In addition, when {HEAD ~ a tilting amount} of {TAIL ~ the first hydraulic motor} 23 reaches a minimum tilting amount q1min, the engine 10 has its maximum engine speed limited to a first engine speed limit Ncmax1  
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In addition , when { HEAD ~ a tilting amount } of { TAIL ~ the first hydraulic motor } 23 reaches a minimum tilting amount q1min , the engine 10 has its maximum engine speed limited to a first engine speed limit Ncmax1
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH