HYDRAULIC SYSTEM
VALVE GP-CONTROLVALVE GP-CHECK
VALVE GP-CHECK & RELIEF
VALVE GP-CONTROL
VALVE GP-PILOT
HYDRAULIC SYSTEM
VALVE GP-CONTROL#M00880370700
347-5093: VALVE & MTG GP-MAIN CONTROL
347-5093 VALVE & MTG GP-MAIN CONTROL
S/N E8X1-UP
PART OF 347-4900, 347-4920 LIFT AR
S/N E8X1-UP
PART OF 347-4900, 347-4920 LIFT AR
Parts for your 988K XE WHEEL LOADER:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 6G-1444 | [1] | ADAPTER | |
2. | 9F-2167 | [2] | SCREW-PURGE (3/8-24X1.164-IN) | |
3. | 9J-4782 | [2] | PROTECTOR | |
4. | 9T-1013 | [1] | VALVE AS-CHECK | |
3K-0360 | [1] | SEAL-O-RING | ||
6V-8398 | [1] | SEAL-O-RING | ||
5. | 169-7403 | [2] | ADAPTER AS | |
(EACH INCLUDES) | ||||
3J-1907 | [1] | SEAL-O-RING | ||
6G-3432 | [1] | ADAPTER | ||
6. | 357-7160 | [1] | BRACKET AS | |
7. | 360-8200 Y | [1] | WIRING GP-VALVE | |
8. | 362-2165 Y | [1] | VALVE GP-CONTROL | |
9. | 373-7183 | [1] | PLATE AS | |
12. | 373-7786 | [1] | TUBE AS | |
13. | 103-1303 | [2] | CLAMP-HALF | |
14. | 148-8311 | [1] | ADAPTER AS | |
3K-0360 | [1] | SEAL-O-RING | ||
8T-1715 | [1] | ADAPTER | ||
15. | 148-8357 | [1] | ELBOW AS | |
5K-9090 | [1] | SEAL-O-RING | ||
6V-9008 | [1] | ELBOW | ||
7M-8485 | [1] | SEAL-O-RING | ||
16. | 148-8359 | [1] | ELBOW AS | |
3K-0360 | [1] | SEAL-O-RING | ||
6V-9746 | [1] | SEAL-O-RING | ||
6V-9877 | [1] | ELBOW | ||
17. | 148-8412 | [1] | REDUCER AS | |
6V-8398 | [1] | SEAL-O-RING | ||
6V-8944 | [1] | REDUCER | ||
18. | 148-8429 | [1] | TEE AS | |
5K-9090 | [2] | SEAL-O-RING | ||
6V-9840 | [1] | TEE-SWIVEL | ||
19. | 164-9869 | [1] | CONNECTOR AS | |
3J-1907 | [1] | SEAL-O-RING | ||
6V-8397 | [1] | SEAL-O-RING | ||
9X-2297 | [1] | CONNECTOR | ||
21. | 1P-3706 | [1] | SEAL-RECTANGULAR | |
22. | 1P-3707 | [1] | SEAL-RECTANGULAR | |
23. | 1P-4582 | [2] | FLANGE-HALF | |
24. | 241-6215 | [2] | ELBOW AS | |
(EACH INCLUDES) | ||||
3J-1907 | [1] | SEAL-O-RING | ||
6V-8076 | [1] | ELBOW | ||
25. | 3W-2647 | [2] | SPACER (13.5X30X10-MM THK) | |
27. | 5P-1076 | [4] | WASHER-HARD (13.5X30X4-MM THK) | |
28. | 5P-8077 | [2] | FLANGE-HALF | |
29. | 9X-6579 | [1] | NUT-ORIFICE (7/16-12-THD) | |
30. | 6V-9833 | [1] | CAP | |
31. | 7X-0515 | [8] | WASHER-HARD (17X35X5-MM THK) | |
32. | 7X-0550 | [8] | WASHER-HARD (13.5X32X5-MM THK) | |
33. | 7X-2553 M | [8] | BOLT (M16X2X40-MM) | |
34. | 8T-4122 | [8] | WASHER-HARD (17X32X3.5-MM THK) | |
35. | 8T-4140 M | [4] | BOLT (M16X2X60-MM) | |
36. | 8T-4173 M | [4] | BOLT (M16X2X110-MM) | |
37. | 8T-4176 M | [4] | BOLT (M12X1.75X90-MM) | |
38. | 8T-4910 M | [2] | BOLT (M12X1.75X60-MM) | |
39. | 8T-4223 | [4] | WASHER-HARD (13.5X25.5X3-MM THK) | |
40. | 8T-4244 M | [2] | NUT (M12X1.75-THD) | |
41. | 8T-4956 M | [8] | BOLT (M12X1.75X35-MM) | |
M | METRIC PART | |||
R | REMANUFACTURED PART MAY BE AVAILABLE | |||
Y | SEPARATE ILLUSTRATION |
#M00880370701
470-5033: VALVE & MTG GP-MAIN CONTROL
470-5033 VALVE & MTG GP-MAIN CONTROL
S/N E8X1-UP
PART OF 389-6630 HYDRAULIC AR
S/N E8X1-UP
PART OF 389-6630 HYDRAULIC AR
Parts for your 988K XE WHEEL LOADER:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 5I-4376 | [1] | FITTING | |
2. | 124-3019 | [2] | BRACKET AS | |
(EACH INCLUDES) | ||||
8T-3490 M | [1] | NUT-WELD (M10X1.5-THD) | ||
3. | 148-8310 | [1] | ADAPTER AS | |
3J-1907 | [1] | SEAL-O-RING | ||
8T-0151 | [1] | ADAPTER | ||
4. | 148-8347 | [1] | ELBOW AS | |
3D-2824 | [1] | SEAL-O-RING | ||
6V-9007 | [1] | ELBOW | ||
6V-9746 | [1] | SEAL-O-RING | ||
5. | 148-8365 | [1] | ELBOW AS | |
3J-1907 | [1] | SEAL-O-RING | ||
6V-8398 | [1] | SEAL-O-RING | ||
8T-6876 | [1] | ELBOW | ||
6. | 148-8444 | [2] | TEE AS-SWIVEL | |
(EACH INCLUDES) | ||||
6V-8398 | [2] | SEAL-O-RING | ||
6V-9837 | [1] | TEE-SWIVEL | ||
7. | 162-8264 | [1] | TEE AS | |
6V-8398 | [1] | SEAL-O-RING | ||
081-5645 | [1] | TEE | ||
8. | 148-8313 | [1] | ADAPTER AS | |
3K-0360 | [1] | SEAL-O-RING | ||
5P-6944 | [1] | ADAPTER | ||
9. | 295-6259 Y | [1] | FILTER GP-OIL | |
10. | 346-3739 | [1] | BRACKET | |
11. | [1] | BRACKET AS | ||
12. | 483-0472 Y | [1] | WIRING GP-HYDRAULIC TANK | |
13. | 483-2614 | [1] | BRACKET | |
14. | 520-1857 Y | [1] | VALVE GP-ACCUMULATOR CHARGING | |
15. | 511-7971 I | [1] | HOSE AS | |
16. | 511-7972 I | [1] | HOSE AS | |
17. | 511-7973 I | [1] | HOSE AS | |
18. | [1] | BRACKET AS | ||
19. | 512-0685 | [1] | TUBE AS | |
20. | 512-0686 | [1] | TUBE AS | |
21. | 130-5300 | [1] | CLIP | |
22. | 133-6934 | [1] | SPACER (11X20X25-MM THK) | |
23. | 136-6417 | [2] | CLAMP | |
24. | 148-8311 | [2] | ADAPTER AS | |
(EACH INCLUDES) | ||||
3K-0360 | [1] | SEAL-O-RING | ||
8T-1715 | [1] | ADAPTER | ||
25. | 148-8336 | [1] | CONNECTOR AS | |
3J-1907 | [1] | SEAL-O-RING | ||
6V-8397 | [1] | SEAL-O-RING | ||
6V-8636 | [1] | CONNECTOR | ||
26. | 148-8340 | [1] | CONNECTOR AS | |
3K-0360 | [1] | SEAL-O-RING | ||
6V-8398 | [1] | SEAL-O-RING | ||
6V-8639 | [1] | CONNECTOR | ||
27. | 148-8364 | [3] | ELBOW AS | |
(EACH INCLUDES) | ||||
3K-0360 | [1] | SEAL-O-RING | ||
6V-8398 | [1] | SEAL-O-RING | ||
6V-8625 | [1] | ELBOW | ||
28. | 148-8380 | [2] | ELBOW AS | |
(EACH INCLUDES) | ||||
6V-8398 | [2] | SEAL-O-RING | ||
6V-8988 | [1] | ELBOW | ||
29. | 148-8457 | [2] | UNION AS (STRAIGHT) | |
(EACH INCLUDES) | ||||
6V-8398 | [2] | SEAL-O-RING | ||
6V-8995 | [1] | UNION (STRAIGHT) | ||
30. | 150-4043 | [1] | CONNECTOR AS | |
3J-1907 | [1] | SEAL-O-RING | ||
6V-8398 | [1] | SEAL-O-RING | ||
6V-9873 | [1] | CONNECTOR | ||
31. | 164-5546 | [1] | TEE AS | |
3E-7410 | [1] | TEE | ||
3J-1907 | [1] | SEAL-O-RING | ||
32. | 164-5567 | [5] | COUPLER AS-QUICK DISCONNECT (MALE) | |
(EACH INCLUDES) | ||||
6V-3965 | [1] | FITTING (QUICK DISCONNECT) | ||
214-7568 | [1] | SEAL-O-RING | ||
33. | 171-6725 | [1] | ELBOW AS | |
3D-2824 | [1] | SEAL-O-RING | ||
8T-6451 | [1] | ELBOW | ||
34. | 180-9286 | [1] | TEE AS | |
3D-2824 | [1] | SEAL-O-RING | ||
3E-2345 | [1] | ADAPTER-TEE | ||
6V-9746 | [1] | SEAL-O-RING | ||
35. | 1V-7753 | [1] | SPACER (0.546X0.841X1.75-IN THK) | |
36. | 204-8000 | [3] | MOUNTING-CABLE TIE | |
37. | 2P-9015 | [1] | SPACER (14.3X21.7X69.9-MM THK) | |
38. | 3E-9411 | [4] | WASHER-HARD (17.5X38X6-MM THK) | |
39. | 6V-0852 | [5] | CAP-DUST | |
40. | 6V-9169 | [4] | NUT (13/16-16-THD) | |
41. | 7X-2549 M | [1] | BOLT (M12X1.75X100-MM) | |
42. | 7X-2553 M | [4] | BOLT (M16X2X40-MM) | |
43. | 7X-7729 | [2] | WASHER (11X25X3-MM THK) | |
44. | 8T-4121 | [13] | WASHER-HARD (11X21X2.5-MM THK) | |
45. | 8T-4123 | [4] | WASHER (22X35X3.5-MM THK) | |
46. | 8T-4136 M | [10] | BOLT (M10X1.5X25-MM) | |
47. | 8T-4139 M | [2] | BOLT (M12X1.75X30-MM) | |
48. | 8T-4192 M | [6] | BOLT (M12X1.75X25-MM) | |
49. | 8T-4195 M | [2] | BOLT (M10X1.5X30-MM) | |
50. | 8T-4198 M | [2] | BOLT (M10X1.5X100-MM) | |
51. | 8T-4223 | [10] | WASHER-HARD (13.5X25.5X3-MM THK) | |
52. | 8T-4956 M | [5] | BOLT (M12X1.75X35-MM) | |
53. | 8T-6466 M | [1] | BOLT (M10X1.5X60-MM) | |
54. | 8T-6868 M | [1] | BOLT (M12X1.75X80-MM) | |
55. | 8T-7971 | [5] | WASHER-HARD (13.5X25.5X5-MM THK) | |
56. | 148-8436 | [1] | TEE AS | |
3K-0360 | [1] | SEAL-O-RING | ||
6V-8398 | [2] | SEAL-O-RING | ||
6V-8775 | [1] | TEE-FACE SEAL | ||
57. | 250-1448 | [1] | CONNECTOR | |
58. | 541-7850 I | [1] | HOSE AS | |
I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
M | METRIC PART | |||
Y | SEPARATE ILLUSTRATION |
#M00880370702
149-4617: VALVE GP-CHECK
Parts for your 988K XE WHEEL LOADER:
CATERPILLAR SIS#M00880370703
176-9369: VALVE GP-CHECK
Parts for your 988K XE WHEEL LOADER:
CATERPILLAR SIS#M00880370704
176-9370: VALVE GP-CHECK
Parts for your 988K XE WHEEL LOADER:
CATERPILLAR SIS#M00880370705
4T-5896: VALVE GP-CHECK
#M00880370706
370-6923: VALVE GP-CHECK & RELIEF
370-6923 VALVE GP-CHECK & RELIEF
S/N E8X1-UP
PART OF 361-2415 VALVE GP-STEERING
S/N E8X1-UP
PART OF 361-2415 VALVE GP-STEERING
Parts for your 988K XE WHEEL LOADER:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 3J-3679 | [1] | PLUG AS | |
1J-9671 | [1] | SEAL-O-RING | ||
9S-8003 | [1] | PLUG (1/2-20-THD) | ||
2. | 4T-0933 | [1] | RING-RETAINING | |
3. | 4T-0946 | [1] | VALVE GP | |
4. | 6E-4431 | [1] | BODY AS | |
5. | 8J-0331 | [1] | VALVE | |
6. | 9T-6783 | [2] | WASHER (3.5X12.5X1.6-MM THK) | |
7. | 9T-7202 | [1] | RETAINER AS | |
8. | 9X-6395 | [1] | NUT (3/4-16-THD) | |
9. | 2M-9780 | [1] | SEAL-O-RING | |
10. | 3K-0360 | [1] | SEAL-O-RING | |
11. | 4K-1388 | [1] | SEAL-O-RING | |
12. | 4T-0932 | [1] | BUSHING | |
13. | 4T-0935 | [1] | SPRING | |
14. | 4T-5073 | [1] | RING-BACKUP | |
15. | 6E-3518 | [1] | SPRING | |
16. | 7J-9933 | [1] | SEAL-O-RING |
#M00880370707
362-2165: VALVE GP-CONTROL
Parts for your 988K XE WHEEL LOADER:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 7X-2546 M | [4] | BOLT (M10X1.5X180-MM) | |
2. | 7X-2549 M | [2] | BOLT (M12X1.75X100-MM) | |
3. | 8T-4140 M | [8] | BOLT (M16X2X60-MM) | |
4. | 8T-5436 M | [4] | BOLT (M10X1.5X130-MM) | |
5. | 1H-5728 | [2] | SEAL-O-RING | |
6. | 1P-3705 | [1] | SEAL-RECTANGULAR | |
7. | 2J-6274 | [4] | SEAL-O-RING | |
8. | 2S-4078 | [2] | SEAL-O-RING | |
9. | 4B-4158 | [4] | SCREW-DRIVE (NO 4X0.25-IN) | |
10. | 4J-0523 | [2] | SEAL-O-RING | |
11. | 4T-1860 Y | [1] | VALVE GP-SHUTTLE (BALL RESOLVER) | |
12. | 4T-5896 Y | [1] | VALVE GP-CHECK | |
13. | 5P-8077 | [4] | FLANGE-HALF | |
14. | 6E-1291 | [1] | VALVE-CONTROL | |
15. | 6V-0852 | [1] | CAP-DUST | |
16. | 6V-3668 M | [2] | BOLT (M12X1.75X30-MM) | |
17. | 7J-1592 | [1] | COVER | |
18. | 7J-7852 | [1] | SPRING | |
19. | 8L-6565 | [4] | PIN-SPRING | |
20. | 8T-4121 | [8] | WASHER-HARD (11X21X2.5-MM THK) | |
21. | 8T-4122 | [8] | WASHER-HARD (17X32X3.5-MM THK) | |
22. | 9L-9188 | [2] | SPRING-VALVE | |
23. | 095-9804 M | [4] | BOLT-SOCKET HEAD (M12X1.75X110-MM) | |
24. | 102-4156 | [2] | VALVE-CONTROL | |
25. | 102-4158 | [2] | PLUG AS | |
(EACH INCLUDES) | ||||
25A. | 3G-5003 | [1] | BUSHING | |
102-4157 | [1] | PLUG | ||
26. | 110-6349 C | [1] | FITTING AS (QUICK DISCONNECT) | |
3J-7354 | [1] | SEAL-O-RING | ||
27. | 112-8244 | [1] | HOUSING | |
28. | 113-8263 | [2] | PISTON | |
29. | 143-8912 Y | [1] | VALVE GP-RELIEF (PILOT OPERATED) | |
30. | 147-1223 Y | [1] | VALVE GP-SOLENOID (24-VOLT)(ON, OFF, FLOAT) | |
31. | 148-8406 C | [3] | PLUG AS | |
(EACH INCLUDES) | ||||
7M-8485 | [1] | SEAL-O-RING | ||
9S-9334 | [1] | PLUG (1-5/16-12-THD) | ||
32. | 162-0177 C | [5] | PLUG AS | |
(EACH INCLUDES) | ||||
3J-1907 | [1] | SEAL-O-RING | ||
9S-8004 | [1] | PLUG (9/16-18-THD) | ||
33. | 183-7263 C | [2] | PLUG AS | |
(EACH INCLUDES) | ||||
3J-7354 | [1] | SEAL-O-RING | ||
9S-8002 | [1] | PLUG (7/16-20-THD) | ||
34. | 203-8482 | [1] | MANIFOLD | |
35. | 204-8000 | [4] | MOUNTING-CABLE TIE | |
36. | 207-8218 C | [4] | PLUG AS | |
(EACH INCLUDES) | ||||
7J-0204 | [1] | SEAL-O-RING | ||
9S-8007 | [1] | PLUG | ||
37. | 217-6719 Y | [2] | ACTUATOR GP-PILOT CONTROL (ROD END) | |
38. | 217-6720 Y | [2] | ACTUATOR GP-PILOT CONTROL (HEAD END) | |
39. | 225-4820 | [2] | PLUG AS | |
(EACH INCLUDES) | ||||
3J-7354 | [1] | SEAL-O-RING | ||
225-4821 | [1] | PLUG | ||
41. | 366-4694 C | [2] | PLUG AS | |
(EACH INCLUDES) | ||||
7J-0204 | [1] | SEAL-O-RING | ||
360-3676 | [1] | PLUG | ||
42. | 366-4695 C | [7] | PLUG AS | |
(EACH INCLUDES) | ||||
3J-1907 | [1] | SEAL-O-RING | ||
360-3679 | [1] | PLUG-CONNECTOR (9/16-18-THD) | ||
43. | 366-4699 | [3] | PLUG AS | |
(EACH INCLUDES) | ||||
3J-1907 | [1] | SEAL-O-RING | ||
360-3692 | [1] | PLUG | ||
44. | 367-6001 | [1] | PLUG AS | |
4J-7533 | [1] | SEAL-O-RING | ||
360-3675 | [1] | PLUG (5/16-24-THD) | ||
45. | 367-6002 C | [13] | PLUG AS | |
(EACH INCLUDES) | ||||
3J-7354 | [1] | SEAL-O-RING | ||
360-3677 | [1] | PLUG (7/16-20-THD) | ||
46. | 370-0438 Y | [1] | VALVE GP-PRESSURE REDUCING | |
48. | 396-1209 | [1] | VALVE GP-SOLENOID (24-VOLT)(MANIFOLD) | |
367-8532 | [1] | COIL AS (24-VOLT) | ||
396-2304 | [1] | KIT-SEAL | ||
422-8922 | [1] | NUT-SPECIAL | ||
49. | 423-7706 Y | [1] | VALVE GP-RELIEF (TILT CYLINDER ROD END) | |
50. | 423-7707 Y | [2] | VALVE GP-RELIEF (TILT CYLINDER HEAD END) | |
51. | 423-7708 Y | [1] | VALVE GP-RELIEF (LIFT CYLINDER ROD END) | |
52. | 9R-5008 | [4] | SPACER (11X20X6-MM THK) | |
C | CHANGE FROM PREVIOUS TYPE | |||
M | METRIC PART | |||
Y | SEPARATE ILLUSTRATION |
#M00880370708
370-6919: VALVE GP-CONTROL
Parts for your 988K XE WHEEL LOADER:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 2S-2596 | [1] | SPRING | |
3. | 4B-4278 B | [5] | WASHER (10.2X20.5X1.6-MM THK) | |
4. | 4T-1108 | [1] | PLUG | |
5. | 4T-1649 | [1] | HOUSING | |
6. | 4T-5074 | [1] | RING-BACKUP | |
7. | 9J-8126 | [1] | PLUG-ORIFICE | |
8. | 100-8010 | [1] | VALVE-CHECK | |
9. | 100-8011 | [1] | PLUG | |
10. | 207-7434 | [1] | RETAINER | |
11. | 313-7668 Y | [1] | VALVE GP-SOLENOID (24-VOLT) | |
14. | 352-9954 | [1] | SPRING | |
15. | 352-9956 | [1] | RETAINER | |
16. | 361-2422 | [1] | SLEEVE | |
17. | 366-4699 | [1] | PLUG AS | |
3J-1907 | [1] | SEAL-O-RING | ||
360-3692 | [1] | PLUG | ||
18. | 367-6001 | [1] | PLUG AS | |
4J-7533 | [1] | SEAL-O-RING | ||
360-3675 | [1] | PLUG (5/16-24-THD) | ||
19. | 367-6002 | [2] | PLUG AS | |
(EACH INCLUDES) | ||||
3J-7354 | [1] | SEAL-O-RING | ||
360-3677 | [1] | PLUG (7/16-20-THD) | ||
20. | 369-6878 | [1] | PLUG AS | |
4K-1388 | [1] | SEAL-O-RING | ||
360-3696 | [1] | PLUG-O-RING | ||
21. | 370-6916 | [1] | HOUSING AS | |
25. | 436-3449 | [1] | HOUSING | |
26. | 370-6936 | [1] | SPRING | |
27. | 173-3993 | [1] | PLUG AS | |
4J-7533 | [1] | SEAL-O-RING | ||
9S-8001 | [1] | PLUG | ||
28. | 187-9630 | [2] | SEAL-O-RING | |
29. | 1H-1023 | [2] | SEAL-O-RING | |
30. | 222-4737 | [1] | PLUG AS | |
4J-7533 | [1] | SEAL-O-RING | ||
9S-4180 | [1] | PLUG | ||
31. | 4J-5351 | [1] | SEAL-O-RING | |
32. | 4K-1388 | [1] | SEAL-O-RING | |
33. | 4T-5072 | [1] | RING-BACKUP | |
34. | 4T-5073 | [1] | RING-BACKUP | |
35. | 5M-2057 | [1] | SEAL-O-RING | |
36. | 6V-5556 | [1] | SEAL-O-RING | |
37. | 7J-9933 | [1] | SEAL-O-RING | |
38. | 7M-8485 | [1] | SEAL-O-RING | |
39. | 7X-7888 M | [2] | BOLT (M6X1X90-MM) | |
40. | 8T-4185 M | [2] | BOLT (M10X1.5X50-MM) | |
41. | 8T-5066 M | [2] | BOLT (M6X1X60-MM) | |
PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
B | USE AS REQUIRED | |||
M | METRIC PART | |||
Y | SEPARATE ILLUSTRATION |
#M00880370709
249-5615: VALVE GP-PILOT
249-5615 VALVE GP-PILOT -STIC STEERING
S/N E8X1-UP
PART OF 376-7657 CONTROL GP-STEERING
S/N E8X1-UP
PART OF 376-7657 CONTROL GP-STEERING
Parts for your 988K XE WHEEL LOADER:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
(NO SERVICED PARTS) |
Information:
HYDRAULIC SYSTEM
VALVE GP-CONTROL
Operation and Maintenance Manual
Specifications
Systems Operation
Testing and Adjusting
Pressure Reducing Valve Pressure for Dead Engine Pilot Supply (Engine OFF) - Test and Adjust
988K XE Wheel Loader
988K XE Wheel Loader
Disassembly and Assembly