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156-7878 PUMP & MTG GP-HYDRAULIC S/N 1PZ1-UP PART OF 156-6222 HYDRAULIC AR 539 KNUCKLEBOOM LOADER


HYDRAULIC SYSTEM
PUMP GP

KNUCKLEBOOM LOADER 539 KNUCKLEBOOM LOADER 1PZ
 539 Knuckle Boom Loader 1PZ00001-UP (MACHINE) POWERED BY 3126 Engine SEBP2823 539 1PZ   (1998)

HYDRAULIC SYSTEM

PUMP GP
HEAD GP-PUMP
178-3015 HEAD GP-PUMP
PUMP & MTG GP-HYDRAULIC
156-7878 PUMP & MTG GP-HYDRAULIC
PUMP GP-GEAR
126-2083 PUMP GP-GEAR
PUMP GP-GEAR
133-6896 PUMP GP-GEAR
PUMP GP-GEAR
133-6899 PUMP GP-GEAR
 

#SEBP28230230
 

156-7878: PUMP & MTG GP-HYDRAULIC

156-7878 PUMP & MTG GP-HYDRAULIC
S/N 1PZ1-UP
PART OF 156-6222 HYDRAULIC AR
i00981915 SEBP2823
1567878 PUMP & MTG GP-HYDRAULIC Parts scheme
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-1659 Y [1] COUPLING GP-PUMP  
2. 162-0321 Y [1] PUMP GP-PISTON (IMPLEMENT)  
3. 8T-4121 [12] WASHER-HARD (11X21X2.5-MM THK)  
4. 8T-4195 M [12] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP28230231
 

126-2083: PUMP GP-GEAR

126-2083 PUMP GP-GEAR
S/N 1PZ1-UP
PART OF 133-6911 PUMP GP-GEAR
FIELD REPLACEMENT ORDER @@@@@133-6911@@@@@
i00513873 SEBP2823
1262083 PUMP GP-GEAR Parts scheme
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-6509 [1] SEAL-O-RING  
2. 7X-2538 M [2] BOLT (M8X1.25X100-MM)  
3. 8T-4189 M [2] BOLT (M8X1.25X20-MM)  
4. 7J-9108 [1] SEAL-O-RING  
  M   METRIC PART
 

#SEBP28230232
 

133-6896: PUMP GP-GEAR

133-6896 PUMP GP-GEAR
S/N 1PZ1-UP
PART OF 133-6911 PUMP GP-GEAR
i00650955 SEBP2823
1336896 PUMP GP-GEAR Parts scheme
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4908 M [2] BOLT (M8X1.25X25-MM)  
2. 7X-2538 M [2] BOLT (M8X1.25X100-MM)  
3. 133-6899 Y [1] PUMP GP-GEAR  
4. 7J-9108 [1] SEAL-O-RING  
5. 107-4057 [1] SEAL-O-RING  
6. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP28230233
 

133-6899: PUMP GP-GEAR

133-6899 PUMP GP-GEAR
S/N 1PZ1-UP
PART OF 133-6896 PUMP GP-GEAR
i00781430 SEBP2823
1336899 PUMP GP-GEAR Parts scheme
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4189 M [2] BOLT (M8X1.25X20-MM)  
2. 117-7273 [1] SEAL-O-RING  
  M   METRIC PART
 

#SEBP28230234
 

133-6911: PUMP GP-GEAR

133-6911 PUMP GP-GEAR
S/N 1PZ1-UP
PART OF 178-3971 PUMP GP-PISTON
FIELD REPLACEMENT FOR @@@@@126-2083@@@@@
i00649037 SEBP2823
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  126-2083 Y [1] PUMP GP-GEAR  
    -OR-
  133-6896 Y [1] PUMP GP-GEAR  
  Y   SEPARATE ILLUSTRATION
 

#SEBP28230235
 

179-3625: PUMP GP-GEAR

179-3625 PUMP GP-GEAR
S/N 1PZ202-UP
PART OF 201-7431 LINES GP-HYDRAULIC
Type 1
AN ATTACHMENT
i01183163 SEBP2823
1793625 PUMP GP-GEAR Parts scheme
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4T-9300 [3] BUSHING-TERMINAL  
2. 136-9623 [1] GEAR-DRIVE (15-TEETH)  
3. 6J-2386 [2] DOWEL  
4. 133-6578 [1] SEAL-O-RING  
5. 4T-8729 [2] PLATE-PRESSURE  
6. [1] PLATE-ISOLATION  
7. 8T-8917 [8] BOLT (1/2-13X1.25-IN)  
8. 136-9624 [1] KIT-SEAL  
9. 4T-9176 [1] GEAR (10-TEETH)  
10. 136-9621 [1] FLANGE AS  
11. 4T-9425 [1] PLATE-ISOLATION  
12. 137-0193 [1] BODY AS  
13. 4T-9299 [1] BUSHING-TERMINAL  
 

#SEBP28230236
 

179-3625: PUMP GP-GEAR

179-3625 PUMP GP-GEAR
S/N 1PZ202-UP
PART OF 201-7431 LINES GP-HYDRAULIC
Type 2
AN ATTACHMENT
i07045358 SEBP2823
1793625 PUMP GP-GEAR Parts scheme
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4T-9300 [3] BUSHING-TERMINAL  
2. 136-9623 [1] GEAR-DRIVE (15-TEETH)  
3. 6J-2386 [2] DOWEL  
4. 133-6578 [1] SEAL-O-RING  
5. 364-6561 C [1] PLATE-PRESSURE (BOTTOM)  
6. 364-6560 C [1] PLATE-PRESSURE (TOP)  
7. 8T-8917 [8] BOLT (1/2-13X1.25-IN)  
8. 137-0193 C [1] BODY AS  
9. 4T-9176 [1] GEAR (10-TEETH)  
10. 136-9621 C [1] FLANGE AS  
11. 4T-9299 [1] BUSHING-TERMINAL  
   
    AVAILABLE REPAIR KIT(S):
  136-9624 [1] KIT-SEAL (GEAR PUMP)  
    (INCLUDES RETAINER RINGS, BACKUP RINGS & O-RINGS)
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP28230237
 

162-0321: PUMP GP-PISTON

162-0321 PUMP GP-PISTON
S/N 1PZ1-UP
IMPLEMENT
PART OF 156-7878 PUMP & MTG GP-HYDRAULIC
i01193565 SEBP2823
1620321 PUMP GP-PISTON Parts scheme
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 178-3015 Y [1] HEAD GP-PUMP  
2. 178-3971 Y [1] PUMP GP-PISTON  
3. 087-4748 [1] PLATE  
4. 113-2001 M [4] BOLT-SOCKET HEAD (M12X1.75X25-MM)  
5. 2H-9247 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP28230238
 

178-3971: PUMP GP-PISTON

178-3971 PUMP GP-PISTON
S/N 1PZ1-UP
PART OF 162-0321 PUMP GP-PISTON
i01193567 SEBP2823
1783971 PUMP GP-PISTON Parts scheme
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 087-4781 Y [1] ROTATING GP-PUMP  
2. 087-4780 Y [1] ROTATING GP-PUMP  
3. 133-6911 Y [1] PUMP GP-GEAR  
4. 178-4138 [1] HOUSING  
5. 9T-3375 [1] COVER-FRONT  
6. 9T-3408 [1] GEAR  
7. 099-5818 [1] SHAFT-STUB  
8. 095-0946 [1] RING-RETAINING  
9. 9T-3869 [1] SEAL  
10. 4M-0189 [1] SEAL-O-RING  
11. 9T-3928 [1] PLUG AS  
12. 9T-3726 [3] PLUG  
13. 9T-3879 [1] BEARING AS-CYLINDER  
14. 9T-5915 [1] KEY-RECTANGULAR  
15. 9T-3882 [1] BEARING AS  
  Y   SEPARATE ILLUSTRATION
 

#SEBP28230239
 

087-4780: ROTATING GP-PUMP

087-4780 ROTATING GP-PUMP
S/N 1PZ1-UP
PART OF 178-3971 PUMP GP-PISTON
i00463400 SEBP2823
0874780 ROTATING GP-PUMP Parts scheme
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Parts for your 539 KNUCKLEBOOM LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 099-5865 [1] PLATE-VALVE  
2. 087-4782 Y [1] ROTATING GP-PUMP  
3. 099-5864 [1] SHAFT-PINION  
4. 9T-3873 [1] BEARING AS  
5. 9T-3876 [1] BEARING AS  
6. 9T-2004 [1] LOCKNUT-BEARING  
7. 9T-3376 B [1] SHIM (2.7-MM THK)(2.7MM THICK)  
  9T-3377 B [1] SHIM (2.8-MM THK)(2.8MM THICK)  
  9T-3378 B [1] SHIM (2.9-MM THK)(2.9MM THICK)  
  9T-3379 B [1] SHIM (3-MM THK)(3.0MM THICK)  
  9T-3380 B [1] SHIM (3.1-MM THK)(3.1MM THICK)  
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Specifications
Piston Pump (Implement)
539 Knuckleboom Loader Hydraulic System
Pump Control
539 Knuckleboom Loader Hydraulic System
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}
Systems Operation
Piston Pump (Implement)
539 Knuckleboom Loader Hydraulic System
Gear Pump (Pilot)
539 Knuckleboom Loader Hydraulic System
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Testing and Adjusting
Hydraulic System Air - Purge
539 Knuckleboom Loader Hydraulic System
Pump Flow - Test
539 Knuckleboom Loader Hydraulic System
Piston Pump Low Pressure Standby - Test
539 Knuckleboom Loader Hydraulic System
Piston Pump Margin Pressure - Test
539 Knuckleboom Loader Hydraulic System
Pump Control (Torque Limiter) Pressure - Test and Adjust
539 Knuckleboom Loader Hydraulic System
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Disassembly and Assembly
Piston Pump (Implement) - Disassemble
539 Knuckleboom Loader Machine Systems
Piston Pump (Implement) - Remove
539 Knuckleboom Loader Machine Systems
Piston Pump (Implement) - Assemble
539 Knuckleboom Loader Machine Systems
Piston Pump (Implement) - Install
539 Knuckleboom Loader Machine Systems
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 539 :

MOTOR GP-PISTON
178-3590 MOTOR GP-PISTON
MOTOR GP-PISTON
175-0470 MOTOR GP-PISTON
160-7289 MOTOR GP-PISTON
LINES GP-SWING MOTOR
156-7889 LINES GP-SWING MOTOR
LINES GP-STICK CYLINDER
156-7914 LINES GP-STICK CYLINDER
LINES GP-STICK CYLINDER
156-7914 LINES GP-STICK CYLINDER
LINES GP-STICK
156-7886 LINES GP-STICK
LINES GP-RETURN
156-7887 LINES GP-RETURN
PUMP GP-GEAR
126-2083 PUMP GP-GEAR
PUMP GP-GEAR
133-6896 PUMP GP-GEAR
PUMP GP-GEAR
133-6899 PUMP GP-GEAR
133-6911 PUMP GP-GEAR
PUMP GP-GEAR
179-3625 PUMP GP-GEAR
PUMP GP-GEAR
179-3625 PUMP GP-GEAR
PUMP GP-PISTON
162-0321 PUMP GP-PISTON
PUMP GP-PISTON
178-3971 PUMP GP-PISTON

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