HYDRAULIC SYSTEM
VALVE GPPUMP GP
HYDRAULIC SYSTEM
VALVE GP#SEBP10710450
3G-1020: VALVE & LINES GP
3G1020 DUMP AND LIFT VALVES AND LINES GROUP--PART 1 OF 2
Serial No. 38W4510 To 38W5918 inclusive
3G1605-Page 133A
Serial No. 38W4510 To 38W5918 inclusive
3G1605-Page 133A
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 7J-6571 | [4] | HOSE ASSEM. 77.47 cm(30.50 in.) | |
2. | 3G-1609 | [1] | CLAMP | |
3. | 3B-4506 | [4] | LOCKWASHER | |
4. | 0S-1594 | [14] | BOLT | |
5. | 7J-6557 | [1] | TUBE ASSEM. | |
6. | 3G-1606 | [1] | TUBE ASSEM. | |
7. | 3G-1607 | [1] | TUBE ASSEM. | |
8. | 030-5977 C | [4] | HOSE ASSEM. | |
(Each Includes) | ||||
5P-0737 CH | HOSE 59 cm(23 in.) | |||
9. | 001-6289 | [2] | END (hose) | |
10. | 6K-8420 | [4] | NUT | |
11. | 4B-4285 | [4] | WASHER | |
12. | 1P-4577 | [2] | FLANGE | |
13. | 4J-0520 | [1] | SEAL | |
14. | 3G-1618 | [1] | TUBE ASSEM. | |
15. | 0S-1588 | [4] | BOLT | |
16. | 3G-1615 | [1] | TUBE ASSEM. | |
17. | 3G-1616 | [1] | TUBE ASSEM. | |
18. | 6L-3970 | [2] | PIN | |
19. | 5B-9079 | [2] | NUT | |
20. | 1A-9252 | [2] | END | |
21. | 3B-4617 | [2] | COTTER PIN | |
22. | 3K-6060 C | [3] | LOCKNUT | |
23. | 5M-2894 C | [17] | WASHER | |
24. | 8S-9191 | [3] | BOLT | |
25. | 3G-1612 | [1] | ANGLE | |
26. | 3G-1605 Y | [1] | VALVE ASSEM. | |
(Separate Illustration) | ||||
27. | 2R-6276 | [5] | CONNECTOR | |
28. | 3D-2824 | [5] | SEAL | |
29. | 3G-1613 | [1] | TUBE ASSEM. | |
(Includes) | ||||
30. | 9S-4183 | [1] | PLUG | |
3D-2824 | [1] | SEAL | ||
31. | 3G-1614 | [1] | TUBE ASSEM. | |
32. | 3J-7354 | [1] | SEAL | |
33. | 3J-7352 | [1] | CONNECTOR | |
34. | 3P-6048 | [1] | HOSE ASSEM. 96.50 cm(38 in.) | |
35. | 5P-6416 | [1] | ELBOW | |
36. | 4K-1388 | [1] | SEAL | |
37. | 3G-1617 | [1] | TUBE ASSEM. | |
38. | 5B-3254 | [1] | NUT | |
39. | 7K-6462 | [1] | UNION | |
40. | 7J-6560 | [1] | TUBE ASSEM. | |
41. | 3G-1608 | [1] | CLAMP | |
42. | 4B-4279 | [2] | WASHER | |
H | ORDER BY THE CENTIMETER | |||
Y | SEPARATE ILLUSTRATION | |||
C | INDICATES CHANGE |
#SEBP10710451
3G-1020: VALVE & LINES GP
3G1020 DUMP AND LIFT VALVES AND LINES GROUP--PART 2 OF 2
Serial No. 38W4510 To 38W5918 Inclusive
9J5061-Page 132
Serial No. 38W4510 To 38W5918 Inclusive
9J5061-Page 132
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 7J-6129 | [1] | HOSE ASSEM. 62.86 cm(24.75 in.) | |
2. | 0S-1588 | [8] | BOLT | |
3. | 3B-4506 | [8] | LOCKWASHER | |
4. | 1P-4576 | [4] | FLANGE | |
5. | 4J-5267 | [2] | SEAL | |
6. | 9J-5061 Y | [1] | PUMP GROUP | |
(Separate Illustration) | ||||
7. | 6H-1717 | [2] | BOLT | |
8. | 5P-8245 C | [10] | WASHER | |
9. | 0S-1566 | [2] | BOLT | |
10. | 5P-8247 C | [2] | WASHER | |
11. | 7J-6564 | [1] | PLATE | |
12. | 7L-2211 | [1] | SEAL | |
13. | 5P-6302 | [1] | SEAL | |
14. | 4J-0527 | [1] | SEAL | |
15. | 5P-5059 | [1] | FLANGE | |
16. | 0S-1587 | [4] | BOLT | |
17. | 032-3180 | [4] | BOLT | |
18. | 3G-2539 | [1] | TUBE ASSEM. | |
19. | 4D-2081 | [1] | HOSE | |
20. | 2J-6540 | [4] | CLAMP | |
21. | 6J-2680 | [1] | SEAL | |
22. | 5P-5061 | [1] | FLANGE | |
23. | 3G-2540 | [1] | TUBE ASSEM. | |
C | INDICATES CHANGE | |||
Y | SEPARATE ILLUSTRATION |
#SEBP10710452
3G-1020: VALVE & LINES GP
3G1020 DUMP AND LIFT VALVE AND LINES GROUP--PART 1 OF 2
Serial No. 38W5919 To 38W6528 Inclusive
1U0289-Page 133D
Serial No. 38W5919 To 38W6528 Inclusive
1U0289-Page 133D
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 7J-6571 | [4] | HOSE ASSEM. 77.47 cm(30.50 in.) | |
2. | 3G-1609 | [1] | CLAMP | |
3. | 3B-4506 | [4] | LOCKWASHER | |
4. | 0S-1594 | [14] | BOLT | |
5. | 7J-6557 | [1] | TUBE ASSEM. | |
6. | 3G-1606 | [1] | TUBE ASSEM. | |
7. | 3G-1607 | [1] | TUBE ASSEM. | |
8. | 030-5977 | [4] | HOSE ASSEM. | |
(Each Includes) | ||||
5P-0737 H | HOSE 59 cm(23 in.) | |||
9. | 001-6289 | [2] | END (hose) | |
10. | 6K-8420 | [4] | NUT | |
11. | 4B-4285 | [4] | WASHER | |
12. | 1P-4577 | [2] | FLANGE | |
13. | 4J-0520 | [1] | SEAL | |
14. | 3G-1618 | [1] | TUBE ASSEM. | |
15. | 0S-1588 | [4] | BOLT | |
16. | 3G-1615 | [1] | TUBE ASSEM. | |
17. | 3G-1616 | [1] | TUBE ASSEM. | |
18. | 6L-3970 | [2] | PIN | |
19. | 5B-9079 | [2] | NUT | |
20. | 1A-9252 | [2] | END | |
21. | 3B-4617 | [2] | COTTER PIN | |
22. | 3K-6060 | [3] | LOCKNUT | |
23. | 5M-2894 | [17] | WASHER | |
24. | 8S-9191 | [3] | BOLT | |
25. | 3G-1612 | [1] | ANGLE | |
26. | 1U-0289 YC | [1] | VALVE ASSEM. | |
(Separate Illustration) | ||||
27. | 2R-6276 | [5] | CONNECTOR | |
28. | 3D-2824 | [5] | SEAL | |
29. | 3G-1613 | [1] | TUBE ASSEM. | |
(Includes) | ||||
30. | 9S-4183 | [1] | PLUG | |
3D-2824 | [1] | SEAL | ||
31. | 3G-1614 | [1] | TUBE ASSEM. | |
32. | 3J-7354 | [1] | SEAL | |
33. | 3J-7352 | [1] | CONNECTOR | |
34. | 3P-6048 | [1] | HOSE ASSEM. 96.50 cm(38 in.) | |
35. | 5P-6416 | [1] | ELBOW | |
36. | 4K-1388 | [1] | SEAL | |
37. | 3G-1617 | [1] | TUBE ASSEM. | |
38. | 5B-3254 | [1] | NUT | |
39. | 7K-6462 | [1] | UNION | |
40. | 7J-6560 | [1] | TUBE ASSEM. | |
41. | 3G-1608 | [1] | CLAMP | |
42. | 4B-4279 | [2] | WASHER | |
C | INDICATES CHANGE | |||
Y | SEPARATE ILLUSTRATION | |||
H | ORDER BY THE CENTIMETER |
#SEBP10710453
3G-1020: VALVE & LINES GP
3G1020 DUMP AND LIFT VALVE AND LINES GROUP--PART 2 OF 2
Serial No. 38W5919 To 38W6528 Inclusive
9J5061--Page 132
Serial No. 38W5919 To 38W6528 Inclusive
9J5061--Page 132
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 7J-6129 | [1] | HOSE ASSEM. 62.86 cm(24.75 in.) | |
2. | 0S-1588 | [8] | BOLT | |
3. | 3B-4506 | [8] | LOCKWASHER | |
4. | 1P-4576 | [4] | FLANGE | |
5. | 4J-5267 | [2] | SEAL | |
6. | 9J-5061 Y | [1] | PUMP GROUP | |
(Separate Illustration) | ||||
7. | 6H-1717 | [2] | BOLT | |
8. | 5P-8245 | [10] | WASHER | |
9. | 0S-1566 | [2] | BOLT | |
10. | 5P-8247 | [2] | WASHER | |
11. | 7J-6564 | [1] | PLATE | |
12. | 7L-2211 | [1] | SEAL | |
13. | 5P-6302 | [1] | SEAL | |
14. | 4J-0527 | [1] | SEAL | |
15. | 5P-5059 | [1] | FLANGE | |
16. | 0S-1587 | [4] | BOLT | |
17. | 032-3180 | [4] | BOLT | |
18. | 3G-2539 | [1] | TUBE ASSEM. | |
19. | 4D-2081 | [1] | HOSE | |
20. | 2J-6540 | [4] | CLAMP | |
21. | 6J-2680 | [1] | SEAL | |
22. | 5P-5061 | [1] | FLANGE | |
23. | 3G-2540 | [1] | TUBE ASSEM. | |
Y | SEPARATE ILLUSTRATION |
#SEBP10710454
3G-1020: VALVE & LINES GP
3G1020 DUMP AND LIFT VALVE AND LINES GROUP--PART 1 OF 2
Serial No. 38W6529-Up
1U0289--Page 133D
Serial No. 38W6529-Up
1U0289--Page 133D
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 7J-6571 | [4] | HOSE AS 77.47CM(30.5IN.) | |
2. | 3G-1609 | [1] | CLAMP | |
3. | 3B-4506 | [4] | LOCKWASHER | |
4. | 0S-1594 | [14] | BOLT | |
5. | 7J-6557 | [1] | TUBE AS | |
6. | 3G-1606 | [1] | TUBE AS | |
7. | 3G-1607 | [1] | TUBE AS | |
8. | 030-5977 | [4] | HOSE AS-HYDRAULIC | |
(EACH INCLUDES) | ||||
5P-0737 | HOSE (23IN.) | |||
9. | 001-6289 | [2] | FITTING AS-HYDRAULIC (HOSE) | |
10. | 6K-8420 | [4] | LOCKNUT | |
11. | 4B-4285 E | [4] | WASHER | |
12. | 1P-4577 | [2] | FLANGE-HALF | |
13. | 4J-0520 | [1] | SEAL | |
14. | 3G-1618 | [1] | TUBE AS | |
15. | 0S-1588 | [4] | BOLT | |
16. | 3G-1615 | [1] | TUBE AS | |
17. | 3G-1616 | [1] | TUBE AS | |
18. | 6L-3970 | [2] | PIN | |
19. | 5B-9079 | [2] | NUT-JAM | |
20. | 1A-9252 | [2] | END-ADJUSTABLE ROD | |
21. | 3B-4617 | [2] | COTTER | |
22. | 3K-6060 | [3] | LOCKNUT | |
23. | 5M-2894 | [17] | WASHER | |
24. | 8S-9191 | [3] | BOLT | |
25. | 3G-1612 | [1] | ANGLE | |
26. | 1U-0289 | [1] | VALVE AS-CONTROL | |
27. | 2R-6276 | [5] | CONNECTOR | |
28. | 3D-2824 | [5] | SEAL-O-RING | |
29. | 3G-1613 Y | [1] | TUBE AS | |
30. | 9S-4183 | [1] | PLUG | |
3D-2824 | [1] | SEAL-O-RING | ||
31. | 3G-1614 | [1] | TUBE AS | |
32. | 3J-7354 | [1] | SEAL-O-RING | |
33. | 3J-7352 | [1] | CONNECTOR | |
34. | 3P-6048 | [1] | HOSE AS 96.50CM(38IN.) | |
35. | 5P-6416 | [1] | ELBOW-90 DEGREE | |
36. | 4K-1388 | [1] | SEAL-O-RING | |
37. | 3G-1617 | [1] | TUBE AS | |
38. | 5B-3254 | [1] | NUT | |
39. | 7K-6462 | [1] | ELBOW | |
40. | 7J-6560 | [1] | TUBE AS | |
41. | 3G-1608 | [1] | CLAMP | |
42. | 4B-4279 | [2] | WASHER | |
E | ORDER BY THE CENTIMETER | |||
Y | SEPARATE ILLUSTRATION |
#SEBP10710455
3G-1020: VALVE & LINES GP
3G1020 DUMP AND LIFT VALVE AND LINES GROUP--PART 2 OF 2
Serial No. 38W6529-Up
9J5061--Page 132
Serial No. 38W6529-Up
9J5061--Page 132
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 7J-6129 | [1] | HOSE AS 62.86CM(24.75IN) | |
2. | 0S-1588 | [8] | BOLT | |
3. | 3B-4506 | [8] | LOCKWASHER | |
4. | 1P-4576 | [4] | FLANGE | |
5. | 4J-5267 | [2] | SEAL | |
6. | 9J-5061 | [1] | PUMP GP-VANE | |
7. | 6H-1717 | [2] | BOLT | |
8. | 5P-8245 | [10] | WASHER | |
9. | 0S-1566 Y | [2] | BOLT | |
10. | 5P-8247 | [2] | WASHER-HARD | |
11. | 7J-6564 | [1] | PLATE-ADAPTER | |
12. | 7L-2211 | [1] | SEAL-O-RING | |
13. | 5P-6302 | [1] | SEAL-O-RING | |
14. | 4J-0527 | [1] | SEAL-O-RING | |
15. | 5P-5059 | [1] | FLANGE-CAPTIVE | |
16. | 0S-1587 | [4] | BOLT | |
17. | 032-3180 | [4] | BOLT | |
18. | 3G-2539 | [1] | TUBE AS | |
19. | 4D-2081 | [1] | HOSE | |
20. | 2J-6540 | [4] | CLAMP | |
21. | 6J-2680 | [1] | SEAL-O-RING | |
22. | 5P-5061 | [1] | FLANGE-CAPTIVE | |
23. | 3G-2540 | [1] | TUBE AS | |
24. | 5M-2894 | [1] | WASHER | |
25. | 3K-6060 | [1] | LOCKNUT | |
26. | 0L-1351 | [1] | BOLT | |
27. | 6K-5290 C | [1] | BRACKET | |
6K-5291 C | [1] | CLIP | ||
C | CHANGE FROM PREVIOUS TYPE | |||
Y | SEPARATE ILLUSTRATION |
#SEBP10710456
9J-5061: PUMP GP-VANE
9J5061 VANE PUMP GROUP--TYPE 1
Part Of 3G1020 Dump And Lift Valves And Lines
Part Of 3G1020 Dump And Lift Valves And Lines
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 4J-1657 | [1] | COVER | |
2. | 1H-7339 P | [1] | SEAL | |
3. | 1S-0668 P | [1] | RING | |
4. | 2H-3931 P | [1] | SEAL | |
5. | 1D-4574 | [4] | BOLT | |
6. | J | [1] | ROTOR | |
7. | J | [1] | RING | |
8. | J | [1] | PLATE | |
9. | 4J-2457 | [1] | COVER | |
10. | H | [1] | PLATE ASSEM. | |
11. | H | [1] | BEARING | |
12. | H | [1] | RING | |
13. | H | [1] | ROTOR | |
14. | 1S-0669 P | [1] | RING | |
15. | 2H-4145 P | [1] | SEAL | |
16. | 4M-7652 | [1] | RING | |
17. | 9J-5124 | [1] | BODY | |
18. | 4J-0980 P | [1] | SEAL | |
19. | 9J-5150 P | [1] | SEAL | |
20. | 9J-5093 | [1] | SHAFT | |
21. | 4M-7648 | [1] | WASHER | |
22. | 6B-1124 | [1] | BEARING | |
23. | 1L-8497 | [1] | RING | |
24. | 1S-0670 P | [1] | RING | |
25. | 1H-9696 P | [1] | SEAL | |
26. | H | [1] | PLATE | |
27. | 2H-3934 P | [1] | SEAL | |
[10] | VANE | |||
H | [10] | INSERT | ||
29. | H | [2] | PIN | |
30. | H | [2] | SCREW | |
31. | J | [2] | SCREW | |
32. | J | [2] | PIN | |
33. | [10] | VANE | ||
J | [10] | INSERT | ||
34. | J | [1] | PLATE | |
35. | 4F-7952 P | [1] | SEAL | |
36. | 4J-9222 P | [1] | RING | |
37. | 0T-0319 | [4] | BOLT | |
38. | 4H-0407 P | [1] | PLUG | |
9J-5112 L | [1] | KIT (Seal) | ||
(Consists of parts marked p) | ||||
7J-7967 R | [1] | CARTRIDGE ASSEM. | ||
(Consists of parts marked j) | ||||
7J-0554 R | [1] | CARTRIDGE ASSEM. | ||
(Consists of parts marked h) | ||||
L | NOT PART OF 9J5061 PUMP ASSEM. | |||
R | REMFG PART MAY BE AVAILABLE |
#SEBP10710457
9J-5061: PUMP GP-VANE
9J5061 VANE PUMP GROUP--TYPE 2
3G2198, 3G2721--Page 132B
Part Of 3G1020 Dump And Lift Valve And Lines
3G2198, 3G2721--Page 132B
Part Of 3G1020 Dump And Lift Valve And Lines
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 0T-0319 | [4] | BOLT | |
2. | 3G-2721 RCH | [1] | CARTRIDGE GROUP (14 GPM) | |
3. | 4J-2457 | [1] | COVER | |
4. | 3G-2198 CH | [1] | CARTRIDGE GROUP (14 GPM) | |
5. | 9J-5124 | [1] | BODY | |
6. | 1L-8497 | [1] | RING (inner) | |
7. | 6B-1124 | [1] | BEARING | |
8. | 9J-5093 | [1] | SHAFT | |
9. | 9J-5150 | [1] | SEAL | |
10. | 4J-0980 | [1] | SEAL | |
11. | 4M-7648 | [1] | WASHER | |
12. | 3G-2632 C | [1] | PLUG | |
13. | 4M-7652 | [1] | RING (outer) | |
14. | 1D-4574 | [4] | BOLT | |
15. | 4J-1657 | [1] | COVER | |
H | SEPARATE ILLUSTRATION | |||
R | REMFG PART MAY BE AVAILABLE | |||
C | INDICATES CHANGE |
#SEBP10710458
9J-5061: PUMP GP-VANE
9J5061 VANE PUMP GROUP--TYPE 3
3G7653, 3G7658--Page 132C
Part Of 3G1020 Dump And Lift Valve And Lines
3G7653, 3G7658--Page 132C
Part Of 3G1020 Dump And Lift Valve And Lines
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 0T-0319 | [4] | BOLT | |
2. | 3G-7658 RY | [1] | CARTRIDGE GP -53L/M(14GPM) | |
3. | 4J-2457 | [1] | COVER | |
4. | 3G-7653 RY | [1] | CARTRIDGE GP-FRONT -53L/M(14GPM) | |
5. | 1U-3943 C | [1] | BODY | |
6. | 1L-8497 | [1] | RING-SNAP (INNER) | |
7. | 6B-1124 | [1] | BALL BEARING | |
8. | 9G-5093 | [1] | PLUG | |
9. | 3G-9193 C | [1] | SEAL-LIP TYPE | |
10. | 5P-0903 C | [1] | SEAL-LIP TYPE | |
11. | 4M-7648 | [1] | WASHER | |
12. | 3G-7242 C | [1] | PLUG | |
13. | 4M-7652 | [1] | RING-RETAINING (OUTER) | |
14. | 1D-4574 | [4] | BOLT | |
15. | 4J-1657 | [1] | COVER | |
THE FOLLOWING REPAIR | ||||
KITS ARE AVAILABLE: | ||||
1U-0378 | [1] | KIT-FLEXPLATE (SMALL) | ||
1U-0379 | [1] | KIT-FLEXPLATE (LARGE) | ||
C | CHANGE FROM PREVIOUS TYPE | |||
R | REMFG PART MAY BE AVAILABLE | |||
Y | SEPARATE ILLUSTRATION |
#SEBP10710459
9J-5061: PUMP GP-VANE
9J5061 VANE PUMP GROUP--Type 3
Part of 3G1020 Dump & Lift Valve & Lines Group shown on Pages 131, 131B & 131D
3G7653 & 3G7658 Cartridge parts are shown on Page 132C
Part of 3G1020 Dump & Lift Valve & Lines Group shown on Pages 131, 131B & 131D
3G7653 & 3G7658 Cartridge parts are shown on Page 132C
Parts for your 613B WHEEL TRACTOR:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 0T-0319 | [4] | BOLT | |
2. | 3G-7658 RY | [1] | CARTRIDGE GP -53L/M(14GPM) | |
3. | 4J-2457 | [1] | COVER | |
4. | 3G-7653 RY | [1] | CARTRIDGE GP-FRONT -53L/M(14GPM) | |
5. | 1U-3943 C | [1] | BODY | |
6. | 1L-8497 | [1] | RING-SNAP (INNER) | |
7. | 6B-1124 | [1] | BALL BEARING | |
8. | 9G-5093 | [1] | PLUG | |
9. | 3G-9193 C | [1] | SEAL-LIP TYPE | |
10. | 5P-0903 C | [1] | SEAL-LIP TYPE | |
11. | 4M-7648 | [1] | WASHER | |
12. | 3G-7242 C | [1] | PLUG | |
13. | 4M-7652 | [1] | RING-RETAINING (OUTER) | |
14. | 1D-4574 | [4] | BOLT | |
15. | 4J-1657 | [1] | COVER | |
THE FOLLOWING REPAIR | ||||
KITS ARE AVAILABLE: | ||||
1U-0378 | [1] | KIT-FLEXPLATE (SMALL) | ||
1U-0379 | [1] | KIT-FLEXPLATE (LARGE) | ||
C | CHANGE FROM PREVIOUS TYPE | |||
R | REMFG PART MAY BE AVAILABLE | |||
Y | SEPARATE ILLUSTRATION |
Information:
HYDRAULIC SYSTEM
VALVE GP
Specifications
Service Magazine
Caterpillar Parts SIS Catalog 613B :
Truck sale:
CATERPILLAR 613B 1900
- WHEEL TRACTOR SCRAPERS
GREGORY POOLE
4807 Beryl Road P. O. Box 469 (27602) - Raleigh
- WHEEL TRACTOR SCRAPERS
GREGORY POOLE
4807 Beryl Road P. O. Box 469 (27602) - Raleigh