4.5 EQUIPMENT MATCHINGTo insure the safe and reliable operation of theGrinder, it is necessary to use it with a tractor ofappropriate size and power. As a guideline, insurethat these requirements are met:1 - Horsepower: The tractor should have aminimum of 60 PTO hp for use with dry materialand at least 70 PTO hp for use with wetmaterial.2. Drawbar Dimension: The tractor drawbar mustbe 14 inches between the end of the shaft anddrawbar pin hole center. This will provide suffi-cient clearance for turning and allow telescopingof the shaft. Consult your tractor manual forthe drawbar adjustment procedure.3. PTO Shaft: The tractor must be equipped witha 1 3/8 inch, 6 spline 540 RPM PTO.IMPORTANTDo not use shaft adapters with this machine. Theywill alter the required drawbar dimensions and canlead to overspeeding.4. Hydraulic System: Hydraulically, the tractormust have one remote outlet of 6 gpm (25 lpm)@ 1000 psi (6800 kPa) to operate the rotorgrate.540 RPM14 INCHESFig. 2 DRAWBAROPERATION17