Each slave carriage includes a steerable wheel assembly and {HEAD ~ a steering mechanism} wherein {TAIL ~ the slave carriages} may be steered remotely from the master carriage between irrigation and transport positions 
Each slave carriage includes a steerable wheel assembly and { HEAD ~ a steering mechanism } wherein { TAIL ~ the slave carriages } may be steered remotely from the master carriage between irrigation and transport positions
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH