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1620918 HEAD GP-PUMP CONTROL PART OF 2220107-Page 183 1620919-Page 191, 1232011-Page 193 321B EXCAVATOR


HYDRAULIC SYSTEM
PUMP GP
DRIVE GP
FILTER GP

EXCAVATOR 321B EXCAVATOR 9CZ
 321B LCR TRACK-TYPE EXCAVATORS 9CZ01002-01003 (MACHINE) POWERED BY 3066 XEBP7994 321B 9CZ   (1999)

HYDRAULIC SYSTEM

PUMP GP
ROTATING GP-PUMP
222-0106 ROTATING GP-PUMP
ROTATING GP-PUMP
214-4527 ROTATING GP-PUMP
HEAD GP-PUMP CONTROL
162-0918 HEAD GP-PUMP CONTROL
HEAD GP-PUMP CONTROL
162-0919 HEAD GP-PUMP CONTROL
HEAD GP-PUMP CONTROL
126-2136 HEAD GP-PUMP CONTROL
COVER GP-PUMP CONTROL
123-2011 COVER GP-PUMP CONTROL
 

#XEBP79940160
 

162-0918: HEAD GP-PUMP CONTROL

1620918 HEAD GP-PUMP CONTROL
PART OF 2220107-Page 183
1620919-Page 191, 1232011-Page 193
h62318e XEBP7994
1620918 HEAD GP-PUMP CONTROL Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 123-2011 Y [2] COVER GP  
2. 123-2015 [2] PISTON  
3. 8T-4956 [2] BOLT (L=35mm)  
4. 123-2016 [2] PIN  
5. 099-5835 [2] TRUNNION  
6. 159-7666 [2] DOWEL  
7. 087-4744 [2] SPACER  
8. 099-5837 [2] SPRING  
9. 9T-3382 [1] GASKET  
10. 120-4394 [1] PLUG  
11. 162-0919 Y [1] HEAD GP  
12. 123-2014 [2] PISTON  
13. 099-5847 [4] RING  
14. 8C-8729 [4] BOLT (L=80mm)  
15. 8T-7811 [8] BOLT (L=50mm)  
16. 123-2017 [1] PLUG  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP79940161
 

162-0919: HEAD GP-PUMP CONTROL

1620919 HEAD GP-PUMP CONTROL
PART OF 1620918-Page 190
1262136-Page 192
h85293e XEBP7994
1620919 HEAD GP-PUMP CONTROL Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 123-2020 [1] BUSH  
2. 3G-0785 [1] BALL  
3. 123-2021 [1] SEAT  
4. 6V-8397 [4] SEAL-O-RING (OD=12.83mm)  
5. 123-2017 [10] PLUG  
6. 6V-5196 [6] BOLT (L=80mm)  
7. 123-2019 [1] HOUSING  
8. 081-3959 [1] PLUG  
9. 162-0920 [2] SPRING  
10. 087-4761 [2] SPACER  
11. 162-0921 [2] SPRING  
12. 087-4760 [2] SPACER  
13. 162-0922 [2] PISTON  
14. 123-1981 [2] SEAT  
15. 126-2136 Y [1] HEAD GP  
16. 123-1980 [2] SPRING  
17. 087-4759 [2] SETSCREW  
18. 9T-3853 [2] LOCKNUT  
19. 9T-4367 [1] CAP AS  
20. 9T-3928 [2] PLUG  
21. 005-8593 [2] SEAL-O-RING (ID=52.07mm)  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP79940162
 

126-2136: HEAD GP-PUMP CONTROL

1262136 HEAD GP-PUMP CONTROL
PART OF 1620919-Page 191
h85294e XEBP7994
1262136 HEAD GP-PUMP CONTROL Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-5851 [2] COVER  
2. 123-2025 [2] SPRING  
3. 4J-5351 [2] SEAL-O-RING (ID=17.12mm)  
4. 9T-3941 [1] PLUG  
5. 9T-4367 [1] CAP AS  
6. 099-5742 [2] SETSCREW  
7. 9T-3853 [2] LOCKNUT  
8. 120-4394 [5] PLUG  
9. 099-3094 [2] DOWEL  
10. 8C-6965 [6] BOLT (L=45mm)  
11. 191-3107 [2] PIN  
12. 6V-8218 [2] SEAL-O-RING (ID=32.99mm)  
13. 4J-5477 [4] SEAL-O-RING (OD=11.23mm)  
14. 123-2023 [2] PISTON  
15. 126-2069 [2] BUSHING  
16. 126-2068 [2] PISTON  
17. 099-5735 [4] SEAT  
18. 126-2072 [1] PLUG  
 

#XEBP79940163
 

123-2011: COVER GP-PUMP CONTROL

1232011 COVER GP-PUMP CONTROL
PART OF 1620918-Page 190
h75314e XEBP7994
1232011 COVER GP-PUMP CONTROL Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 123-2089 [1] COVER  
2. 4J-8998 [1] SEAL-O-RING (ID=36.09mm)  
3. 199-1901 [1] SEAL-O-RING (ID=9.27mm)  
4. 9T-3939 [1] PLUG AS  
  6E-5479 [1] SEAL  
5. 6E-5063 [1] CAP AS  
6. 9T-3049 [1] BOLT  
7. 9T-3048 [1] LOCKNUT  
8. 8T-3957 [4] BOLT (L=30mm)  
 

#XEBP79940164
 

161-7809: DRIVE GP-SWING

1617809 DRIVE GP-SWING
1623686-Page 195, 1623687-Page 260
h62568e XEBP7994
1617809 DRIVE GP-SWING Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. Y [1] DRIVE GP  
2. 114-1398 [1] GAGE  
3. 114-1399 [1] PIPE  
4. 162-3687 Y [1] MOTOR GP  
5. 1U-8846 B GASKET MAKER (10ml)  
6. 4I-7527 [1] BREATHER AS  
  093-5150 [1] COUPLING  
  114-8234 [1] BREATHER  
  159-7665 [1] NIPPLE  
  B   USE AS REQUIRED
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP79940165
 

162-3686: DRIVE GP-SWING

1623686 DRIVE GP-SWING
PART OF 1617809-Page 194
h71623e XEBP7994
1623686 DRIVE GP-SWING Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 094-0584 [12] WASHER  
2. 094-1509 [3] SHAFT  
3. 7Y-1644 [3] GEAR (Z=25)  
4. 114-1581 [1] SPACER  
5. 7Y-1643 [1] GEAR (Z=23)  
6. 093-1729 [2] RING-RETAINING  
7. 7Y-1751 [1] CARRIER  
8. 6V-3532 [1] BOLT (L=60mm)  
9. 7Y-1765 [1] WASHER-LOCK  
10. 127-5969 [1] GEAR (Z=23)  
11. 7Y-1752 [1] CARRIER  
12. 7Y-1777 [1] RETAINER  
13. 7Y-1755 [1] GEAR (Z=73)  
14. 096-4339 [1] BEARING AS  
15. 7Y-1758 [1] SPACER  
16. 7Y-1772 [1] CAGE  
17. 8T-4183 [6] BOLT (L=40mm)  
18. 8T-4223 [6] WASHER-HARD  
19. 7Y-1766 [2] SEAL  
20. 7Y-1775 [1] SHAFT  
21. 095-1022 [1] BEARING  
22. 114-1335 [1] HOUSING  
23. 1U-8846 B GASKET MAKER (4ml)  
24. 3K-0360 [1] SEAL-O-RING (ID=16.36mm)  
25. 6V-7238 [1] VALVE (SHUTOFF)  
26. 7Y-1646 [3] SHAFT  
27. 7Y-1756 [3] BEARING  
28. 127-5970 [3] GEAR (Z=25)  
29. 096-4837 [7] PIN-SPRING  
30. 094-1516 [3] BEARING  
31. 7Y-1759 B [5] SHIM (T=0.1mm)  
  7Y-1760 B [2] SHIM (T=0.3mm)  
  7Y-1761 B [1] SHIM (T=0.5mm)  
  7Y-1762 B [1] SHIM (T=1.0mm)  
32. 162-3604 [1] ELBOW  
  B   USE AS REQUIRED
 

#XEBP79940166
 

184-3930: FILTER GP-HYDRAULIC

1843930 FILTER GP-HYDRAULIC
BASIC
PART OF 2144473-Page 179
h69569e XEBP7994
1843930 FILTER GP-HYDRAULIC Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 184-3931 [1] FILTER AS  
2. 103-8236 [1] RING  
 

#XEBP79940167
 

126-2075: FILTER GP-HYDRAULIC

1262075 FILTER GP-HYDRAULIC
BASIC
PART OF 2144473-Page 179
h84895e XEBP7994
1262075 FILTER GP-HYDRAULIC Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 093-7521 [1] FILTER  
2. 126-2076 [1] HEAD AS  
 

#XEBP79940168
 

188-4147: FILTER GP-HYDRAULIC

1884147 FILTER GP-HYDRAULIC
PART OF 2144473-Page 179
1884142-Page 199, 1843997-Page 200, 1733503-Page 201
h85295e XEBP7994
1884147 FILTER GP-HYDRAULIC Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 173-3503 Y [1] BLOCK GP  
2. 184-3997 Y [1] HOUSING GP  
3. 116-3654 [1] COVER  
4. 123-2003 [2] SEAL-O-RING (ID=185.00mm)  
5. 188-4142 Y [1] FILTER GP  
6. 8T-4184 [8] BOLT (L=45mm)  
7. 8T-4223 [8] WASHER  
8. 8T-0289 [4] BOLT (L=20mm)  
9. 129-8034 [1] VALVE AS  
10. 143-7966 [1] INDICATOR AS  
  8T-4127 [4] SCREW  
  137-3695 [1] FILM  
11. 159-7784 [1] SEAL-O-RING  
12. 8T-0328 [4] WASHER  
13. 116-3522 [2] SCREW  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP79940169
 

188-4142: FILTER GP-HYDRAULIC

1884142 FILTER GP-HYDRAULIC
PART OF 1884147-Page 198
h77561e XEBP7994
1884142 FILTER GP-HYDRAULIC Parts scheme
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Parts for your 321B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 204-2762 [1] PLATE  
2. 173-3529 J [6] BOLT (L=15mm)  
3. 3T-7528 J [6] SEAL-O-RING (ID=5.80mm)  
4. 173-3513 [1] BASE  
5. 3E-4297 J [2] SEAL-O-RING (ID=10.00mm)  
6. 137-3626 [1] BOLT  
7. 188-4143 [1] FILM (INSTRUCTION)  
8. 179-9806 [1] ELEMENT  
9. 137-3623 J [4] SEAL-O-RING (ID=55.60mm)  
10. 6V-7658 J [2] SEAL-O-RING (ID=59.40mm)  
11. 177-2553 J [1] SEAL-O-RING (ID=149.50mm)  
12. 095-1681 J [1] SEAL-O-RING (ID=144.40mm)  
13. 173-3515 [1] RING  
14. 173-3516 [1] HANDLE  
15. 4J-7533 J [1] SEAL-O-RING (ID=6.07mm)  
16. 9S-4180 J [1] PLUG  
17. 137-3624 J [8] SCREW  
18. 137-3625 J [2] PAD  
19. 173-3517 [1] PLATE  
20. 137-3628 J [1] SHIM (T=0.10mm)  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  201-9299 [1] SERVICE KIT (INCLUDES PARTS MARKED J)  
 

Information:

Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
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}
Service Magazine
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog 321B :

ROTATING GP-PUMP
214-4527 ROTATING GP-PUMP
ROTATING GP-PUMP
222-0106 ROTATING GP-PUMP
ROTATING GP-PUMP
222-0105 ROTATING GP-PUMP
PUMP GP-GEAR
133-6896 PUMP GP-GEAR
PUMP GP-GEAR
126-2083 PUMP GP-GEAR
133-6911 PUMP GP-GEAR
PUMP GP-HYDRAULIC
222-0104 PUMP GP-HYDRAULIC
PUMP GP-DOUBLE PISTON
222-0107 PUMP GP-DOUBLE PISTON
HEAD GP-PUMP CONTROL
162-0919 HEAD GP-PUMP CONTROL
HEAD GP-PUMP CONTROL
126-2136 HEAD GP-PUMP CONTROL
COVER GP-PUMP CONTROL
123-2011 COVER GP-PUMP CONTROL
DRIVE GP-SWING
161-7809 DRIVE GP-SWING
DRIVE GP-SWING
162-3686 DRIVE GP-SWING
FILTER GP-HYDRAULIC
184-3930 FILTER GP-HYDRAULIC
FILTER GP-HYDRAULIC
126-2075 FILTER GP-HYDRAULIC
FILTER GP-HYDRAULIC
188-4147 FILTER GP-HYDRAULIC

Truck sale:

CATERPILLAR 321B 2003
$55,000 USD 
CATERPILLAR 321B 2003
- TRACK EXCAVATORS
GREGORY POOLE
4807 Beryl Road P. O. Box 469 (27602) - Raleigh
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