wherein the HST includes two hydraulic motors of the variable displacement type connected as first and second hydraulic motors in {HEAD ~ a closed circuit} to {TAIL ~ the hydraulic pump}, the motors being connected in parallel to each other; and 
to
wherein the HST includes two hydraulic motors of the variable displacement type connected as first and second hydraulic motors in { HEAD ~ a closed circuit } to { TAIL ~ the hydraulic pump } , the motors being connected in parallel to each other ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH