9U-6995 FITTING GP-HYDRAULIC PART OF 430-4374 LINES GP-PUMP AN ATTACHMENT 289D SKID STEER LOADER



HYDRAULIC SYSTEM
FITTING GP
HYDRAULIC GP
LINES GP-AUXILIARY
LINES GP-COUPLER
LINES GP-BLADE
COOLER GP
LINES GP-CYLINDER
LINES GP-PUMP
LINES GP-CYLINDER


HYDRAULIC SYSTEM

FITTING GP
 

#M01007770150
 

9U-6995: FITTING GP-HYDRAULIC

9U-6995 FITTING GP-HYDRAULIC
PART OF 430-4374 LINES GP-PUMP
AN ATTACHMENT
i02445230 M0100777
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Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
1. 2S-4078 [1] SEAL-O-RING  
 

#M01007770151
 

468-0737: HYDRAULIC AR

468-0737 HYDRAULIC AR
PART OF 572-0930 DISTRIBUTION AR
AN ATTACHMENT
i06788244 M0100777
  For full view, you need register

Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
  345-6581 Y [1] CONTROL GP-ELECTROHYDRAULIC (RH, HIGH FLOW)  
  345-6583 Y [1] CONTROL GP-ELECTROHYDRAULIC (LH, HIGH FLOW)  
  Y [1] FILM GP  
  422-3472 Y [1] LINES GP-AUXILIARY HYDRAULIC  
  422-3473 Y [1] LINES GP-LIFT CYLINDER  
  430-4374 Y [1] LINES GP-PUMP  
  422-3471 Y [1] LINES GP-TILT CYLINDER  
  433-4172 Y [1] PUMP & MTG GP-WORK TOOL  
  456-1798 Y [1] VALVE & MTG GP-CONTROL (IMPLEMENT)  
  441-4815 Y [1] WIRING GP-CONTROL  
  436-1613 Y [1] WIRING GP-VALVE (IMPLEMENT)  
  421-4207 Y [1] WIRING GP-WORK TOOL  
  398-1929 J [1] CONFIGURATION-PREMIUM  
  7K-1181 [1] STRAP-CABLE  
  J   DLR INSTALL CONFIG: SEE IRM: EES03-01
  Y   SEPARATE ILLUSTRATION
 

#M01007770152
 

485-0497: HYDRAULIC AR

485-0497 HYDRAULIC AR
PART OF 572-0929 COMMON AR
i06806962 M0100777
  For full view, you need register

Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
  345-5953 Y [1] LINES GP-HYDRAULIC OIL COOLER  
  358-4975 Y [1] PUMP & MTG GP-HYDROSTATIC  
  397-9558 Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

#M01007770153
 

422-3472: LINES GP-AUXILIARY HYDRAULIC

422-3472 LINES GP-AUXILIARY HYDRAULIC
PART OF 468-0737 HYDRAULIC AR
AN ATTACHMENT
i05296321 M0100777
  For full view, you need register

Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
1. 249-5312 [2] ELBOW  
3. 388-7927 [1] PLATE  
4. 388-7960 [1] FITTING GP-HYDRAULIC (QUICK DISCONNECT)  
  373-6967 [1] COUPLER AS-QUICK (MALE)  
  373-6968 [1] COUPLER AS-QUICK (FEMALE)  
  6V-9746 [2] SEAL-O-RING  
  373-7037 [1] KIT-COUPLING  
    (INCLUDES O-RING, SPRING, VALVE GUIDE, NIPPLE & RING SEAL)
5. 395-2971 [1] BRACKET AS  
6. 419-5979 [1] COVER AS  
7. 422-3144 I [1] HOSE AS  
8. 422-3237 I [1] HOSE AS  
9. 433-2446 [1] ELBOW AS  
  4K-1388 [1] SEAL-O-RING  
  5K-9090 [1] SEAL-O-RING  
  433-2445 [1] ELBOW  
10. 506-4131 [1] BRACKET AS  
11. 471-0377 [4] CLAMP  
12. 471-0382 [4] COVER  
13. 512-9117 I [1] HOSE AS  
14. 512-9118 I [1] HOSE AS  
15. 148-8342 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8632 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
16. 148-8375 [1] ELBOW AS  
  6V-8398 [2] SEAL-O-RING  
  6V-8981 [1] ELBOW  
17. 150-4043 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-9873 [1] CONNECTOR  
18. 164-5615 [1] ELBOW AS  
  4K-1388 [1] SEAL-O-RING  
  5K-9090 [1] SEAL-O-RING  
  8T-8986 [1] ELBOW  
19. 169-7404 [1] ELBOW AS  
  6V-8982 [1] ELBOW  
  7J-9108 [2] SEAL-O-RING  
20. 178-3620 [1] STRAP-DUAL CLAMP  
21. 266-3316 M [2] BOLT-FLANGE HEAD (M10X1.5X25-MM)  
22. 2H-3755 [2] BOLT (5/16-18X0.43-IN)  
24. 342-9920 M [2] BOLT-FLANGE HEAD (M8X1.25X20-MM)  
25. 521-6104 [2] CLAMP  
27. 6V-9169 [1] NUT (13/16-16-THD)  
28. 6V-9170 [1] NUT-BULKHEAD (1-14-THD)  
29. 7X-7729 [2] WASHER (11X25X3-MM THK)  
30. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
31. 8T-4133 M [2] NUT (M10X1.5-THD)  
32. 8T-4196 M [2] BOLT (M10X1.5X35-MM)  
33. 8T-4224 [6] WASHER-HARD (8.8X16X2-MM THK)  
34. 8T-5005 M [2] BOLT (M10X1.5X70-MM)  
35. 8T-6870 M [4] BOLT (M8X1.25X70-MM)  
36. 9X-2043 M [2] SCREW-TRUSS HEAD (M6X1X14-MM)  
37. 423-1985 G HOSE (13-IN)  
38. 517-2478 [1] CAP-DUST  
39. 517-2479 [1] CAP-DUST  
40. 517-2480 [1] CAP-DUST  
  G   ORDER BY THE INCH
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M01007770154
 

515-7793: LINES GP-COUPLER

515-7793 LINES GP-COUPLER
PART OF 515-8591 COUPLER AR-QUICK
AN ATTACHMENT
i07050311 M0100777
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Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
1. 515-4591 Y [1] CYLINDER GP-COUPLER (HYDRAULIC)  
2. 7K-1181 [19] STRAP-CABLE  
3. 9X-2125 M [1] BOLT-LOCKING (M10X1.5X25-MM)  
4. 290-5562 [7] MOUNT (DUAL SWIVEL)  
5. 499-9329 Y [1] VALVE & MTG GP-COUPLER  
6. 515-5349 [1] BRACKET AS  
7. 515-8456 I [1] HOSE AS  
8. 515-8457 I [1] HOSE AS  
9. 535-0461 I [1] HOSE AS  
10. 516-8620 I [1] HOSE AS  
11. 516-8621 I [1] HOSE AS  
12. 535-0463 I [1] HOSE AS  
13. 517-2057 [1] BRACKET AS  
14. 517-2834 [1] PLATE  
15. 132-5789 [1] CLIP (LADDER)  
16. 148-8316 [1] CONNECTOR AS  
  3J-7354 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8647 [1] CONNECTOR  
17. 148-8351 [1] ELBOW AS  
  4J-5477 [1] SEAL-O-RING  
  6V-9849 [1] ELBOW  
18. 148-8368 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8627 [1] ELBOW  
19. 148-8369 C [1] ELBOW AS  
  3J-7354 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8628 [1] ELBOW  
20. 148-8444 [1] TEE AS-SWIVEL  
  6V-8398 [2] SEAL-O-RING  
  6V-9837 [1] TEE-SWIVEL  
21. 150-4052 [2] UNION AS  
    (EACH INCLUDES)
  4J-5477 [2] SEAL-O-RING  
  6V-8993 [1] UNION  
22. 178-3620 [3] STRAP-DUAL CLAMP  
23. 208-9291 M [1] BOLT (M10X1.5X20-MM)  
24. 266-3316 M [1] BOLT-FLANGE HEAD (M10X1.5X25-MM)  
25. 2P-1279 [2] LOCKNUT (9/16-18-THD)  
26. 342-9920 M [1] BOLT-FLANGE HEAD (M8X1.25X20-MM)  
27. 9M-4995 [2] CLIP  
28. 4J-5477 [2] SEAL-O-RING  
29. 5P-4116 [1] WASHER-HARD (8.8X20.5X2-MM THK)  
30. 6V-5220 M [2] BOLT (M8X1.25X65-MM)  
31. 7G-2950 [2] CLIP (SLOT)  
32. 7G-2951 [2] CLIP (TAB)  
33. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
34. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
35. 8T-4224 [5] WASHER-HARD (8.8X16X2-MM THK)  
36. 8T-4908 M [2] BOLT (M8X1.25X25-MM)  
37. 8T-3425 D CHANNEL-TRIM (0.15-M EACH)  
38. 148-8385 C [1] ELBOW AS  
  3J-7354 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-9000 [1] ELBOW  
  C   CHANGE FROM PREVIOUS TYPE
  D   ORDER BY THE METER
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M01007770155
 

345-5946: LINES GP-HYDRAULIC

345-5946 LINES GP-HYDRAULIC -CHARGE
PART OF 345-4937 MACHINE AR-SPECIAL
AN ATTACHMENT
i06895676 M0100777
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Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
1. 7K-1181 [3] STRAP-CABLE  
2. 345-5947 I [1] HOSE AS  
3. 345-5949 I [1] HOSE AS  
4. 479-0592 Y [1] FILTER GP-OIL (HYDRAULIC)  
5. 388-7909 [1] BRACKET  
6. 1P-4278 [1] CLAMP-HOSE  
7. 148-8315 [1] CONNECTOR AS  
  6V-8642 [1] CONNECTOR  
  2M-9780 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
8. 148-8347 [2] ELBOW AS  
    (EACH INCLUDES)
  6V-9007 [1] ELBOW  
  3D-2824 [1] SEAL-O-RING  
  6V-9746 [1] SEAL-O-RING  
9. 515-8379 C [1] TEE AS  
  2M-9780 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  515-8378 [1] TEE  
10. 095-1386 [1] CLAMP-HOSE  
11. 223-3490 [1] CLIP  
12. 266-3315 M [2] BOLT-FLANGE HEAD (M8X1.25X25.5-MM)  
13. 5P-8444 [1] GROMMET (37-MM ID)  
14. 6V-9830 [2] CAP (ORFS)(HYDRAULIC)  
15. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
16. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
17. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
18. 8T-4908 M [2] BOLT (M8X1.25X25-MM)  
19. 423-1982 G HOSE (11.5-IN)  
  C   CHANGE FROM PREVIOUS TYPE
  G   ORDER BY THE INCH
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M01007770156
 

345-5953: LINES GP-HYDRAULIC OIL COOLER

345-5953 LINES GP-HYDRAULIC OIL COOLER
PART OF 485-0497 HYDRAULIC AR
i05162979 M0100777
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Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
1. 345-4623 [1] TUBE AS  
2. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
3. 388-8011 I [1] HOSE AS  
4. 148-8347 [1] ELBOW AS  
  6V-9007 [1] ELBOW  
  3D-2824 [1] SEAL-O-RING  
  6V-9746 [1] SEAL-O-RING  
5. 153-6237 [1] ELBOW AS  
  6V-9004 [1] ELBOW  
  3D-2824 [1] SEAL-O-RING  
  6V-9746 [1] SEAL-O-RING  
6. 164-5574 [1] TEE AS  
  6V-8784 [1] TEE-FACE SEAL  
  3D-2824 [1] SEAL-O-RING  
  6V-9746 [2] SEAL-O-RING  
7. 396-0416 [1] TEE AS  
  296-5724 [1] TEE  
  6V-8398 [2] SEAL-O-RING  
8. 6D-4246 [1] CLIP (LOOP)  
9. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M01007770157
 

422-3473: LINES GP-LIFT CYLINDER

422-3473 LINES GP-LIFT CYLINDER
PART OF 468-0737 HYDRAULIC AR
AN ATTACHMENT
i05296322 M0100777
  For full view, you need register

Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
1. 7K-1181 [2] STRAP-CABLE  
2. 127-4003 [1] GROMMET  
3. 197-8940 [1] CONNECTOR AS  
  2M-9780 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  8T-1576 [1] CONNECTOR  
4. 241-2443 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  241-2451 [1] ELBOW  
5. 345-4696 I [4] HOSE AS  
6. 345-4787 [2] TUBE AS  
7. 345-5714 [2] BLOCK  
8. 509-9909 I [1] HOSE AS  
9. 509-9910 I [1] HOSE AS  
10. 433-1081 [1] TUBE AS  
11. 433-1082 [1] TUBE AS  
12. 435-8983 [1] CABLE AS  
  462-0754 [1] LEVER AS  
13. 437-2882 [1] VALVE GP-CONTROL (LIFT CYLINDER)  
  446-1414 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RING SEALS & BACKUP RINGS)
14. 457-1489 [1] BRACKET  
15. 5C-6477 [2] SCREW-FLAT HEAD (6-32X0.5-IN)  
16. 483-0653 I [1] HOSE AS  
17. 486-9113 [1] PLATE  
18. 148-8353 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9001 [1] ELBOW  
19. 148-8407 [1] PLUG AS  
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
20. 155-3614 [1] ADAPTER AS  
  2M-9780 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  117-7065 [1] ADAPTER  
21. 5P-1717 [2] CLAMP-HOSE  
22. 6V-8397 [1] SEAL-O-RING  
23. 6V-8398 [12] SEAL-O-RING  
24. 6V-9169 [4] NUT (13/16-16-THD)  
25. 7J-9108 [2] SEAL-O-RING  
26. 8T-4123 [8] WASHER (22X35X3.5-MM THK)  
27. 8T-4205 [2] WASHER-HARD (7.2X14.5X2-MM THK)  
28. 9X-2480 M [2] BOLT (M6X1X45-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M01007770158
 

430-4374: LINES GP-PUMP

430-4374 LINES GP-PUMP -IMPLEMENT
PART OF 468-0737 HYDRAULIC AR
AN ATTACHMENT
i07341093 M0100777
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Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
1. 7K-1181 [1] STRAP-CABLE  
2. 9U-6995 Y [1] FITTING GP-HYDRAULIC (CLEAN GAS INDUCTION)  
  2S-4078 [1] SEAL-O-RING  
  034-2151 [1] CONNECTOR  
3. 150-3024 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  5P-4924 [1] ELBOW  
4. 204-2281 [3] STRAP-CABLE  
5. 237-6094 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  237-6095 [1] CONNECTOR  
6. 238-1844 [1] ELBOW  
7. 264-4297 [1] SENSOR AS-TEMPERATURE (2-PIN)(WATER, COOLANT)  
  137-6645 [1] PAD-CONNECTOR  
8. 268-1517 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  149-8142 [1] CONNECTOR  
9. 323-3308 [4] CAP  
10. 329-5510 [1] CONNECTOR AS  
  8T-0198 [1] CONNECTOR  
  228-7093 [1] SEAL-O-RING  
  238-5084 [1] SEAL-O-RING  
11. 345-3753 [1] MOUNTING-CABLE TIE  
12. 345-6479 [1] HOSE AS  
13. 373-7039 [1] VALVE GP-CHECK (PUMP CASE DRAIN)  
  3D-2824 [1] SEAL-O-RING  
14. 421-0260 [1] TEE  
15. 422-3137 [1] BRACKET AS  
16. 422-3375 I [1] HOSE AS  
17. 422-9407 [1] ADAPTER AS  
  422-3149 [1] SEAL-O-RING  
18. 430-4423 [1] HOSE  
19. 1P-4278 C [4] CLAMP-HOSE  
20. 435-8878 [1] HOSE  
21. 448-8749 I [1] HOSE AS  
22. 477-5069 [1] TUBE AS  
23. 480-5507 I [1] HOSE AS  
24. 110-6349 [1] FITTING AS (QUICK DISCONNECT)  
  3J-7354 [1] SEAL-O-RING  
25. 142-0038 [1] ELBOW  
26. 148-8336 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
27. 148-8357 [1] ELBOW AS  
  5K-9090 [1] SEAL-O-RING  
  6V-9008 [1] ELBOW  
  7M-8485 [1] SEAL-O-RING  
28. 148-8361 [1] ELBOW AS (90-DEG)  
  3J-7354 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9200 [1] ELBOW  
29. 148-8371 [1] ELBOW AS  
  6V-8397 [1] SEAL-O-RING  
  8C-8988 [1] ELBOW  
30. 148-8378 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8724 [1] ELBOW  
31. 148-8411 [1] PLUG AS  
  3K-0360 [1] SEAL-O-RING  
  9S-4185 [1] PLUG (3/4-16-THD)  
32. 164-5567 [2] COUPLER AS-QUICK DISCONNECT (MALE)  
    (EACH INCLUDES)
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
33. 178-3620 [2] STRAP-DUAL CLAMP  
34. 204-8000 [1] MOUNTING-CABLE TIE  
35. 266-3314 M [1] BOLT-FLANGE HEAD (M6X1X20.5-MM)  
36. 343-6821 [2] CLAMP-BAND  
37. 347-4163 [2] CLAMP-BAND  
38. 521-6102 [2] CLAMP  
39. 521-6104 [2] CLAMP  
40. 521-6105 [2] CLAMP  
41. 3K-0360 [1] SEAL-O-RING  
42. 4B-9302 [1] CLIP (LOOP)  
43. 5K-9090 [1] SEAL-O-RING  
44. 6V-0852 [3] CAP-DUST  
45. 6V-8397 [1] SEAL-O-RING  
46. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
47. 8T-4136 M [3] BOLT (M10X1.5X25-MM)  
48. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
49. 8T-4956 M [4] BOLT (M12X1.75X35-MM)  
50. 423-1984 G HOSE (17.7-IN)  
51. 423-1982 G HOSE (19.7-IN)  
51A. 423-1982 G HOSE (3.6-IN)  
52. 423-1985 G HOSE (36.2-IN)  
53. 5P-4115 [1] WASHER-HARD (7.2X19X2-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  G   ORDER BY THE INCH
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M01007770159
 

422-3471: LINES GP-TILT CYLINDER

422-3471 LINES GP-TILT CYLINDER
PART OF 468-0737 HYDRAULIC AR
AN ATTACHMENT
i05296320 M0100777
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Parts for your 289D SKID STEER LOADER:

Pos. Part No Qty Parts name Comments
1. 148-8447 [1] TEE AS-SWIVEL  
  7J-9108 [1] SEAL-O-RING  
  7X-0872 [1] TEE-SWIVEL  
2. 258-3850 [2] CLAMP-HALF  
3. 345-4775 I [4] HOSE AS  
4. 345-4798 [1] BRACKET  
5. 377-9543 [2] TEE AS  
    (EACH INCLUDES)
  6V-8398 [2] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  148-6757 [1] TEE-UNION  
6. 471-0379 [4] CLAMP  
7. 471-0382 [4] COVER  
8. 506-4131 [1] BRACKET AS  
9. 512-9115 I [1] HOSE AS  
10. 512-9116 I [1] HOSE AS  
11. 138-4572 [1] COVER  
12. 148-8315 [1] CONNECTOR AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8642 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
13. 148-8390 [1] ELBOW AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8626 [1] ELBOW  
  7J-9108 [1] SEAL-O-RING  
14. 148-8393 [1] ELBOW AS  
  6V-9852 [1] ELBOW (SWIVEL)  
  7J-9108 [1] SEAL-O-RING  
15. 266-3316 M [2] BOLT-FLANGE HEAD (M10X1.5X25-MM)  
16. 303-8205 M [1] BOLT (M8X1.25X60-MM)  
17. 342-9920 M [2] BOLT-FLANGE HEAD (M8X1.25X20-MM)  
18. 6V-8398 [4] SEAL-O-RING  
19. 6V-9169 [2] NUT (13/16-16-THD)  
20. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
21. 8T-6870 M [4] BOLT (M8X1.25X70-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

Information:

Operation and Maintenance Manual
Quick Disconnect Couplings Operation
D-Series and D2-Series Compact Track Loaders (CTL), Multi-Terrain Loaders (MTL), and Skid Steer Loaders (SSL)

Caterpillar Parts SIS Catalog 289D :