Each turn assist {TAIL ~ cylinder} is coupled between {HEAD ~ the frame} and a corresponding caster wheel assembly 
Each turn assist { TAIL ~ cylinder } is coupled between { HEAD ~ the frame } and a corresponding caster wheel assembly
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH