & preparation
5.1 Tractor requirements
The minimum recommended size of tractor for operating the machine comfortably on
flat ground would be approximately 35 kW. On hilly ground or difficult conditions, an
additional 10 to 15 kW is advisable.
The following items on the tractor are required for attachment of the bale wrapper to
the tractor.
1.
Drawbar hitch suitable for a vertical load of at least 1,100 kg and a D value of
at least 50 kN
2.
½” female quick-release for hydraulic power supply of minimum 20 l/min @ 180 bar
3.
½” female quick-release for return line (must be free flow to tank)
4.
12 V / 7-pin socket for lighting
5.
12 V, 20 A socket or battery power cable (machine loom to control box shown)
NOTE: Use good quality oil
Ensure that the tractor has clean, good quality, hydraulic/universal oil to
avoid problems later on. Also, the hydraulic filters on the tractor should
be changed regularly, according to the manufacturer’s service
instructions. Avoid dirt getting into the hydraulic couplings.
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