101 ELECTRO-HYDRAULIC DIRECTIONAL CONTROL VALVE(BASE PLATE ) D1010302101_6500Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
1010302101 Electro-hydraulic directional control valve
11 (7) •Makeup valve 1 F
12 (8) •Base plate 1 F
13 (9) •Back pressure valve 1 F
102 ELECTRO-HYDRAULIC DIRECTIONAL CONTROL VALVE(MAKEUP VALVE) D1010302101_6500Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
1010302101 Electro-hydraulic directional control valve
7 1081000029 •O-ring 6
14 (10) •Spring seat 1 F
15 1081200477 •O-ring 2
16 (11) •Spring 1 F
17 (12) •Valve core 1 F
18 (13) •Check valve seat 1 F
19 1081200472 •O-ring 1
103 ELECTRO-HYDRAULIC DIRECTIONAL CONTROL VALVE(BACK PRESSURE VALVE) D1010302101_6500Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
1010302101 Electro-hydraulic directional control valve
7 1081000029 •O-ring 6
15 1081200477 •O-ring 2
19 1081200472 •O-ring 1
20 (14) •Spring seat 1 F
21 (15) •Spring 1 F
22 (16) •Valve core 1 F
23 (17) •Check valve seat 1 F
104 DERRICKING BALANCE VALVE INSTALLATION D00755914821800000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00755914821800000 Derricking balance valve installation
1 1040300067 •Bolt 4
2 1040000117 •Washer 4
3 1010302038 •Derricking balance valve 1
4 Derricking cylinder 1
105 HOISTING BALANCE VALVE INSTALLATION D00755914821600000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00755914821600000 Hoisting balance valve installation
1 1040300054 •Washer 4
2 1040000471 •Bolt 4
3 1010301642 •Hoisting balance valve 1
4 Winch reducer 1
106 CAB VALVE INSTALLATION(PILOT-OPERATED CONTROL JOYSTICK) D00755914810800000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00755914810800000 Cab valve installation
6 1040100105 •Screw 8
7 1040300062 •Washer 8
8 1040200810 •Nut 8
14 1019900679 •Left pilot-operated control joystick 1
15 1019900680 •Right pilot-operated control joystick 1
16 Driver's cab 1
107 CAB VALVE INSTALLATION(FOOT-OPERATED INSTALLATION) D00755914810800000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00755914810800000 Cab valve installation
1 1040000132 •Bolt 4
2 1040300067 •Washer 6
3 1040000152 •Bolt 2
4 1040200113 •Nut 2
5 00755914810801010 •Plate 2
6 1040100105 •Screw 8
7 1040300062 •Washer 8
8 1040200810 •Nut 11
9 1040000110 •Bolt 3
10 1040300063 •Washer 3
11 1019900354 •Hydraulic steering gear 1
12 1010303070 •Foot-operated control valve 1
13 1010302048 •Service brake valve 1
16 Driver's cab 1
108 SLEWING MECHANISM D00755904400000000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00755904400000000 Slewing mechanism
1 1040002262 •Bolt 12
2 1040300526 •Seal ring 12
3 1030200682 •Swing reducer 1
4 1040100718 •Screw 8
5 00755904400001010 •Positioning bolt 4
6 1040300068 •Washer 4
7 204050019 •Industrial closed gear oil 1 E
8 1040300054 •Washer 8
9 Slewing table and its attachments assy. welded 1
109 SWING REDUCER D1030200682_100013Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
1030200682 Swing reducer
1 1039804756 •Output gear 1
2 1039801996 •Bearing 1
3 1039802474 •Hexagon screw 4
4 1039800661 •Plug 1
5 1039802031 •Combination pad 1
6 1039801862 •Hexagon socket plug 1
7 1039802030 •Combination pad 1
8 1039800638 •Hexagon screw 12
9 1039800640 •Spring washer 12
10 1039802441 •Coupling spindle 1
11 1039800666 •X-ring 1
12 1039800650 •Nylon retaining ring 2
13 1039802440 •Piston 1
14 1039800663 •Spring 14
15 1039800662 •Spring 14
16 1039800653 •O-ring 1
17 1039804763 •Hexagon socket plug 1
18 1039800660 •Ventilation plug 1
19 1039802443 •Hexagon screw 8
20 1039800641 •Spring washer 8
21 1039802479 •O-ring 1
22 1039802442 •Input flange 1
23 1039800667 •X-ring 1
24 1039800649 •Nylon retaining ring 2
25 1039800681 •Adjusting washer 1
26 1039800664 •Stator plate 5
27 1039800655 •O-ring 2
28 1039800665 •Rotor plate 4
29 1039800682 •Washer 1
30 1039803727 •Oil seal 2
31 1039800642 •Circlip 1
110 SLEWING BEARING ASSY. D00755904500000000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00755904500000000 Slewing bearing assy.
1 1040001553 •Bolt 38
2 1031500124 •Swing bearing 1
3 1040001554 •Bolt 48
4 202230006 •Loctite glue 0.1kg E
5 204110014 •Lithium-based Grease 2kg E
6 Slewing table and its attachments assy. welded 1