Parts list: № Number Qty Name Options 1 AT33970 1 HYDR. QUICK COUPLER PLUG 2 U12037 1 O-Ring 3 U40471 1 BACK-UP RING 4 AT39581 1 HYDR. QUICK COUPLER SOCKET Next page: 20-21 OIL LINES AND FITTINGS: PRESSURE AND RETURN CIRCUITS (JD300, JD400, JD401-A) [C04] 20-22 OIL LINES AND FITTINGS: CONTROL VALVE TO MANIFOLD (JD300, JD400, JD401-A) [C05] 20-23 OIL LINES AND FITTINGS - CONTROL VALVE TO MANIFOLD (JD350-B, JD450-B) [C06] 20-24 OIL LINES AND FITTINGS: CONTROL VALVE TO STABILIZER AND SWING CYLINDERS [C07] 20-25A OIL LINES AND FITTINGS: MANIFOLD TO BOOM, CROWD, AND BUCKET CYLINDER [C08] 20-20 QUICK-DISCONNECT COUPLERS (JD300, JD400, JD401-A) [C03] 20-2 CONTROL VALVES (JD300, JD400, JD401-A) [B07] 20-19 SWING CYLINDER [C02] 20-18 STABILIZER CYLINDER [C01] 20-17 CROWD CYLINDER [B25]