BRAKING SYSTEM
ACCUMULATOR GPBRAKE GP
CONTROL GP
LINES GP
BRAKING SYSTEM
ACCUMULATOR GP#SEBP38490600
350-5572: ACCUMULATOR GP-BRAKE
350-5572 ACCUMULATOR GP-BRAKE -CHARGED
S/N BTW1-UP
PART OF 353-4296, 357-2000 CONVERSION AR-MACHINE
Type 2
FIELD REPLACEMENT ORDER @@@@@356-1972@@@@@
S/N BTW1-UP
PART OF 353-4296, 357-2000 CONVERSION AR-MACHINE
Type 2
FIELD REPLACEMENT ORDER @@@@@356-1972@@@@@
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 222-2367 C | [1] | VALVE GP-ACCUMULATOR CHARGING | |
| 190-3850 | [1] | CORE | ||
| 2. | 111-9110 | [1] | PROTECTOR-GAS VALVE | |
| 3. | 241-0037 | [1] | FILM-INFORMATION (HYDRAULIC ACCUMULATOR) | |
| 4. | 1J-9671 | [1] | SEAL-O-RING | |
| 5. | 5M-3062 | [2] | BOLT (3/8-16X0.75-IN) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 170-0493 | [1] | KIT-SEAL (HYDRAULIC ACCUMULATOR) | ||
| (INCLUDES O-RING SEALS, BACKUP WASHERS, PISTON RINGS & PISTON SEAL) | ||||
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP38490601
356-1972: ACCUMULATOR GP-BRAKE
356-1972 ACCUMULATOR GP-BRAKE -UNCHARGED
S/N BTW1-UP
FIELD REPLACEMENT FOR @@@@@350-5572@@@@@
S/N BTW1-UP
FIELD REPLACEMENT FOR @@@@@350-5572@@@@@
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 222-2367 | [1] | VALVE GP-ACCUMULATOR CHARGING (BRAKE) | |
| 190-3850 | [1] | CORE | ||
| 2. | 111-9110 | [1] | PROTECTOR-GAS VALVE | |
| 3. | 241-0037 | [1] | FILM-INFORMATION (HYDRAULIC ACCUMULATOR) | |
| 4. | 1J-9671 | [1] | SEAL-O-RING | |
| 5. | 5M-3062 | [2] | BOLT (3/8-16X0.75-IN) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 170-0493 | [1] | KIT-SEAL (HYDRAULIC ACCUMULATOR) | ||
| (INCLUDES O-RING SEALS, BACKUP WASHERS,PISTON RINGS & PISTON SEAL) | ||||
#SEBP38490602
170-4618: BRAKE GP-PARKING
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 236-8675 | [7] | DISC-FRICTION | |
| 2. | 3S-1262 | [1] | RETAINER | |
| 3. | 4B-4158 | [4] | SCREW-DRIVE (NO 4X0.25-IN) | |
| 4. | 4E-8540 | [1] | PLATE-RETAINING | |
| 5. | 201-1425 | [3] | PISTON | |
| 6. | 257-7857 | [1] | SHAFT-BRAKE | |
| 7. | 5H-3701 | [1] | SCREW-PURGE | |
| 8. | 7S-4002 | [1] | PLATE-WARNING (BRAKE) | |
| 9. | 7V-5231 | [1] | HUB | |
| 10. | 146-3748 | [1] | CAGE AS-BEARING | |
| 8S-0490 | [4] | SHAFT | ||
| 11. | 162-9733 | [1] | PLATE | |
| 12. | 201-1426 | [1] | HOUSING-BRAKE | |
| 13. | 169-4670 | [9] | SPRING | |
| 14. | 201-1424 | [6] | SPACER (13.9X21.3X97.2-MM THK) | |
| 15. | 170-6712 | [3] | RING-BACKUP | |
| 16. | 171-1391 | [3] | SEAL | |
| 17. | 172-0844 | [6] | PLATE-CLUTCH | |
| 18. | 177-1483 | [1] | SEAL-LIP TYPE | |
| 19. | 2H-2665 | [1] | SEAL-O-RING | |
| 20. | 3K-2518 | [1] | BALL BEARING | |
| 21. | 3K-2556 | [1] | RING-RETAINING | |
| 22. | 6V-5696 M | [1] | BOLT (M12X1.75X80-MM) | |
| 23. | 7K-9204 | [3] | SEAL-LIP TYPE | |
| 24. | 7X-2558 M | [2] | BOLT (M16X2X150-MM) | |
| 25. | 8T-4139 M | [3] | BOLT (M12X1.75X30-MM) | |
| 26. | 8T-4223 | [9] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 27. | 8T-5001 M | [6] | BOLT (M12X1.75X130-MM) | |
| 28. | 8T-6385 M | [17] | BOLT (M16X2X180-MM) | |
| 29. | 9X-8257 | [19] | WASHER (17.5X30X3.5-MM THK) | |
| 30. | 6V-6640 B | SEALANT | ||
| B | USE AS REQUIRED | |||
| M | METRIC PART | |||
#SEBP38490603
294-7730: BRAKE GP-PARKING
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 236-8675 | [6] | DISC-FRICTION | |
| 2. | 3S-1262 | [1] | RETAINER | |
| 3. | 4B-4158 | [4] | SCREW-DRIVE (NO 4X0.25-IN) | |
| 4. | 4E-8540 | [1] | PLATE-RETAINING | |
| 5. | 5H-3701 | [1] | SCREW-PURGE | |
| 6. | 7S-4002 | [1] | PLATE-WARNING (BRAKE) | |
| 7. | 7V-5231 | [1] | HUB | |
| 8. | 146-3748 | [1] | CAGE AS-BEARING | |
| 8S-0490 | [4] | SHAFT | ||
| 9. | 162-9733 | [1] | PLATE | |
| 10. | 169-4670 | [9] | SPRING | |
| 11. | 172-0844 | [7] | PLATE-CLUTCH | |
| 12. | 177-1483 | [1] | SEAL-LIP TYPE | |
| 13. | 201-1424 | [6] | SPACER (13.9X21.3X97.2-MM THK) | |
| 14. | 201-1425 | [3] | PISTON | |
| 15. | 201-1426 | [1] | HOUSING-BRAKE | |
| 16. | 257-7857 | [1] | SHAFT-BRAKE | |
| 17. | 170-6712 | [3] | RING-BACKUP | |
| 18. | 171-1391 | [3] | SEAL | |
| 19. | 2H-2665 | [1] | SEAL-O-RING | |
| 20. | 3K-2518 | [1] | BALL BEARING | |
| 21. | 3K-2556 | [1] | RING-RETAINING | |
| 22. | 6V-5696 M | [1] | BOLT (M12X1.75X80-MM) | |
| 23. | 7K-9204 | [3] | SEAL-LIP TYPE | |
| 24. | 7X-2558 M | [2] | BOLT (M16X2X150-MM) | |
| 25. | 8T-4139 M | [3] | BOLT (M12X1.75X30-MM) | |
| 26. | 8T-4223 | [9] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 27. | 8T-5001 M | [6] | BOLT (M12X1.75X130-MM) | |
| 28. | 8T-6385 M | [17] | BOLT (M16X2X180-MM) | |
| 29. | 9X-8257 | [19] | WASHER (17.5X30X3.5-MM THK) | |
| 30. | 6V-6640 B | SEALANT | ||
| B | USE AS REQUIRED | |||
| M | METRIC PART | |||
#SEBP38490604
294-7730: BRAKE GP-PARKING
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 236-8675 | [6] | DISC-FRICTION | |
| 2. | 3S-1262 | [1] | RETAINER | |
| 4. | 4E-8540 | [1] | PLATE-RETAINING | |
| 5. | 5H-3701 | [1] | SCREW-PURGE | |
| 7. | 7V-5231 | [1] | HUB | |
| 8. | 146-3748 | [1] | CAGE AS-BEARING | |
| 8S-0490 | [4] | SHAFT | ||
| 9. | 162-9733 | [1] | PLATE | |
| 10. | 169-4670 | [9] | SPRING | |
| 11. | 172-0844 | [7] | PLATE-CLUTCH | |
| 12. | 177-1483 | [1] | SEAL-LIP TYPE | |
| 13. | 201-1424 | [6] | SPACER (13.9X21.3X97.2-MM THK) | |
| 14. | 201-1425 | [3] | PISTON | |
| 15. | 201-1426 | [1] | HOUSING-BRAKE | |
| 16. | 257-7857 | [1] | SHAFT-BRAKE | |
| 17. | 170-6712 | [3] | RING-BACKUP | |
| 18. | 171-1391 | [3] | SEAL | |
| 19. | 2H-2665 | [1] | SEAL-O-RING | |
| 20. | 3K-2518 | [1] | BALL BEARING | |
| 21. | 3K-2556 | [1] | RING-RETAINING | |
| 22. | 6V-5696 M | [1] | BOLT (M12X1.75X80-MM) | |
| 23. | 7K-9204 | [3] | SEAL-LIP TYPE | |
| 24. | 7X-2558 M | [2] | BOLT (M16X2X150-MM) | |
| 25. | 8T-4139 M | [3] | BOLT (M12X1.75X30-MM) | |
| 26. | 8T-4223 | [9] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 27. | 8T-5001 M | [6] | BOLT (M12X1.75X130-MM) | |
| 28. | 8T-6385 M | [17] | BOLT (M16X2X180-MM) | |
| 29. | 9X-8257 | [19] | WASHER (17.5X30X3.5-MM THK) | |
| 30. | 6V-6640 B | SEALANT | ||
| B | USE AS REQUIRED | |||
| M | METRIC PART | |||
#SEBP38490605
241-8930: BRAKE GP-SERVICE
241-8930 BRAKE GP-SERVICE
S/N BTW1-UP
PART OF 240-5664 AXLE AR-FIXED, 240-5665, 366-7858 AXLE AR-OSCILLATING
S/N BTW1-UP
PART OF 240-5664 AXLE AR-FIXED, 240-5665, 366-7858 AXLE AR-OSCILLATING
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4B-1382 | [3] | PLATE-SPRING CAP | |
| 2. | 5H-3701 | [1] | SCREW-PURGE | |
| 3. | 8V-3609 | [6] | SPRING-RETRACTOR | |
| 4. | 9U-1734 | [1] | PISTON | |
| 5. | 493-3796 | [4] | DISC-FRICTION | |
| 6. | 9U-1739 | [5] | PLATE-OUTER | |
| 7. | 9U-1741 | [1] | RING-RETAINING | |
| 8. | 9U-1742 | [1] | SEAL-O-RING | |
| 9. | 104-7006 | [4] | DOWEL-HOLLOW | |
| 10. | 132-6532 | [1] | HUB | |
| 11. | 241-8635 | [1] | ANCHOR-BRAKE | |
| 12. | 241-8636 | [1] | PLATE | |
| 13. | 115-5658 | [1] | SEAL | |
| 14. | 2R-1230 | [3] | RING-RETAINING | |
| 15. | 3K-0360 | [6] | SEAL-O-RING | |
| 16. | 5M-6200 | [1] | SEAL-O-RING | |
| 17. | 6M-9155 | [6] | PIN | |
| 18. | 7V-8346 | [6] | SPRING-GUIDE | |
| 19. | 8T-0722 M | [2] | BOLT-LOCKING (M10X1.5X30-MM) | |
| 20. | 8T-4121 | [2] | WASHER-HARD (11X21X2.5-MM THK) | |
| 21. | 9M-5892 | [1] | SEAL-O-RING | |
| 22. | 9S-4185 | [2] | PLUG (3/4-16-THD) | |
| 23. | 9S-8005 | [4] | PLUG (3/4-16-THD) | |
| M | METRIC PART | |||
#SEBP38490606
287-1717: BRAKE GP-SERVICE
287-1717 BRAKE GP-SERVICE
S/N BTW1-UP
CUSTOM
PART OF 287-1887 AXLE AR-FIXED, 368-5024 AXLE AR-OSCILLATING
S/N BTW1-UP
CUSTOM
PART OF 287-1887 AXLE AR-FIXED, 368-5024 AXLE AR-OSCILLATING
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5H-3701 | [1] | SCREW-PURGE | |
| 2. | 8V-3609 | [6] | SPRING-RETRACTOR | |
| 3. | 9U-1734 | [1] | PISTON | |
| 4. | 493-3796 | [4] | DISC-FRICTION | |
| 5. | 9U-1739 | [5] | PLATE-OUTER | |
| 6. | 9U-1741 | [1] | RING-RETAINING | |
| 7. | 9U-1742 | [1] | SEAL-O-RING | |
| 8. | 104-7006 | [4] | DOWEL-HOLLOW | |
| 9. | 132-6532 | [1] | HUB | |
| 10. | 241-8635 | [1] | ANCHOR-BRAKE | |
| 11. | 241-8636 | [1] | PLATE | |
| 12. | 115-5658 | [1] | SEAL | |
| 13. | 3K-0360 | [5] | SEAL-O-RING | |
| 14. | 5M-6200 | [1] | SEAL-O-RING | |
| 15. | 6M-9155 | [6] | PIN | |
| 16. | 7V-8346 | [6] | SPRING-GUIDE | |
| 17. | 8T-0722 M | [2] | BOLT-LOCKING (M10X1.5X30-MM) | |
| 18. | 8T-4121 | [2] | WASHER-HARD (11X21X2.5-MM THK) | |
| 19. | 9M-5892 | [1] | SEAL-O-RING | |
| 20. | 9S-4185 | [2] | PLUG (3/4-16-THD) | |
| 21. | 9S-8005 | [3] | PLUG (3/4-16-THD) | |
| M | METRIC PART | |||
#SEBP38490607
250-9458: CONTROL GP-FOOT BRAKE
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS#SEBP38490608
4E-6401: CONTROL GP-PARKING BRAKE
4E-6401 CONTROL GP-PARKING BRAKE
S/N BTW1-UP
PART OF 234-5964, 281-4121 CAB AR
S/N BTW1-UP
PART OF 234-5964, 281-4121 CAB AR
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 122-1671 | [1] | KNOB | |
| 2. | 5C-2874 M | [1] | NUT (M5X0.8-THD) | |
| 3. | 3E-6367 | [1] | CABLE AS-PARKING BRAKE CONTROL | |
| 4. | 5C-2890 M | [1] | NUT (M6X1-THD) | |
| 5. | 096-0067 | [1] | PIN-CLEVIS | |
| 6. | 5B-9192 | [1] | PIN-COTTER | |
| 7. | 9U-0830 | [1] | END-YOKE ROD | |
| 8. | 3S-2093 | [2] | STRAP-CABLE | |
| 9. | 9U-0178 | [1] | BRACKET | |
| 10. | 9U-0200 | [1] | BLOCK | |
| 11. | 5C-7261 M | [2] | NUT (M8X1.25-THD) | |
| 8T-4224 | [2] | WASHER-HARD (8.8X16X2-MM THK) | ||
| M | METRIC PART | |||
#SEBP38490609
235-0630: LINES GP-PARKING BRAKE
Parts for your 844H WHEEL DOZER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1A-4790 B | [4] | WASHER (16.7X31.8X1.6-MM THK) | |
| 2. | 2V-7859 | [1] | BEARING | |
| 3. | 3B-4607 | [1] | PIN-COTTER | |
| 4. | 4B-2913 | [1] | PIN-CLEVIS | |
| 5. | 4V-1541 | [1] | COLLAR | |
| 6. | 5B-2183 | [1] | NUT-JAM (9/16-18-THD) | |
| 7. | 5P-6724 | [1] | BEARING-ROLLER | |
| 8. | 7I-4078 | [1] | LEVER AS | |
| 9. | 8T-0741 | [2] | SEAL-LIP TYPE | |
| 10. | 164-7472 | [1] | VALVE GP-CHECK (PARKING BRAKE) | |
| 6V-8397 | [2] | SEAL-O-RING | ||
| 9T-4543 | [1] | VALVE GP-CHECK | ||
| 11. | 9U-1475 I | [1] | HOSE AS | |
| 12. | 173-3293 I | [1] | HOSE AS | |
| 13. | 8W-4197 I | [1] | HOSE AS | |
| 14. | 103-3587 | [1] | BRACKET AS | |
| 15. | 103-8983 | [1] | TUBE AS | |
| 16. | 106-1774 Y | [1] | VALVE GP-BRAKE CONTROL (PARKING) | |
| 17. | 148-8424 | [2] | TEE AS | |
| (EACH INCLUDES) | ||||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 8T-8902 | [1] | ADAPTER-TEE | ||
| 18. | 150-4027 | [1] | TEE AS | |
| 3E-2310 | [1] | TEE | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 19. | 164-5567 | [1] | COUPLER AS-QUICK DISCONNECT (MALE) | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | ||
| 20. | 174-4312 | [1] | SWITCH AS-PRESSURE (PARKING BRAKE OIL) | |
| 102-8803 | [1] | KIT-RECEPTACLE (3-PIN) | ||
| (INCLUDES RECEPTACLE & WEDGE) | ||||
| 3E-3371 | [1] | WEDGE-RECEPTACLE LOCK (3-PIN) | ||
| 8T-8729 | [3] | PIN-CONNECTOR (16-GA TO 18-GA) | ||
| 21. | 223-8425 | [1] | BLOCK AS | |
| 22. | 223-8470 | [1] | STRIP | |
| 23. | 148-8336 | [3] | CONNECTOR AS | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-8636 | [1] | CONNECTOR | ||
| 24. | 148-8367 | [1] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-9850 | [1] | ELBOW | ||
| 25. | 149-5452 | [1] | UNION AS (STRAIGHT) | |
| 6V-8397 | [2] | SEAL-O-RING | ||
| 6V-8994 | [1] | UNION (STRAIGHT) | ||
| 26. | 150-4050 | [1] | ELBOW AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 8T-0788 | [1] | ELBOW | ||
| 27. | 171-7085 | [1] | SWITCH AS-LIMIT (PARKING BRAKE) | |
| 9X-1386 BE | SLEEVE | |||
| 3E-3377 | [1] | WEDGE-RECEPTACLE LOCK (4-PIN) | ||
| 102-8804 | [1] | KIT-RECEPTACLE (4-PIN) | ||
| (INCLUDES RECEPTACLE & WEDGE) | ||||
| 8T-8729 | [4] | PIN-CONNECTOR (16-GA TO 18-GA) | ||
| 28. | 3J-1907 | [1] | SEAL-O-RING | |
| 29. | 5C-2890 M | [4] | NUT (M6X1-THD) | |
| 30. | 6V-0852 | [1] | CAP-DUST (HYDRAULIC TEST PORT) | |
| 32. | 6V-9168 | [1] | NUT (11/16-16-THD) | |
| 33. | 7S-1912 | [1] | CLIP | |
| 34. | 8T-4139 M | [1] | BOLT (M12X1.75X30-MM) | |
| 35. | 8T-4189 M | [2] | BOLT (M8X1.25X20-MM) | |
| 36. | 8T-4192 M | [2] | BOLT (M12X1.75X25-MM) | |
| 37. | 8T-4223 | [3] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 38. | 8T-4224 | [2] | WASHER-HARD (8.8X16X2-MM THK) | |
| 39. | 8T-4971 M | [2] | BOLT (M6X1X30-MM) | |
| 40. | 8D-9671 | [1] | CLIP | |
| 41. | 148-8378 | [1] | ELBOW AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-8724 | [1] | ELBOW | ||
| 42. | 165-4931 | [1] | ELBOW AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8077 | [1] | ELBOW | ||
| B | USE AS REQUIRED | |||
| E | ORDER BY THE CENTIMETER | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
Information:
BRAKING SYSTEM
ACCUMULATOR GP
Operation and Maintenance Manual
Special Instruction
Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}
Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}
Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}
Specifications
Tool Operating Manual
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
Systems Operation
Testing and Adjusting
Disassembly and Assembly


