4478057 4456955 4456959 EX1900BH boom arm bucket hydraulic cylinders

EX1900-6  Hitachi  hydraulic cylinders

boom cylinder 4456959

arm cylinder  4456955

bucket cylinder 4478057

EX1900-5 hydraulic cylinders and spare parts

Pos. Part No Qty Parts name

4478057 [1]   CYL.;BUCKET

1 904801 [1]   TUBE;CYL.

2 904802 [1]   ROD;PISTON

3 867902 [1]   HEAD;CYL.

4 379905 [1]   BUSHING

5 834707 [1]   RING;RETAINING

6 392303 [1]   RING;SEAL

7 4070027 [1]   PACKING;U-RING

8 242706 [1]   RING;BACK-UP

9 392304 [1]   RING

10 4429148 [1]   RING;WIPER

11 4123509 [1]   O-RING

12 257007 [1]   RING;BACK-UP

13 4104472 [8]   BOLT;SOCKET

14 904803 [1]   BRG.;CUSHION

15 834709 [1]   PISTON

16 257010 [1]   RING;SEAL ASSY

17 645008 [2]   RING;SLIDE

18 4199817 [2]   RING

19 834710 [1]   NUT

20 834711 [1]   SCREW;SET

21 109124 [1]   BALL;STEEL

22 257017 [1]   BRG.;SPH.ROL.

22A. 4318787 [2]   SEAL

23 4036055 [1]   RING;RETAINING

24 834705 [1]   BUSHING;PIN

25 809303 [2]   RING;WIPER

26 339712 [1]   VALVE;SLOW-RETURN

26-1. 242723 [1]   BODY;VALVE

26-2. 867903 [1]   VALVE;SLOWRETURN

26-3. 4153721 [1]   SPRING

26-4. 4094938 [2]   GUIDE;SPRING

26-5. 4094939 [1]   PLUG

26-6. 4123446 [1]   O-RING

26-7. 242725 [4]   BOLT;SOCKET

26-8. 4123444 [1]   O-RING

27 M341600 [4]   BOLT;SOCKET

28 834801 [1]   PIPE

29 4123444 [2]   O-RING

30 4104495 [4]   BOLT;SOCKET

31 340112 [1]   JOINT

32 340113 [4]   BOLT;SOCKET

33 349308 [1]   PLUG

34 336419 [1]   O-RING

35 411203 [2]   BAND

36 411204 [2]   BAND

37 379919 [4]   BOLT

38 A590914 [6]   WASHER;SPRING

39 379917 [2]   CLAMP;PIPE

40 379918 [2]   BOLT

41 643016 [3]   BLEEDER;AIR

80 4478064 [1]   CYL.(PIPELESS)

90 4289452 [2]   BAND ASS'Y

100 4475377 [1]   KIT;SEAL