950J - DOZER, CRAWLER 42 Ground Conditioning Tool Parts group 42 Ground Conditioning Tool 4201 Blades, Teeth, Shanks, Etc. . Three Shank Ripper Three Shank Ripper Components Three Shank Ripper Components 4215 Controls Linkage . Ripper Hydraulic Control Lever and Hoses Rear Hydraulics 4262 Control Valve . Ripper Hydraulic Control Valve 4263 Lines, Hoses & Fittings . Ripper Hydraulic Control Valve Hoses and Manifold 4265 Hydraulic Cylinder . Three Shank Ripper, Hydraulic Cylinder Three Shank Ripper, Hydraulic Cylinder Piston and Rod Guide Select group 42 Ground Conditioning Tool John Deere: 4201 Blades, Teeth, Shanks, Etc. 4215 Controls Linkage 4262 Control Valve 4263 Lines, Hoses & Fittings 4265 Hydraulic Cylinder