Posted 8/17/2009 10:54 (#814115 - in reply to #814099) Subject: RE: Trimble or JD for rolling terrain...
Central Nebraska
Trimble's Nav II has 3-dimensional roll compensation ("T3"), while the EZ Steer T2 controller and the JD iTC system (as I understand it) have roll and yaw, but not pitch. The Nav II is superior to both of these controllers (the T2 is designed that way to keep costs down for the EZ market).