021 TELESCOPING SYSTEM D00631171810000000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00631171810000000 Telescoping system
1 00631221800001010 •Pin 1
2 006340000072 •Retaining ring 1
3 1040000114 •Bolt 16
4 1040300067 •Washer 16
5 00631201801600000 •Adjusting pad block 4
6 00631141800001010 •Pin 2
7 00633091800001080 •Baffle 4
8 1040100075 •Screw 8
9 1040300184 •Retaining ring 4
10 00631141800200000 •Securing bracket for wire rope 1
11 00633230000000064 •Shaft 4
12 00631171800200000 •Extension rope I 2
13 00633230000000030 •Pin 2
14 1040500137 •Pin 2
15 00631141810200001 •Wire rope support 1
16 00631001800001020 •Guard board 2
17 1040200192 •Nut 8
18 1040100031 •Screw 6
19 1040300063 •Washer 12
20 00631171800400000 •Boom extension rope II 2
21 00631171800800000 •Retraction rope II 2
22 00631141801400000 •Guide seat 1
23 00633141802800000 •Wire rope protection cover 1
24 00631141810400000 •Roller head assy. 1
25 1040200097 •Nut 4
26 1040200172 •Nut 4
27 00633091800001170 •Washer 8
28 1040300053 •Washer 4
29 1040200170 •Nut 4
30 00633101801400000 •Wire rope protection 1
31 00630931810001020 •Spacer sleeve 2
32 00631141800001020 •Shaft 1
33 00633141800001100 •Plate 1
34 00631141810001010 •Pin 2
35 00633141802000000 •Pulley housing 2
36 1040000098 •Bolt 4
37 00633141800001120 •Plate 2
38 1040000199 •Bolt 2
39 00633230000000053 •Roller assy. 2
40 00633230000000049 •Shaft 2
41 00633230000000047 •Angle iron 2
42 1040000109 •Bolt 2
43 1040300062 •Washer 2
44 1040300054 •Washer 10
45 1040100089 •Screw 10
46 00633141802200000 •Wheel 2
47 00633141800001130 •Pin 2
48 1040300096 •Retaining ring 2
49 Telescoping cylinder I 1
50 Telescoping cylinder II 1
51 Basic boom assy. 1
52 Telescopic boom section 1 assy. 1
53 Telescopic boom section 2 assy. 1
54 Telescopic boom section 3 assy. 1
55 Telescopic boom section 4 assy. 1
022 WIRE ROPE SUPPORT D00631141810200001Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00631141810200001 Wire rope support
1 00631141810210001 •Wire rope support welded 1
2 00631221800401010 •Slide block 1
3 1040100261 •Screw 2
4 1040200192 •Nut 2
5 1040300063 •Washer 2
023 GUIDE SEAT D00631141801400000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00631141801400000 Guide seat
1 00631141801410000 •Guide seat welded 1
2 1040300061 •Washer 6
3 1040300067 •Washer 3
4 1040000114 •Bolt 3
5 00633141801420000 •Wire rope cover 1
6 00631141801401011 •Slide block 1
7 1040100492 •Screw 4
024 ROLLER HEAD ASSY. EXPLODED VIEW D00631141810400000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00631141810400000 Roller assy.
1 00631141810410000 •Roller head welded 1
2 00631141801620000 •Cable guide pulley 2
3 00631141801630000 •Pin 1
4 00633230000000065 •Cover 2
5 1040000267 •Bolt 8
6 1040300063 •Washer 8
7 00633141801601020 •Spacer ring 4
8 00633230000000034 •Pin 1
9 1040500137 •Pin 2
10 00631141810401010 •Wheel 2
11 00633091800201030 •Pipe 1
12 1040000116 •Bolt 2
13 1040300067 •Washer 2
14 1040300027 •Washer 2
15 00631141801601010 •Pin 1 E
025 TELESCOPING CYLINDER I D00631178410100000_6400Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00631178410100000 Telescoping cylinder I
1 00631178410102000 •Piston rod 1
2 1081200356 •Dust ring 1
3 1040101616 •Screw 1
4 00630878410100003 •Cylinder cover 1
5 1081002297 •U-ring 1
6 00631148410100002 •Guide sleeve 1
7 1081002392 •Step Seal 1
8 1081000650 •O-ring 1
9 1040301112 •Retaining ring 1
10 1054400080 •Bushing 1
11 00631148410100004 •Spacer sleeve 1
12 00631178410101000 •Cylinder 1
13 00630878410100005 •Spacer sleeve 1
14 00630878410100001 •Piston 1
15 1081000337 •Combination seal ring 1
16 1081000454 •O-ring 1
17 1040301292 •Retaining ring 2
18 1081002190 •KYX piston seal 1
19 1081400895 •Guide ring 1
20 1081002579 •U-ring 2
21 1081002414 •Step Seal 2
22 00630848420100006 •Guide sleeve 1
23 00631148410100005 •Nut 1
24 00630848420100008 •Nut 1
25 1081002454 •Seal ring 3
26 1040100467 •Screw 1
27 00631178410103000 •Small rod 1
28 00630848420100009 •Tail cover 1
29 00630848420104000 •Cover plate 1
30 1040300738 •Washer 2
31 1040101360 •Hexagon socket plug 2
32 1040000018 •Bolt 8
33 1040300063 •Washer 8
34 0063084842010000A •Cover plate 1
35 1010300314 •Balance valve 1
36 1081002063 •O-ring 2
37 1040101151 •Screw 1
38 1040301219 •Retaining ring 1
39 E0631178410100001 •Seal kit 1 E
026 TELESCOPING CYLINDER II D00631178410200000_6400Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00631178410200000 Telescoping cylinder II
1 1081200356 •Dust ring 1
2 1040100368 •Screw 1
3 00630878410100003 •Cylinder cover 1
4 1081002297 •U-ring 1
5 00630878410100002 •Guide sleeve 1
6 1081400772 •Guide ring 1
7 1081002392 •Step Seal 1
8 1081000650 •O-ring 1
9 1040301112 •Retaining ring 1
10 1054400082 •Bushing 1
11 00631148410200004 •Spacer sleeve 1
12 00631178410202000 •Piston rod 1
13 1081400867 •Anti-pollution ring 1
14 00631178410201000 •Cylinder 1
15 00630878410100005 •Spacer sleeve 1
16 00630878410100001 •Piston 1
17 1081000337 •Combination seal ring 1
18 1081000454 •O-ring 1
19 1040301292 •Retaining ring 2
20 1081002190 •KYX piston seal 1
21 1081400895 •Guide ring 1
22 00630878410100006 •Nut 1
23 1040100467 •Screw 1
24 0063084842010000A •Cover plate 1
25 00630848420104000 •Cover plate 1
26 1040300738 •Washer 2
27 1140105401 •Hex screw plug 2
28 1040000018 •Bolt 8
29 1040300063 •Washer 8
30 1010300314 •Balance valve 1
31 1081002063 •O-ring 2
32 E0631178410200001 •Seal kit 1 E
027 DERRICKING CYLINDER D00755918400300000_6400Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00755918400300000 Derricking cylinder
1 00755918400301000 •Oil cylinder 1
2 1040300171 •Retaining ring 1
3 00756118400300007 •Sleeve ring 1
4 00756118400300008 •Retaining ring 1
5 1081400899 •Guide ring 2
6 1081000701 •ZP-type piston combination seal ring 1
7 1081000463 •O-ring 1
8 00755918400300001 •Piston 1
9 00755918400300006 •Spacer sleeve 1
10 011299916A0000004 •Steel wire woven retaining ring 1
11 1054400096 •Bushing 1
12 1081000666 •O-ring 1
13 1040301163 •Retaining ring 1
14 00755918400300002 •Guide sleeve 1
15 1081000378 •Combination seal washer 1
16 1040100467 •Screw 1
17 1081001635 •O-ring 1
18 1081000377 •Yx-ring for shaft 1
19 1081000648 •O-ring 1
20 00755918400300003 •Gland 1
21 1081200294 •Dust ring (A6 type) 1
22 00755918400302000 •Piston rod 1
23 1080000250 •Oil cup 2
24 1054400001 •Combination bushing 4
25 1050000131 •Centripetal knuckle bearing 1
26 1040300009 •Retaining ring 2
27 00755918400300007 •Ring 1
28 E0755918400300001 •Seal kit 1 E
028 DERRICKING CYLINDER INSTALLATION D00755904700800000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00755904700800000 Derricking cylinder installation
1 00755904700801010 •Shaft 1
2 1040000082 •Bolt 1
3 1040300065 •Washer 1
4 00755904700801020 •Chuck plate 1
5 Slewing table and its attachments welded assy.1
6 Derricking cylinder 1
029 MAIN HOOK D1090400135_101737Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
1090400135 Main hook
1 P10900001483 •Plate 1
2 P10900001484 •Plate 2
3 P10900001485 •Pulley shaft 1
4 P10900001486 •Latch 5
5 P10900001487 •Sleeve pipe 5
6 P10900001489 •Hook nut 1
7 P10900001488 •Hook crossbeam 1
8 P10900001490 •Hook 1
9 P10900001491 •Hook pulley 5
10 P10900001492 •Bearing 10
030 SECURING DEVICE FOR HOOK D00755914300000000Y-- Zoomlion RT551 Rough Terrain Crane Spare Parts Catalog
POS. CODE DESCRIPTION QTY. REMARK
00755914300000000 Securing device for hook
1 00755914300001010 •Wire rope 1
2 1090100337 •Shackle 2
3 Chassis frame assembly 1