One New Aftermarket Replacement Pioneer Hydraulic Conversion Coupler Kit Fits John Deere Tractor Models: 7020, 6030, 5020, 4000, 4020, 4030, 4040, 4230, 4240, 4320, 4430, 4440, 4520, 4620, 4630, 4640, 4840, 3020, 3030, 3040, 3130, 3140, 2020, 2030, 2040, 2130, 2140, 2240, 2440, 2520, 2630, 2640, 2840, 2940, 1020, 1030, 1130, 1520, 1530, 1630, 1640, 1830
Will work on all 30 and 40 Series Row Crop and Utility Tractors with closed Center Hydraulic Systems that use a one piece Cast Coupler Housing for each pair of Remote Couplers, or where Coupler Housing is part of the Selective Control Valve (SCV)
Will also fit Late models 2520, 3020, 4020, 4320, 4520, 7020, and 7520 that use a one piece Cast Coupler Housing for each pair of Remote Couplers, or where Coupler Housing is part of the Selective Control Valve (SCV)