Automatic depth control system and method
Blade and linkage mechanism with downdraft control
Blade plow with resilient mounting
Bypass system for electronically controlled implement lift
Electrohydraulic control of implement lift cylinders
Implement suspension with accumulator
Precision hoe opener with swing link between cylinder and shank
Prescision hoe opener with swing link between cylinder and...
Spring-cushioned hydraulic depth control system for tillage impl
Three-point hitch draft control
Tractor linkage with pitch altitude control connected to sensor