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(K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03) (11-054) - CYLINDER ASSY (ARM), P/N 2438U992F1 Kobelco


1. HEAVY EQUIPMENT
2. CRAWLER EXCAVATORS
3. K SERIES EXCAVATORS
4. (K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03)
5. 11 Hydraulic Components
6. (11-054) - CYLINDER ASSY (ARM), P/N 2438U992F1


(11-054) - CYLINDER ASSY (ARM), P/N 2438U992F1 Kobelco:

(11-054) - CYLINDER ASSY (ARM), P/N 2438U992F1 Parts scheme
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Parts on group (K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03):

Pos. Part No Qty Parts name Comments
. . 2438U992F1 [1]   CYLINDER ASSY, BUCKE   CYLINDER ASSY, BUCKE
1. 2438U992S1 [1]   TUBE, CYLINDER   TUBE, CYLINDER
2. 2438U515S2 [2]   BUSHING   KOB
3. 2445R138D3 [4]   SEAL,60mm ID x 75mm OD x 4mm Thk   KOB Dust -- ID 60 x OD 75 x Th 4mm
4. 2438U992S4 [1]   PISTON ROD   KOB
5. 2438U992S5 [1]   PISTON   KOB
6. 2438U992S6 [2]   RING   KOB DUST
7. 2438U704S8 [2]   WEAR RING   KOB
8. 2438U704S6 [1]   SEAL   KOB
9. 2438U704S7 [1]   O-RING   O-RING
10. ZD12G06500 [1]   O-RING,64.40mm ID x 70.60mm OD x 3.10mm   KOB ID 64.40 ± 0.57 x OD 70mm
11. ZD75G06500 [2]   BACK-UP RING   KOB
12. 2438U738S10 [1]   NUT   KOB
13. 2438U974S13 [1]   LOCKING RING   KOB
14. 2438U992S14 [1]   COVER   KOB
15. ZD12G09500 [1]   O-RING,3.1mm Thk x 94.4mm ID, 90 Duro   KOB O-Ring -- ID 94.40 ± 0.81 x OD 100mm
16. ZD12P08500 [1]   O-RING   KOB
17. 2438U704S15 [1]   BACK-UP RING   KOB
18. B38K0038E10 [1]   CLIP   KOB
19. 2438U255E15 [1]   BUSHING   KOB Superseded by part number: 2405U104D065040
20. R45P0050D6 [1]   SEAL   KOB
21. 45Z91D16 [1]   O-RING   KOB ID 69.22 ± 0.38 OD 79.88mm
22. 2438U992S22 [1]   PACKING, ROD   PACKING, ROD
23. 2438U908S27 [1]   SEAL   KOB DUST
24. ZS23C14055 [8]   SCREW,Hex Socket Head, M14 x 55mm   KOB M14x2.0x55mm
25. 2438U992S25 [1]   BRACKET   KOB Superseded by part number: YW01V00003S024
26. 2438U992S26 [2]   BAND   KOB
27. 2438U992S27 [1]   BRACKET   KOB
28. ZS16C10035 [2]   SCREW   KOB M10x1.50x35mm Superseded by part number: ZS18C10035
29. ZW26X10000 [2]   LOCK WASHER   KOB ID 10 x OD 18 x Th 2.5mm
. . 2438U992R100 [1]   REPAIR KIT   KOB CONSIST OF ITEM 15 TO 17. 20 TO 23 Superseded by part number: 2438U992R100P
. . 2438U992R200 [1]   REPAIR KIT   KOB CONSIST OF ITEM 6 TO 11

Parts catalog (K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03):

(11-053) - CYLINDER ASSY(L.H BOOM), P/N 2438U990F1
(K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03) part catalog
(11-052) - CYLINDER ASSY (R.H BOOM), P/N 2438U989F1
(K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03) part catalog
(11-051) - CYLINDER ASSY (BUCKET), P/N 2438U974F1
(K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03) part catalog
(11-050) - CYLINDER ASSY (ARM), P/N 2438U973F1
(K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03) part catalog
(11-055) - CYLINDER ASSY (BUCKET), P/N 2438U992F1
(K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03) part catalog
(11-056) - CYLINDER ASSY (SIDE DIGGING)
(K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03) part catalog
(11-057) - PUMP ASSY, GEAR
(K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03) part catalog
(11-058) - MOTOR ASSY, (PROPELLING), P/N 2441U750F1
(K904) - MARK II EXCAVATOR ASN YW1119 (1/88-12/03) part catalog
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