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307-1696 PUMP GP-PISTON -MAIN HYDRAULIC S/N F7B1-UP PART OF 378-8858 PUMP & MTG GP-HYDRAULIC 521B TRACK FELLER BUNCHER


HYDRAULIC SYSTEM
PUMP GP
SWIVEL GP
MOTOR GP
SWIVEL GP
FUEL SYSTEM
TANK GP-FUEL

TRACK FELLER BUNCHER 521B TRACK FELLER BUNCHER F7B
 521B TRACK FELLER BUNCHER F7B00001-UP (MACHINE) POWERED BY C9 Engine SEBP5122 521B F7B   (2011)

HYDRAULIC SYSTEM

PUMP GP
PUMP & MTG GP-SAW
339-8359 PUMP & MTG GP-SAW
PUMP GP-PISTON
268-8259 PUMP GP-PISTON
PUMP GP-PISTON
307-1696 PUMP GP-PISTON
ROTATING GP-PUMP
283-5977 ROTATING GP-PUMP
ROTATING GP-PUMP
283-5978 ROTATING GP-PUMP
ROTATING GP-PUMP
283-5979 ROTATING GP-PUMP
 

#SEBP51220400
 

307-1696: PUMP GP-PISTON

307-1696 PUMP GP-PISTON -MAIN HYDRAULIC
S/N F7B1-UP
PART OF 378-8858 PUMP & MTG GP-HYDRAULIC
i02731011 SEBP5122
3071696 PUMP GP-PISTON Parts scheme
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-0991 [1] BALL BEARING  
2. 081-3801 [3] PLUG AS  
    (EACH INCLUDES)
  126-9092 [1] SEAL  
3. 188-4094 [2] BEARING  
4. 177-2484 [1] KEY-WOODRUFF  
5. 177-2480 [1] GEAR  
6. 242-6775 [1] SHAFT  
7. 188-4093 [1] HOUSING  
8. 8T-8441 M [4] BOLT-SOCKET HEAD (M12X1.75X25-MM)  
9. 2W-1145 [1] RING-RETAINING (INTERNAL)  
10. 177-2482 [1] SHIM (1-MM THK)  
11. 124-9913 [1] SEAL-SHAFT  
12. 283-5977 Y [1] ROTATING GP-PUMP (MAIN HYDRAULIC)  
13. 9T-3928 [1] PLUG AS (PISTON MOTOR)  
  187-8001 [1] SEAL  
14. 283-5978 Y [1] ROTATING GP-PUMP (MAIN HYDRAULIC)  
15. 5F-3106 [1] SEAL-O-RING  
16. 198-3818 [1] FLANGE  
17. 5F-3144 [1] SEAL-O-RING  
18. 2D-5658 [1] BALL BEARING  
19. 198-3817 [1] GEAR (46-TEETH)  
20. 308-4488 Y [1] HEAD GP-PUMP (MAIN HYDRAULIC)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220401
 

283-5977: ROTATING GP-PUMP

283-5977 ROTATING GP-PUMP -MAIN HYDRAULIC
S/N F7B1-UP
PART OF 307-1696 PUMP GP-PISTON
i02616188 SEBP5122
2835977 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 216-0036 [1] SHAFT  
2. 177-2500 [1] BEARING  
3. 177-2487 B [1] SHIM (3.3-MM THK)  
  177-2488 B [1] SHIM (3.4-MM THK)  
  177-2489 B [1] SHIM (3.5-MM THK)  
4. 177-2499 [1] BEARING AS  
5. 283-5979 Y [1] ROTATING GP-PUMP (MAIN HYDRAULIC)  
6. 194-8261 [1] PLATE-VALVE  
7. 177-2491 B [1] PLATE (2.6-MM THK)  
  177-2492 B [1] PLATE (2.65-MM THK)  
  177-2493 B [1] PLATE (2.7-MM THK)  
  177-2494 B [1] PLATE (2.75-MM THK)  
  177-2495 B [1] PLATE (2.8-MM THK)  
  177-2496 B [1] PLATE (2.85-MM THK)  
  177-2497 B [1] PLATE (2.9-MM THK)  
  177-2498 B [1] PLATE (2.95-MM THK)  
8. 127-8987 [1] RING-RETAINING  
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220402
 

283-5978: ROTATING GP-PUMP

283-5978 ROTATING GP-PUMP -MAIN HYDRAULIC
S/N F7B1-UP
PART OF 307-1696 PUMP GP-PISTON
i02616208 SEBP5122
2835978 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 177-2491 B [1] PLATE (2.6-MM THK)  
  177-2492 B [1] PLATE (2.65-MM THK)  
  177-2493 B [1] PLATE (2.7-MM THK)  
  177-2494 B [1] PLATE (2.75-MM THK)  
  177-2495 B [1] PLATE (2.8-MM THK)  
  177-2496 B [1] PLATE (2.85-MM THK)  
  177-2497 B [1] PLATE (2.9-MM THK)  
  177-2498 B [1] PLATE (2.95-MM THK)  
2. 283-5979 Y [1] ROTATING GP-PUMP (MAIN HYDRAULIC)  
3. 194-8263 [1] PLATE-VALVE  
4. 216-0037 [1] SHAFT  
5. 188-4103 [1] BEARING AS  
6. 177-2513 B [1] SHIM (6.2-MM THK)  
  177-2514 B [1] SHIM (6.3-MM THK)  
  177-2515 B [1] SHIM (6.4-MM THK)  
  177-2516 B [1] SHIM (6.5-MM THK)  
  177-2517 B [1] SHIM (6.6-MM THK)  
7. 177-2500 [1] BEARING  
8. 127-8987 [1] RING-RETAINING  
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220403
 

283-5979: ROTATING GP-PUMP

283-5979 ROTATING GP-PUMP -MAIN HYDRAULIC
S/N F7B1-UP
PART OF 283-5977, 283-5978 ROTATING GP-PUMP
i02608309 SEBP5122
2835979 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 283-5980 [7] PISTON AS  
    (EACH INCLUDES)
  283-5981 [2] RING-SEAL  
2. 177-2502 [1] PIN  
3. 188-4097 [1] BARREL  
4. 247-8851 [1] KIT-SPACER (PUMP ROTATING GROUP)  
5. 177-2510 [4] SPRING  
6. 177-2511 [1] PLATE  
7. 216-0029 M [14] SCREW (M6X20-MM)  
  M   METRIC PART
 

#SEBP51220404
 

4I-6262: ROTOR GP-SWIVEL

4I-6262 ROTOR GP-SWIVEL
S/N F7B1-UP
PART OF 159-5871 SWIVEL GP
i00369110 SEBP5122
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4I-6263 Y [1] ROTOR GP-SWIVEL  
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220405
 

4I-6263: ROTOR GP-SWIVEL

4I-6263 ROTOR GP-SWIVEL
S/N F7B1-UP
PART OF 4I-6262 ROTOR GP-SWIVEL
i00540219 SEBP5122
4I6263 ROTOR GP-SWIVEL Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4139 M [5] BOLT (M12X1.75X30-MM)  
2. 8T-4223 [5] WASHER-HARD (13.5X25.5X3-MM THK)  
3. 7Y-4804 [1] PLATE  
4. 1U-8846 B SEALANT-GASKET  
5. 7Y-4803 [1] ROTOR  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP51220406
 

191-0886: SHAFT GP-HYDRAULIC MOTOR

191-0886 SHAFT GP-HYDRAULIC MOTOR
S/N F7B1-UP
PART OF 190-8121 ROTATING GP-MOTOR
i01502569 SEBP5122
1910886 SHAFT GP-HYDRAULIC MOTOR Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 191-1955 [1] KIT-BEARING  
2. 095-0929 [1] RING-RETAINING  
 

#SEBP51220407
 

159-5871: SWIVEL GP

159-5871 SWIVEL GP -WITHOUT TILT FUNCTION
S/N F7B1-UP
PART OF 339-8348 LINES GP-TRAVEL MOTOR
i02293747 SEBP5122
1595871 SWIVEL GP Parts scheme
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Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4136 M [6] BOLT (M10X1.5X25-MM)  
2. 8T-4121 [3] WASHER-HARD (11X21X2.5-MM THK)  
3. 7Y-4817 [1] COVER  
4. 095-1716 [1] SEAL-O-RING  
5. 7I-7131 [1] RETAINER  
6. 7Y-4801 [1] HOUSING  
7. 141-2163 [5] SEAL AS  
8. 095-1625 [3] SEAL-O-RING  
9. 4I-6262 Y [1] ROTOR GP-SWIVEL  
10. 8T-6759 C [1] PLUG-PIPE  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220408
 

339-8296: TANK GP-HYDRAULIC & FUEL

339-8296 TANK GP-HYDRAULIC & FUEL
S/N F7B1-UP
PART OF 362-3899 CHASSIS AR
Type 1
i04464061 SEBP5122
3398296 TANK GP-HYDRAULIC & FUEL Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1H-8306 [1] SCREW-PURGE (1/2-20X1.625-IN)  
2. 1U-2827 [1] GUIDE-VALVE (HYDRAULIC TANK DRAIN)  
3. 4I-0378 [1] GASKET-RUBBER  
4. 246-2641 [1] PADLOCK GP  
  5P-8500 [1] KEY  
5. 6E-3635 [1] RETAINER  
6. 349-7059 [1] CAP AS-FUEL (LOCKABLE, VENTED)  
  350-7735 [1] KIT-CAP FILTER (FUEL TANK)  
    (INCLUDES BREATHERS, SCREWS & WASHERS)
  7D-7111 [1] SEAL-O-RING  
7. 8J-8782 [1] BODY-DRAIN VALVE  
8. 8J-8783 [1] VALVE-DRAIN (HYDRAULIC TANK DRAIN)  
9. 9J-7031 [1] PLUG-DRAIN (HYDRAULIC TANK)  
10. 093-1588 [2] COVER  
11. 4H-6520 [1] SEAL-O-RING  
12. 188-4145 Y [2] FILTER GP-OIL (HYDRAULIC RETURN)  
13. 384-5243 [2] ROD  
14. 396-0751 [1] SCREEN AS (HYDRAULIC TANK)  
  5H-5672 [1] SEAL-O-RING  
16. 315-4441 [1] SWITCH AS-PRESSURE (HYDRAULIC OIL)(HYDRAULIC OIL)  
17. 340-5937 [1] HANDLE  
18. 340-5939 [1] PLATE  
19. 341-1842 [1] SENDER AS-FUEL LEVEL  
  102-8802 [1] KIT-RECEPTACLE (2-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
  8T-8729 [2] PIN-CONNECTOR (16-GA TO 18-GA)  
20. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
21. 358-9477 [1] VALVE AS (BREAKER)(HYDRAULIC TANK)  
  3D-2824 [1] SEAL-O-RING  
22. 361-5271 [1] TANK AS-HYDRAULIC & FUEL  
23. 361-5312 [1] PLATE  
24. 378-7766 [1] MANIFOLD  
25. 378-7767 [1] PIPE  
26. 378-7768 [1] PIPE  
27. 095-0736 M [5] SCREW-MACHINE (M5X0.8X10-MM)  
28. 095-1706 [1] SEAL-O-RING  
29. 095-1730 [2] SEAL-O-RING  
30. 130-2321 [3] WASHER (13.5X25.5X3-MM THK)  
31. 148-8406 [1] PLUG AS  
  7M-8485 [1] SEAL-O-RING  
  9S-9334 [1] PLUG  
32. 165-3256 [1] PIPE AS  
33. 175-6176 [2] SEAL-O-RING  
34. 1H-8278 [2] SEAL-O-RING  
35. 260-9188 [1] PLUG  
36. 304-6608 [1] STRAINER-FUEL (FUEL TANK)  
37. 4H-9027 [1] PLUG-PIPE  
38. 5H-6005 [3] SEAL-O-RING  
39. 5M-2057 [1] SEAL-O-RING  
40. 6D-9157 [1] SEAL-O-RING  
41. 6V-3668 M [3] BOLT (M12X1.75X30-MM)  
42. 6V-6787 M [8] BOLT (M20X2.5X55-MM)  
43. 6V-7743 M [2] LOCKNUT (M6X1-THD)  
44. 7B-3039 [1] SPRING  
45. 8T-0267 M [2] BOLT-SOCKET HEAD (M6X1X12-MM)  
46. 8T-0328 [5] WASHER-HARD (5.5X10X1-MM THK)  
47. 8T-3298 [1] SEAL-RECTANGULAR  
48. 8T-4121 [15] WASHER-HARD (11X21X2.5-MM THK)  
49. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
50. 8T-4137 M [12] BOLT (M10X1.5X20-MM)  
51. 8T-4186 M [2] BOLT (M10X1.5X40-MM)  
52. 8T-4194 M [16] BOLT (M12X1.75X50-MM)  
53. 8T-4201 M [1] BOLT-LOCKING (M10X1.5X20-MM)  
54. 8T-4223 [16] WASHER-HARD (13.5X25.5X3-MM THK)  
55. 8T-5439 [8] WASHER-HARD (21.5X45X6-MM THK)  
56. 8T-7586 M [11] BOLT (M10X1.5X100-MM)  
57. 8T-7964 M [2] NUT (M6X1-THD)  
58. 5P-5970 D SEAL (0.7-M)  
58A. 5P-5970 D SEAL (0.4-M)  
58B. 5P-5970 D SEAL (1.3-M EACH)  
58C. 5P-5970 D SEAL (1.1-M)  
  D   ORDER BY THE METER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP51220409
 

339-8296: TANK GP-HYDRAULIC & FUEL

339-8296 TANK GP-HYDRAULIC & FUEL
S/N F7B1-UP
PART OF 362-3899 CHASSIS AR
Type 2
i07249755 SEBP5122
3398296 TANK GP-HYDRAULIC & FUEL Parts scheme
  For full view, you need register

Parts for your 521B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1H-8306 [1] SCREW-PURGE (1/2-20X1.625-IN)  
2. 1U-2827 [1] GUIDE-VALVE (HYDRAULIC TANK DRAIN)  
3. 4I-0378 [1] GASKET-RUBBER  
4. 246-2641 [1] PADLOCK GP  
  5P-8500 [1] KEY  
5. 6E-3635 [1] RETAINER  
6. 349-7059 [1] CAP AS-FUEL (LOCKABLE, VENTED)  
  350-7735 [1] KIT-CAP FILTER (FUEL TANK)  
    (INCLUDES BREATHERS, SCREWS & WASHERS)
  7D-7111 [1] SEAL-O-RING  
7. 8J-8782 [1] BODY-DRAIN VALVE  
8. 8J-8783 [1] VALVE-DRAIN (HYDRAULIC TANK DRAIN)  
9. 9J-7031 [1] PLUG-DRAIN (HYDRAULIC TANK)  
10. 093-1588 [2] COVER  
11. 4H-6520 [1] SEAL-O-RING  
12. 188-4145 Y [2] FILTER GP-OIL (HYDRAULIC RETURN)  
13. 384-5243 [2] ROD  
14. 396-0751 [1] SCREEN AS (HYDRAULIC TANK)  
  5H-5672 [1] SEAL-O-RING  
16. 315-4441 [1] SWITCH AS-PRESSURE (HYDRAULIC OIL)  
17. 340-5937 [1] HANDLE  
18. 340-5939 [1] PLATE  
19. 525-7103 C [1] SENDER AS-FUEL LEVEL  
  102-8802 [1] KIT-RECEPTACLE (2-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
  9X-3401 [2] PIN-CONNECTOR (16-GA TO 18-GA)  
20. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
21. 507-0644 [1] BREATHER AS (HYDRAULIC TANK)  
  3D-2824 [1] SEAL-O-RING  
22. 361-5271 [1] TANK AS-HYDRAULIC & FUEL  
23. 361-5312 [1] PLATE  
24. 378-7766 [1] MANIFOLD  
25. 378-7767 [1] PIPE  
26. 378-7768 [1] PIPE  
27. 6V-9674 CM [5] SCREW-MACHINE (M5X0.8X14-MM)  
28. 095-1706 [1] SEAL-O-RING  
29. 095-1730 [2] SEAL-O-RING  
30. 130-2321 [3] WASHER (13.5X25.5X3-MM THK)  
31. 148-8406 [1] PLUG AS  
  7M-8485 [1] SEAL-O-RING  
  9S-9334 [1] PLUG  
32. 165-3256 [1] PIPE AS  
33. 175-6176 [2] SEAL-O-RING  
34. 1H-8278 [2] SEAL-O-RING  
35. 260-9188 [1] PLUG  
36. 304-6608 [1] STRAINER-FUEL (FUEL TANK)  
37. 4H-9027 [1] PLUG-PIPE  
38. 5H-6005 [3] SEAL-O-RING  
39. 5M-2057 [1] SEAL-O-RING  
40. 6D-9157 [1] SEAL-O-RING  
41. 6V-3668 M [3] BOLT (M12X1.75X30-MM)  
42. 6V-6787 M [8] BOLT (M20X2.5X55-MM)  
43. 6V-7743 M [2] LOCKNUT (M6X1-THD)  
44. 7B-3039 [1] SPRING  
45. 8T-0267 M [2] BOLT-SOCKET HEAD (M6X1X12-MM)  
46. 8T-0328 [5] WASHER-HARD (5.5X10X1-MM THK)  
47. 8T-3298 [1] SEAL-RECTANGULAR  
48. 8T-4121 [15] WASHER-HARD (11X21X2.5-MM THK)  
49. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
50. 8T-4137 M [12] BOLT (M10X1.5X20-MM)  
51. 8T-4186 M [2] BOLT (M10X1.5X40-MM)  
52. 8T-4194 M [16] BOLT (M12X1.75X50-MM)  
53. 8T-4201 M [1] BOLT-LOCKING (M10X1.5X20-MM)  
54. 8T-4223 [16] WASHER-HARD (13.5X25.5X3-MM THK)  
55. 8T-5439 [8] WASHER-HARD (21.5X45X6-MM THK)  
56. 8T-7586 M [11] BOLT (M10X1.5X100-MM)  
57. 8T-7964 M [2] NUT (M6X1-THD)  
58. 5P-5970 D SEAL (0.7-M)  
58A. 5P-5970 D SEAL (0.4-M)  
58B. 5P-5970 D SEAL (1.3-M EACH)  
58C. 5P-5970 D SEAL (1.1-M)  
  C   CHANGE FROM PREVIOUS TYPE
  D   ORDER BY THE METER
  M   METRIC PART
  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}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Grab, Accumulate, and Wrist Pressure Adjustment Procedure for HF201B and HF221A Felling Heads on Certain Track Feller Bunchers{5051, 5057, 5070, 5264, 5479}
Grab, Accumulate, and Wrist Pressure Adjustment Procedure for HF201B and HF221A Felling Heads on Certain Track Feller Bunchers{5051, 5057, 5070, 5264, 5479}
Track Feller Buncher IQAN Software version 4.5 and version 5.3{1408, 5057, 5070, 7490, 7610, 7620}
Track Feller Buncher IQAN Software version 4.5 and version 5.3{1408, 5057, 5070, 7490, 7610, 7620}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REWORKING THE CONTROL VALVE RELIEF PRESSURES ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE CONTROL VALVE RELIEF PRESSURES ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS
Service Letter-CSARL
Specifications
Hydraulic Tank Fill Pump and Motor
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Main Hydraulic)
521B and 522B Track Feller Bunchers Machine Systems
Solenoid Valve (Pump Control)
521B and 522B Track Feller Bunchers Machine Systems
Pump Head (Main Hydraulic)
521B and 522B Track Feller Bunchers Machine Systems
Pump Coupling
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Saw) - Felling Head
521B and 522B Track Feller Bunchers Machine Systems
Hood Tilt Pump and Motor
521B and 522B Track Feller Bunchers Machine Systems
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
Gear Pump (Pilot)
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Main Hydraulic)
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Saw)
521B and 522B Track Feller Bunchers Machine Systems
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
521B and 522B Track Feller Bunchers Machine Systems
Pump Flow - Test
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump Low Pressure Standby - Test
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump Margin Pressure - Test
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Constant Horsepower Flow Control) - Test and Adjust
521B and 522B Track Feller Bunchers Machine Systems
Pump Control (Output Flow) - Adjust
521B and 522B Track Feller Bunchers Machine Systems
Relief Valve (Hood Tilt Pump and Motor) - Test and Adjust
521B and 522B Track Feller Bunchers Machine Systems
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}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Disassembly and Assembly
Piston Pump (Saw) - Disassemble
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Saw) - Assemble
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Main Hydraulic) - Disassemble
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Main Hydraulic) - Assemble
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Main Hydraulic) - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Gear Pump (Pilot) - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Piston Pump (Saw) - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Hood Tilt Pump and Motor - Remove and Install
521B and 522B Track Feller Bunchers Engine Supplement
Service Magazine
A Procedure to Adjust the Pressure of the Grab, Accumulate, and Wrist Control Valves on Certain Track Feller Bunchers Equipped with Certain Felling Heads Is Now Used {5051, 5057, 5070, 5264, 5479}
2013/09/12

Caterpillar Parts SIS Catalog 521B :

PUMP GP-PISTON
268-8259 PUMP GP-PISTON
PUMP & MTG GP-SAW
339-8359 PUMP & MTG GP-SAW
PUMP & MTG GP-HYDRAULIC
378-8858 PUMP & MTG GP-HYDRAULIC
PUMP & MOTOR GP-HYD TANK FILL
354-1825 PUMP & MOTOR GP-HYD TANK FILL
PUMP & MOTOR GP-HOOD TILT
363-1809 PUMP & MOTOR GP-HOOD TILT
245-9873 PLUG GP-HYDRAULIC LINES
LINES GP-TRAVEL MOTOR
339-8348 LINES GP-TRAVEL MOTOR
LINES GP-STICK
383-6290 LINES GP-STICK
ROTATING GP-PUMP
283-5977 ROTATING GP-PUMP
ROTATING GP-PUMP
283-5978 ROTATING GP-PUMP
ROTATING GP-PUMP
283-5979 ROTATING GP-PUMP
4I-6262 ROTOR GP-SWIVEL
ROTOR GP-SWIVEL
4I-6263 ROTOR GP-SWIVEL
SHAFT GP-HYDRAULIC MOTOR
191-0886 SHAFT GP-HYDRAULIC MOTOR
SWIVEL GP
159-5871 SWIVEL GP
TANK GP-HYDRAULIC & FUEL
339-8296 TANK GP-HYDRAULIC & FUEL

Truck sale:

Caterpillar 521B
 
Caterpillar 521B
- Knuckleboom loaders
ZIEGLER CAT
Caterpillar 521B
 
Caterpillar 521B
- Feller Bunchers
MILTON CAT
Caterpillar 521B
 
Caterpillar 521B
- Feller Bunchers
MILTON CAT
Caterpillar 521B
 
Caterpillar 521B
- Feller Bunchers
PETERSON CAT
CATERPILLAR 521B 2015
 
CATERPILLAR 521B 2015
- FORESTRY - FELLER BUNCHERS - TRACK
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
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