Parts list: № Number Qty Name Options 1 T77814 4 O-Ring 7.645 X 1.778 mm (0.301" X 0.070") 2 AL165776 1 Oil Line 3 AL80837 1 Spool Valve 4 38H5183 1 Elbow Fitting 5 AL166330 1 Hydraulic Hose 9/16" X 1890 mm (74-1/2") X 9/16" Next page: ST73180 AutoTrac™ Tractor Kit, Steering Pivot Assembly Components, 7630, 7730, 7830, 7930 ST73270 AutoTrac™ Tractor Kit, Chassis Harness, 8130, 8230, 8330, 8430, 8530 ST808884 Attachment, AutoTrac™ Tractor Kit, Steering System, 6170R, 6190R, 6210R Models ST73368 AutoTrac™ SSU Jumper Harness, Large Frame 7020, 8000, 8000 Ten, 8020 Wheel, Revised Forward Speed, Reverse Functionality (Circles Compatible) ST720013 Attachment, AutoTrac™ Tractor Kit, 9X00 Series Wheel (PIN -039999) W/ Manual Shift Transmission ST741320 Attachment, AutoTrac™ Ready Steering, 8030 Series W/ MFWD (PIN 005467-) ST73161 AutoTrac™ Tractor Kit, SSU to Cab Harness, 7220, 7320, 7420, 7520 ST883588 AutoTrac™ Tractor Kit, Electro Hydraulic Steering Valve, 7715, 7815 W/ MFWD (For Brazil) ST73187 AutoTrac™ Tractor Kit, ,7630, 7730, 7830, 7930 W/ MFWD (1 of 2) ST73142 AutoTrac™ Tractor Kit, Steering Angle Sensor Harness and Guard, 6230, 6330, 6430, 6530, 6630