550 - BULLDOZER HYDRAULIC SYSTEM 3360 Parts group HYDRAULIC SYSTEM 3360 HYDRAULIC SYSTEM 3360 . CONTROL VALVES (9550 BACKHOE) [02J17] CROWD VALVE (9550 BACKHOE) [02J18] STABILIZER AND BUCKET VALVE (9550 BACKHOE) [02J19] SWING VALVE (9550 BACKHOE) [02J20] BOOM VALVE (9550 BACKHOE) [02J21] BACKHOE LIFT CHECK (9550 BACKHOE) [02J22] BACKHOE RELIEF VALVE (9550 BACKHOE) [02J22] STABILIZER CYLINDER (9550 BACKHOE) [02J23] BOOM CYLINDER (9550 BACKHOE) (SERIAL NO. -048752) [02J24] BOOM CYLINDER (9550 BACKHOE) (SERIAL NO. 048753- ) [02J25] CROWD CYLINDER (9550 BACKHOE) [02K01] BUCKET CYLINDER (9550 BACKHOE) [02K02] SWING CYLINDER (9550 BACKHOE) (SERIAL NO. -039796) [02K03] SWING CYLINDER (9550 BACKHOE) (SERIAL NO. 039797- ) [02K04] STABILIZER CYLINDER PINS (9550 BACKHOE) [02K05] SWING AND BOOM CYLINDER PINS (9550 BACKHOE) [02K06] BUCKET, BOOM AND CROWD CYLINDER PINS (9550 BACKHOE) [02K07] BACKHOE QUICK-DISCONNECT COUPLER (9550 BACKHOE) [02K08] BULLDOZER SELECTOR VALVE TO BACKHOE CONTROL VALVE (9550 BACKHOE) [02K09] BACKHOE CONTROL VALVE TO MANIFOLD BLOCK (9550 BACKHOE) [02K10] BACKHOE STABILIZER CIRCUIT HYDRAULICS (9550 BACKHOE) [02K11] BACKHOE SWING CIRCUIT HYDRAULICS (9550 BACKHOE) [02K12] MANIFOLD TO BOOM, CROWD, AND BUCKET CYLINDER HYDRAULICS (9550 BACKHOE) [02K13]