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2043614 CYLINDER AND SEAL GP-BOOM PARTS OF 1588989 SEE PAGE 35, PARTS OF 1588990 SEE PAGE 35 321C EXCAVATOR


HYDRAULIC SYSTEM
CYLINDER GP
LINES GP-CYLINDER
LINES GP-BOOM
LINES GP-CYLINDER

EXCAVATOR 321C EXCAVATOR MCF
 320C LCR SUPPLEMENT FOR EXCAVATOR /10M SHORT REACH FRON/ MCF00001-UP (MACHINE) XEBP8440 321C MCF   (2002)

HYDRAULIC SYSTEM

CYLINDER GP
191-3287 CYLINDER AND LINES GP-BLADE
191-3285 CYLINDER AND LINES GP-BLADE
CYLINDER AND SEAL GP-BOOM
204-3614 CYLINDER AND SEAL GP-BOOM
CYLINDER AND LINES GP-STICK
281-7970 CYLINDER AND LINES GP-STICK
CYLINDER AND LINES GP-STICK
281-7971 CYLINDER AND LINES GP-STICK
CYLINDER AND LINES GP-BUCKET
281-7972 CYLINDER AND LINES GP-BUCKET
 

#XEBP84400030
 

204-3614: CYLINDER AND SEAL GP-BOOM

2043614 CYLINDER AND SEAL GP-BOOM
PARTS OF 1588989 SEE PAGE 35, PARTS OF 1588990 SEE PAGE 35
c966412 XEBP8440
2043614 CYLINDER AND SEAL GP-BOOM Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 121-1611 J [1] SEAL  
2. 096-1568 J [1] RING  
3. 096-1567 J [1] SEAL  
4. 204-3622 J [1] SEAL  
5. 096-4402 [1] BEARING  
6. 094-0747 [1] RING  
7. 185-0334 [1] HEAD  
8. 8T-1447 [12] BOLT (L=70mm)  
9. 096-3964 J [1] RING  
10. 095-1717 J [1] SEAL (ID=114.40mm)  
11. 177-2575 [1] ROD AS  
  163-3746 [1] BEARING  
12. 177-2574 [1] CYLINDER AS  
  163-3753 [1] BEARING  
13. 4I-8864 [1] STOP  
14. 126-1935 J [1] RING  
15. 4I-3614 [1] PISTON  
16. 4I-3615 J [2] RING  
17. 096-7803 J [1] SEAL AS  
18. 126-1936 J [2] RING  
19. 086-0255 J [2] RING  
20. 096-4408 J [1] SHIM (T=0.30mm)  
21. 096-3216 [1] SETSCREW  
22. 096-3891 [1] BALL  
23. 177-2572 [1] LOCKNUT  
24. 177-2573 [2] SEAL  
25. 3B-8489 [1] FITTING  
26. 166-1494 [2] SEAL  
    AVAILABLE REPAIR KIT(S):
  204-3625 [1] KIT (SEAL)  
  J   KIT MARKED J SERVICES PARTS MARKED J
 

#XEBP84400031
 

281-7970: CYLINDER AND LINES GP-STICK

2817970 CYLINDER AND LINES GP-STICK
(LEFT)
PART OF 2863977 SEE PAGE 36
c966413 XEBP8440
2817970 CYLINDER AND LINES GP-STICK Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 286-3979 K [1] CYLINDER AS  
2. 286-3980 L [1] ROD AS  
3. 185-0335 [1] HEAD  
4. 096-5625 [1] BEARING  
5. 094-1931 [1] RING  
6. 4I-3626 J [1] RING  
7. 121-1371 J [1] RING  
8. 121-1372 J [1] RING  
9. 133-6904 J [1] RING  
10. 095-1721 J [1] SEAL (ID=134.40mm)  
11. 4I-3627 J [1] RING  
12. 4I-3628 [12] BOLT (L=80mm)  
13. 4I-8869 [1] BEARING  
14. 126-1876 J [1] RING  
15. 105-2593 [1] PISTON  
16. 096-1570 J [1] SEAL AS  
17. 4I-3631 J [2] RING  
18. 126-1877 J [2] RING  
19. 096-1571 J [2] RING  
20. 096-5741 J [1] SHIM (T=0.30mm)  
21. 177-2596 [1] NUT  
22. 096-6210 [1] SETSCREW  
23. 096-6211 [1] BALL  
24. 126-1878 [1] BEARING  
25. 126-1879 J [1] RING  
26. 099-8285 [2] STOPPER  
27. 096-4461 [1] RING  
28. 163-3747 KL [2] BEARING  
29. 177-2573 [4] RING  
30. 3B-8489 [2] FITTING  
31. 286-3981 [1] TUBE AS  
32. 095-1600 [1] SEAL (ID=33.70mm)  
33. 095-0672 [4] BOLT  
34. 286-3982 [1] TUBE AS  
35. 095-1597 [1] SEAL (ID=29.70mm)  
36. 8T-1160 [4] BOLT (L=50mm)  
37. 286-3983 [1] BAND AS  
38. 124-1020 [1] BAND  
39. 4I-3622 [2] BOLT  
40. 096-4415 [2] WASHER  
41. 096-4447 [1] CLAMP  
42. 096-3499 [1] BOLT  
43. 095-0817 [2] WASHER  
44. 096-4480 [1] CLAMP  
45. 6V-7673 [1] BOLT (L=50mm)  
46. [1] NIPPLE  
47. 095-1596 [1] SEAL (ID=28.70mm)  
48. 185-0227 [1] NIPPLE  
49. 095-1592 [1] SEAL (ID=23.70mm)  
    AVAILABLE REPAIR KIT(S):
  137-3764 J [1] KIT (SEAL)  
  286-3985 K [1] KIT (CYLINDER TUBE)  
  286-3986 L [1] KIT (ROD)  
  J   KIT MARKED J SERVICES PARTS MARKED J
  K   KIT MARKED K SERVICES PARTS MARKED K
  L   KIT MARKED L SERVICES PARTS MARKED L
 

#XEBP84400032
 

281-7971: CYLINDER AND LINES GP-STICK

2817971 CYLINDER AND LINES GP-STICK
(RIGHT)
PART OF 2863977 SEE PAGE 36
c966414 XEBP8440
2817971 CYLINDER AND LINES GP-STICK Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 286-3979 K [1] CYLINDER AS  
2. 286-3980 L [1] ROD AS  
3. 185-0335 [1] HEAD  
4. 096-5625 [1] BEARING  
5. 094-1931 [1] RING  
6. 4I-3626 J [1] RING  
7. 121-1371 J [1] RING  
8. 121-1372 J [1] RING  
9. 133-6904 J [1] RING  
10. 095-1721 J [1] SEAL (ID=134.40mm)  
11. 4I-3627 J [1] RING  
12. 4I-3628 [12] BOLT (L=80mm)  
13. 4I-8869 [1] BEARING  
14. 126-1876 J [1] RING  
15. 105-2593 [1] PISTON  
16. 096-1570 J [1] SEAL AS  
17. 4I-3631 J [2] RING  
18. 126-1877 J [2] RING  
19. 096-1571 J [2] RING  
20. 096-5741 J [1] SHIM (T=0.30mm)  
21. 177-2596 [1] NUT  
22. 096-6210 [1] SETSCREW  
23. 096-6211 [1] BALL  
24. 126-1878 [1] BEARING  
25. 126-1879 J [1] RING  
26. 099-8285 [2] STOPPER  
27. 096-4461 [1] RING  
28. 163-3747 KL [2] BEARING  
29. 177-2573 [4] RING  
30. 3B-8489 [2] FITTING  
31. 286-3988 [1] TUBE AS  
32. 095-1600 [1] SEAL (ID=33.70mm)  
33. 095-0672 [4] BOLT  
34. 286-3989 [1] TUBE AS  
35. 095-1597 [1] SEAL (ID=29.70mm)  
36. 8T-1160 [4] BOLT (L=50mm)  
37. 286-3983 [1] BAND AS  
38. 124-1020 [1] BAND  
39. 4I-3622 [2] BOLT  
40. 096-4415 [2] WASHER  
41. 096-4447 [1] CLAMP  
42. 096-3499 [1] BOLT  
43. 095-0817 [2] WASHER  
44. 096-4480 [1] CLAMP  
45. 6V-7673 [1] BOLT (L=50mm)  
46. [1] NIPPLE  
47. 095-1596 [1] SEAL (ID=28.70mm)  
48. 185-0227 [1] NIPPLE  
49. 095-1592 [1] SEAL (ID=23.70mm)  
    AVAILABLE REPAIR KIT(S):
  137-3764 J [1] KIT (SEAL)  
  286-3985 K [1] KIT (CYLINDER TUBE)  
  286-3986 L [1] KIT (ROD)  
  J   KIT MARKED J SERVICES PARTS MARKED J
  K   KIT MARKED K SERVICES PARTS MARKED K
  L   KIT MARKED L SERVICES PARTS MARKED L
 

#XEBP84400033
 

281-7972: CYLINDER AND LINES GP-BUCKET

2817972 CYLINDER AND LINES GP-BUCKET
PARTS OF 2863978 SEE PAGE 37
c966415 XEBP8440
2817972 CYLINDER AND LINES GP-BUCKET Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 286-3990 K [1] CYLINDER AS  
2. 286-3991 L [1] ROD AS  
3. 185-0221 [1] HEAD  
4. 096-4402 [1] BEARING  
5. 094-0747 [1] RING  
6. 4I-3611 J [1] RING  
7. 096-1567 J [1] RING  
8. 096-1568 J [1] RING  
9. 121-1611 J [1] RING  
10. 095-1718 J [1] SEAL (ID=119.40mm)  
11. 096-1566 J [1] RING  
12. 4I-3612 [12] BOLT  
13. 086-1088 [1] BEARING  
14. 126-1935 [1] RING  
15. 166-3001 [1] PISTON  
16. 096-1564 J [1] SEAL AS  
17. 166-3002 J [2] RING  
18. 166-3003 J [2] RING  
19. 096-1565 J [2] RING  
20. 5I-4616 J [1] SHIM (T=0.30mm)  
21. 185-0222 [1] NUT  
22. 096-3216 [1] SETSCREW  
23. 096-3891 [1] BALL  
24. 184-5560 K [1] BEARING  
25. 137-2820 L [1] BEARING  
26. 096-0854 [4] RING  
27. 3B-8489 [2] FITTING  
28. [1] TUBE AS  
29. 286-3993 [1] JOINT  
30. 095-1597 [2] SEAL (ID=29.70mm)  
31. 9X-6032 [8] BOLT (L=30mm)  
32. 286-3994 [1] BAND AS  
33. 5I-4620 [1] BAND  
34. 4I-3622 [2] BOLT  
35. 096-4415 [2] WASHER  
36. 096-4480 [1] CLAMP  
37. 6V-7673 [1] BOLT (L=50mm)  
38. 095-0817 [1] WASHER  
39. 185-0227 [2] NIPPLE  
40. 095-1592 [2] SEAL  
    AVAILABLE REPAIR KIT(S):
  286-3995 J [1] KIT (SEAL)  
  286-3996 K [1] KIT (CYLINDER TUBE)  
  286-3997 L [1] KIT (ROD)  
  J   KIT MARKED J SERVICES PARTS MARKED J
  K   KIT MARKED K SERVICES PARTS MARKED K
  L   KIT MARKED L SERVICES PARTS MARKED L
 

#XEBP84400034
 

191-3288: CYLINDER AND SEAL GP-BLADE

1913288 CYLINDER AND SEAL GP-BLADE
LEFT
PARTS OF 1913287 SEE PAGE 38
c966416 XEBP8440
1913288 CYLINDER AND SEAL GP-BLADE Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 121-1371 J [1] SEAL  
2. 121-1372 J [1] RING  
3. 133-6904 J [1] SEAL  
4. 164-5165 J [1] SEAL  
5. 164-5163 [1] HEAD  
6. 164-5166 [1] LOCKWASHER  
7. 164-5164 J [1] RING  
8. 095-1721 J [1] SEAL (ID=134.40mm)  
9. 4I-3627 J [1] RING  
10. 096-5625 [1] BEARING  
11. 094-1931 [1] RING  
12. 191-3294 [1] CYLINDER AS  
13. 186-5588 [1] BEARING  
14. 164-5167 [1] PISTON  
15. 096-1570 J [1] SEAL AS  
16. 164-5168 J [2] RING  
17. 096-4441 J [1] SHIM (T=0.3mm)  
18. 119-5304 [1] LOCKNUT  
19. 096-3216 [1] SETSCREW  
20. 096-3891 [1] BALL  
21. 3B-8489 [2] FITTING  
22. 177-2573 [4] SEAL  
23. 191-3295 [1] ROD AS  
24. 186-5588 [1] BEARING  
    AVAILABLE REPAIR KIT(S):
  164-5174 [1] KIT (SEAL)  
  J   KIT MARKED J SERVICES PARTS MARKED J
 

#XEBP84400035
 

191-3286: CYLINDER AND SEAL GP-BLADE

1913286 CYLINDER AND SEAL GP-BLADE
RIGHT
PART OF 1913285 SEE PAGE 38
c966417 XEBP8440
1913286 CYLINDER AND SEAL GP-BLADE Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 121-1371 J [1] SEAL  
2. 121-1372 J [1] RING  
3. 133-6904 J [1] SEAL  
4. 164-5165 J [1] SEAL  
5. 164-5163 [1] HEAD  
6. 164-5166 [1] LOCKWASHER  
7. 164-5164 J [1] RING  
8. 095-1721 J [1] SEAL (ID=134.40mm)  
9. 4I-3627 J [1] RING  
10. 096-5625 [1] BEARING  
11. 094-1931 [1] RING  
12. 191-3296 [1] CYLINDER AS  
13. 186-5588 [1] BEARING  
14. 164-5167 [1] PISTON  
15. 096-1570 J [1] SEAL AS  
16. 164-5168 J [2] RING  
17. 096-4441 J [1] SHIM (T=0.3mm)  
18. 119-5304 [1] LOCKNUT  
19. 096-3216 [1] SETSCREW  
20. 096-3891 [1] BALL  
21. 3B-8489 [2] FITTING  
22. 177-2573 [4] SEAL  
23. 191-3295 [1] ROD AS  
24. 186-5588 [1] BEARING  
    AVAILABLE REPAIR KIT(S):
  164-5174 [1] KIT (SEAL)  
  J   KIT MARKED J SERVICES PARTS MARKED J
 

#XEBP84400036
 

118-3949: LINES GP-BOOM CYLINDER

1183949 LINES GP-BOOM CYLINDER
PARTS OF 1588989 SEE PAGE 35
c966418 XEBP8440
1183949 LINES GP-BOOM CYLINDER Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 222-0127 [1] TUBE AS  
2. 222-0126 [1] TUBE AS  
3. 8T-4196 [2] BOLT (L=35mm)  
4. 8T-4896 [2] WASHER  
5. 095-1597 [2] SEAL (ID=29.70mm)  
6. 9X-6032 [8] BOLT (L=30mm)  
7. 8T-3653 [1] BOLT (L=80mm)  
8. 3B-4509 [1] LOCKWASHER  
9. 094-1920 [2] CLAMP  
10. 137-3709 [1] SUPPORT AS  
11. 4I-3621 [1] SUPPORT  
 

#XEBP84400037
 

118-3957: LINES GP-BOOM CYLINDER

1183957 LINES GP-BOOM CYLINDER
PARTS OF 1588990 SEE PAGE 35
c966419 XEBP8440
1183957 LINES GP-BOOM CYLINDER Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 222-0125 [1] TUBE AS  
2. 222-0124 [1] TUBE AS  
3. 095-1597 [2] SEAL (ID=29.70mm)  
4. 9X-6032 [8] BOLT (L=30mm)  
5. 4I-3621 [1] SUPPORT  
6. 137-3709 [1] SUPPORT AS  
7. 094-1920 [2] CLAMP  
8. 8T-3653 [1] BOLT (L=80mm)  
9. 3B-4509 [1] LOCKWASHER  
10. 8T-4196 [2] BOLT (L=35mm)  
11. 8T-4896 [2] WASHER  
 

#XEBP84400038
 

284-1898: LINES GP- BOOM CYLINDER

2841898 LINES GP-BOOM CYLINDER
PARTS OF 2841897 SEE PAGE 87
PARTS OF 2502493 SEE PAGE 133, PARTS OF 2502495 SEE PAGE 134
c966420 XEBP8440
2841898 LINES GP- BOOM CYLINDER Parts scheme 2841898 LINES GP- BOOM CYLINDER Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-1907 [7] SEAL (ID=11.89mm)  
2. 7K-1181 [6] STRAP  
3. 9X-2614 [1] CONNECTOR  
4. 119-2804 [2] SUPPORT AS  
5. 122-5500 [2] SUPPORT AS  
6. 176-4612 [1] TUBE AS  
7. 176-4613 [1] TUBE AS  
8. 176-4614 [1] TUBE AS  
9. 179-7528 [2] SUPPORT AS  
10. 179-7529 [1] PLATE  
11. 179-7607 [2] SUPPORT AS  
12. 186-3795 [1] HOSE AS  
13. 187-5687 [2] HOSE AS  
14. 187-5690 [1] HOSE AS  
15. 187-6863 [1] PLATE  
16. 220-9729 [1] FITTING  
17. 220-9789 [1] TUBE AS  
18. 250-2493 Y [1] VALVE GP  
19. 250-2495 Y [1] VALVE GP  
20. 6V-8636 [3] CONNECTOR  
21. 6V-8639 [1] CONNECTOR  
22. 6V-9002 [1] ELBOW  
23. 6V-8724 [2] ELBOW  
24. 9S-4185 [2] PLUG  
25. 6V-9836 [2] TEE  
26. 6V-9837 [1] TEE  
27. 8C-8989 [1] ELBOW  
28. 1P-3703 [6] SEAL (OD=22.50mm)  
29. 4I-1674 [4] CLIP  
30. 6V-8397 [10] SEAL (OD=12.83mm)  
31. 6V-9746 [4] SEAL (OD=22.50mm)  
32. 8T-0341 [8] BOLT (L=60mm)  
33. 8T-4121 [20] WASHER  
34. 8T-4136 [8] BOLT (L=25mm)  
35. 8T-4139 [4] BOLT (L=30mm)  
36. 8T-4185 [8] BOLT (L=50mm)  
37. 8T-4195 [8] BOLT (L=30mm)  
38. 8T-4196 [12] BOLT (L=35mm)  
39. 8T-4223 [4] WASHER  
40. 3K-0360 [4] SEAL (ID=16.36mm)  
41. 6V-8398 [5] SEAL (OD=16.03mm)  
  Y   SEPARATE ILLUSTRATION
 

#XEBP84400039
 

162-4470: LINES GP-BLADE CYLINDER

1624470 LINES GP-BLADE CYLINDER
LEFT
PARTS OF 1913287 SEE PAGE 38
c966422 XEBP8440
1624470 LINES GP-BLADE CYLINDER Parts scheme
  For full view, you need register

Parts for your 321C EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 164-5170 [1] PIPE AS  
2. 164-5169 [1] NIPPLE  
3. 164-5172 [1] BOLT (L=16mm)  
4. 164-5173 [1] WASHER  
 

Information:

Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Technical Information Bulletin
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Specifications
Stick Cylinder
321C LCR Excavator Machine System Specifications
Boom Cylinder
321C LCR Excavator Machine System Specifications
Bucket Cylinder
321C LCR Excavator Machine System Specifications
Boom Cylinder Lines
321C LCR Excavator Machine System Specifications
Boom Lines
321C LCR Excavator Machine System Specifications
Boom Cylinder Lines
321C LCR Excavator Machine System Specifications
Tool Operating Manual
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Systems Operation
Cylinders (Boom, Stick and Bucket)
321C LCR Excavator Hydraulic System
Boom Cylinder Decompression System
321C LCR Excavator Hydraulic System
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Contamination Control Guidelines
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Applied Failure Analysis
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Custom Service Information
Custom Product Support Literature for the Hydraulic Adjustment Procedure for the Long Reach Front on 320C L, 322C L, 325C L and 330C L Excavators{5050, 5117, 5456, 5458}
Custom Product Support Literature for the Hydraulic Adjustment Procedure for the Long Reach Front on 320C L, 322C L, 325C L and 330C L Excavators{5050, 5117, 5456, 5458}
Testing and Adjusting
Cylinder Drift - Check - Loaded Bucket
321C CR Excavator Hydraulic System
Cylinder Speed - Check
321C CR Excavator Hydraulic System
Cylinder Drift - Check - Empty Bucket
321C CR Excavator Hydraulic System
Bench Test Procedures
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Disassembly and Assembly
Stick Cylinder - Remove and Install
321C LCR Excavator Machine Systems
Bucket Cylinder - Remove and Install
321C LCR Excavator Machine Systems
Boom Cylinder - Remove and Install
321C LCR Excavator Machine Systems
Service Magazine
Summary of the New Seals for Hydraulic Cylinder Rods {5456, 5457, 5458}
2003/11/17
Boom Cylinder Link Assemblies Support Implement During Service {0635, 0738}
2004/03/08
Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2012/10/04
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2011/10/17
Correct Ring Orientation Provides Smooth Hydraulic Cylinder Operation {5456, 5458}
2009/03/16
A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30
Service Limit of the Bushings At the Front Linkages Are Now Available on Certain Excavators {5456, 5457, 5458, 6060, 6301, 6302, 6460, 6501, 6502, 6516, 6521, 6535, 6536}
2010/10/12

Caterpillar Parts SIS Catalog 321C :

191-3285 CYLINDER AND LINES GP-BLADE
191-3287 CYLINDER AND LINES GP-BLADE
CYLINDER GP-BUCKET
286-3978 CYLINDER GP-BUCKET
CYLINDER GP-STICK
286-3977 CYLINDER GP-STICK
158-8990 CYLINDER AND LINES GP-BOOM
158-8989 CYLINDER AND LINES GP-BOOM
FILTER GP
224-1687 FILTER GP
PUMP AND DRIVE GP
189-1105 PUMP AND DRIVE GP
CYLINDER AND LINES GP-STICK
281-7970 CYLINDER AND LINES GP-STICK
CYLINDER AND LINES GP-STICK
281-7971 CYLINDER AND LINES GP-STICK
CYLINDER AND LINES GP-BUCKET
281-7972 CYLINDER AND LINES GP-BUCKET
CYLINDER AND SEAL GP-BLADE
191-3288 CYLINDER AND SEAL GP-BLADE
CYLINDER AND SEAL GP-BLADE
191-3286 CYLINDER AND SEAL GP-BLADE
LINES GP-BOOM CYLINDER
118-3949 LINES GP-BOOM CYLINDER
LINES GP-BOOM CYLINDER
118-3957 LINES GP-BOOM CYLINDER
LINES GP- BOOM CYLINDER
284-1898 LINES GP- BOOM CYLINDER

Truck sale:

CATERPILLAR 321C 2004
 
CATERPILLAR 321C 2004
- TRACK EXCAVATORS
EMPIRE MACHINERY CO
1725 South Country Club Drive - Mesa -
 
$34,395 USD 
CATERPILLAR 321C 2003
- TRACK EXCAVATORS
TOROMONT
For All your Used Equipment Needs - in Ontario, Manitoba, Newfoundlan
CATERPILLAR 321C 2005
 
CATERPILLAR 321C 2005
- TRACK EXCAVATORS
BLANCHARD MACHINERY
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