BASIC ENGINE
AIR COMPRESSOR GPCRANKSHAFT GP
BELT TIGHTENER GP
BASIC ENGINE
AIR COMPRESSOR GP#SEBP27220020
143-4924: AIR COMPRESSOR GP
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-4358 | [1] | FLANGE | |
| 2. | 6D-1004 | [1] | GASKET | |
| 3. | 8T-6764 | [1] | PLUG-PIPE (1/8-27-THD) | |
| 4. | 6V-0387 | [1] | PLUG-PIPE | |
| 5. | 4P-3977 | [1] | GASKET-CYLINDER HEAD | |
| 6. | 7E-8928 | [1] | GASKET | |
| 7. | 6V-1820 M | [2] | BOLT (M10X1.5X30-MM) | |
| 8. | 6V-5839 | [2] | WASHER (11X21X2.5-MM THK) | |
| 9. | 7E-8924 | [1] | PISTON & ROD AS | |
| AVAILABLE REPAIR KIT(S): | ||||
| 7E-8923 | [1] | KIT-CRANKSHAFT BEARING (AIR COMPRESSOR) | ||
| (INCLUDES: GASKET-BASE, CYL HEAD, SEAL-FRONT COVER, O-RING INSERT-BEARING, SLOTTED WASHER-REAR,FRONT WASHER-REAR,FRONT) | ||||
| 7E-8926 | [1] | KIT-CYLINDER HEAD (AIR COMPRESSOR) | ||
| (INCLUDES: GASKET-UNLOADER, GOV, STRAINER, DISCHARGE, INLET, CYL HEAD, SPRING-UNLOADER, INLET, DIS-VALVE PISTON-UNLOADER | ||||
| STOP-SEAT-DIS-VALVE,INLET) | ||||
| 7E-8925 | [1] | KIT-STANDARD RING (AIR COMPRESSOR) | ||
| (INCLUDES: RINGS-PISTONS,PSTN, PISTONS,PSTN SPACERS | ||||
| 150-5146 | [1] | KIT-UNLOADER (AIR COMPRESSOR) | ||
| M | METRIC PART | |||
#SEBP27220021
148-7222: AIR COMPRESSOR GP
148-7222 AIR COMPRESSOR GP
S/N 8HW1-474
PROVIDES TU-FLO 750 COMPRESSOR WITHOUT GOVERNOR AIR INLET IN TOP OF HEAD
CANNOT BE USED WITH AIR LINES
ALSO AN ATTACHMENT
S/N 8HW1-474
PROVIDES TU-FLO 750 COMPRESSOR WITHOUT GOVERNOR AIR INLET IN TOP OF HEAD
CANNOT BE USED WITH AIR LINES
ALSO AN ATTACHMENT
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 135-9819 | [1] | SEAL-INTEGRAL | |
| 2. | 4P-5106 | [1] | BRACKET | |
| 3. | 8T-4136 M | [3] | BOLT (M10X1.5X25-MM) | |
| 4. | 8T-4195 M | [2] | BOLT (M10X1.5X30-MM) | |
| 5. | 8T-4121 | [5] | WASHER-HARD (11X21X2.5-MM THK) | |
| 6. | 6V-5696 M | [2] | BOLT (M12X1.75X80-MM) | |
| 7. | 5P-8245 | [2] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 8. | 7C-3179 | [1] | GEAR (50-TEETH) | |
| 9. | 143-4924 Y | [1] | AIR COMPRESSOR GP | |
| 10. | 090-7055 I | [1] | HOSE AS | |
| 11. | 5P-4479 | [1] | ELBOW (FLARED-LONG) | |
| 12. | 6B-6682 | [1] | NUT-FULL (3/4-16-THD) | |
| 13. | 7X-0521 | [1] | WASHER-HARD (20X36.5X5-MM THK) | |
| 14. | 030-7946 | [1] | ELBOW | |
| 15. | 3J-7354 | [1] | SEAL-O-RING | |
| 16. | 6D-3479 | [1] | CLIP | |
| 17. | 8T-6764 | [1] | PLUG-PIPE (1/8-27-THD) | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP27220022
148-7222: AIR COMPRESSOR GP
148-7222 AIR COMPRESSOR GP
S/N 8HW475-UP
PROVIDES TU-FLO 750 COMPRESSOR WITHOUT GOVERNOR AIR INLET IN TOP OF HEAD
CANNOT BE USED WITH AIR LINES
ALSO AN ATTACHMENT
S/N 8HW475-UP
PROVIDES TU-FLO 750 COMPRESSOR WITHOUT GOVERNOR AIR INLET IN TOP OF HEAD
CANNOT BE USED WITH AIR LINES
ALSO AN ATTACHMENT
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 135-9819 | [1] | SEAL-INTEGRAL | |
| 2. | 4P-5106 | [1] | BRACKET | |
| 3. | 8T-4136 M | [3] | BOLT (M10X1.5X25-MM) | |
| 4. | 8T-4195 M | [2] | BOLT (M10X1.5X30-MM) | |
| 5. | 8T-4121 | [5] | WASHER-HARD (11X21X2.5-MM THK) | |
| 6. | 6V-5696 M | [2] | BOLT (M12X1.75X80-MM) | |
| 7. | 5P-8245 | [2] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 8. | 7C-3179 | [1] | GEAR (50-TEETH) | |
| 9. | 164-7559 CY | [1] | AIR COMPRESSOR GP | |
| 10. | 200-1196 I | [1] | HOSE AS | |
| 11. | 2N-1287 | [1] | ELBOW-FLARED | |
| 12. | 6B-6682 | [1] | NUT-FULL (3/4-16-THD) | |
| 13. | 7X-0521 | [1] | WASHER-HARD (20X36.5X5-MM THK) | |
| 14. | 8C-6866 | [1] | CONNECTOR | |
| 15. | 061-7538 | [1] | SEAL-O-RING | |
| 16. | 6D-3479 | [1] | CLIP | |
| 17. | 8T-6764 | [1] | PLUG-PIPE (1/8-27-THD) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP27220023
149-4915: AIR COMPRESSOR GP
149-4915 AIR COMPRESSOR GP
13.2 CFM AT 1250 RPM. TU-FLO 550
PART OF 126-8216 AIR COMPRESSOR GP
AN ATTACHMENT
13.2 CFM AT 1250 RPM. TU-FLO 550
PART OF 126-8216 AIR COMPRESSOR GP
AN ATTACHMENT
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-4358 | [1] | FLANGE | |
| 2. | 6D-1004 | [1] | GASKET | |
| 3. | 8T-6757 | [1] | PLUG-PIPE | |
| 4. | 141-1546 | [1] | PLUG-PIPE | |
| 5. | 4P-3977 | [1] | GASKET-CYLINDER HEAD | |
| 6. | 7E-8928 | [1] | GASKET | |
| 7. | 6V-1820 M | [2] | BOLT (M10X1.5X30-MM) | |
| 8. | 6V-5839 | [2] | WASHER (11X21X2.5-MM THK) | |
| 9. | 4P-3966 | [1] | PISTON & ROD AS | |
| 10. | 128-7759 | [1] | ADAPTER AS | |
| 128-7761 | [3] | BOLT | ||
| AVAILABLE REPAIR KIT(S): | ||||
| 7E-8923 | [1] | KIT-CRANKSHAFT BEARING (AIR COMPRESSOR) | ||
| (INCLUDES FRONT COVER SEAL, FRONT MAIN & REAR BEARINGS, FRONT & REAR WASHERS, | ||||
| BEARING INSERTS, SLOTTED INSERTS, O-RING SEAL, CYLINDER HEAD & BASE GASKETS) | ||||
| 164-7572 | [1] | KIT-RING (AIR COMPRESSOR) | ||
| (INCLUDES PISTON RINGS & SPACERS) | ||||
| 7E-8926 | [1] | KIT-CYLINDER HEAD (AIR COMPRESSOR) | ||
| (INCLUDES UNLOADER PISTONS, UNLOADER SPRINGS, UNLOADER O-RING, UNLOADER GASKET, INLET VALVES, INLET VALVE STOPS, | ||||
| INLET VALVE SEATS, INLET SPRINGS, INLET GASKETS, DISCHARGE VALVES, DISCHARGE VALVE SEATS, DISCHARGE VALVE SPRINGS, | ||||
| DISCHARGE GASKET, GOVERNOR GASKET, STRAINER GASKET, & CYLINDER HEAD GASKET) | ||||
| M | METRIC PART | |||
#SEBP27220024
156-9646: AIR COMPRESSOR GP
156-9646 AIR COMPRESSOR GP
FOR USE WITH @@@@@122-8931@@@@@, TU-FLO 550 COMPRESSOR WITH GOVERNOR, HIGH CAPACITY PUMPS, TOP OR SIDE AIR INLET
AN ATTACHMENT
FOR USE WITH @@@@@122-8931@@@@@, TU-FLO 550 COMPRESSOR WITH GOVERNOR, HIGH CAPACITY PUMPS, TOP OR SIDE AIR INLET
AN ATTACHMENT
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4N-9679 | [1] | GOVERNOR AS-AIR COMPRESSOR | |
| 2S-2923 | [1] | COVER AS | ||
| 2. | 4P-5106 | [1] | BRACKET | |
| 3. | 4P-5389 | [1] | VALVE AS-RELIEF (PRESSURE PURGE)(AIR COMPRESSOR) | |
| 4. | 6L-1883 | [1] | GASKET | |
| 5. | 200-1196 I | [1] | HOSE AS | |
| 6. | 135-9819 | [1] | SEAL-INTEGRAL | |
| 7. | 178-9497 Y | [1] | AIR COMPRESSOR GP | |
| 8. | 193-4711 | [1] | GEAR (50-TEETH) | |
| 9. | 8C-6866 | [1] | CONNECTOR | |
| 10. | 2N-1287 | [1] | ELBOW-FLARED | |
| 11. | 061-7538 | [1] | SEAL-O-RING | |
| 12. | 4L-7318 | [2] | LOCKWASHER | |
| 13. | 4M-6424 | [2] | BOLT (5/16-18X3-IN) | |
| 14. | 5P-8245 | [2] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 15. | 6D-3479 | [1] | CLIP | |
| 16. | 6V-5696 M | [2] | BOLT (M12X1.75X80-MM) | |
| 17. | 6V-7742 M | [1] | NUT-FULL (M20X2.5-THD) | |
| 18. | 8T-3282 | [1] | WASHER-HARD (22X35X3.5-MM THK) | |
| 19. | 8T-4121 | [5] | WASHER-HARD (11X21X2.5-MM THK) | |
| 20. | 8T-4136 M | [3] | BOLT (M10X1.5X25-MM) | |
| 21. | 8T-4195 M | [2] | BOLT (M10X1.5X30-MM) | |
| 22. | 8T-6757 | [3] | PLUG-PIPE | |
| AVAILABLE REPAIR KIT(S): | ||||
| 9M-0402 | [1] | KIT-GOVERNOR OVERHAUL (AIR COMPRESSOR) | ||
| (INCLUDES COVER, RING, GASKET, FILTER, SPRING, VALVE & GROMMETS) | ||||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP27220025
164-7559: AIR COMPRESSOR GP
164-7559 AIR COMPRESSOR GP
S/N 8HW475-UP
16.5 CFM AT 1250 RPM. TU-FLO 750
PART OF 148-7222 AIR COMPRESSOR GP
ALSO AN ATTACHMENT
S/N 8HW475-UP
16.5 CFM AT 1250 RPM. TU-FLO 750
PART OF 148-7222 AIR COMPRESSOR GP
ALSO AN ATTACHMENT
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-4358 | [1] | FLANGE | |
| 2. | 6D-1004 | [1] | GASKET | |
| 3. | 8T-6764 | [1] | PLUG-PIPE (1/8-27-THD) | |
| 4. | 6V-0387 | [1] | PLUG-PIPE | |
| 5. | 4P-3977 | [1] | GASKET-CYLINDER HEAD | |
| 6. | 7E-8928 | [1] | GASKET | |
| 7. | 6V-1820 M | [2] | BOLT (M10X1.5X30-MM) | |
| 8. | 6V-5839 | [2] | WASHER (11X21X2.5-MM THK) | |
| 9. | 7E-8924 | [1] | PISTON & ROD AS | |
| AVAILABLE REPAIR KIT(S): | ||||
| 7E-8923 | [1] | KIT-CRANKSHAFT BEARING (AIR COMPRESSOR) | ||
| (INCLUDES SEALS, BEARINGS, WASHERS, INSERTS & GASKETS) | ||||
| 7E-8926 | [1] | KIT-CYLINDER HEAD (AIR COMPRESSOR) | ||
| (INCLUDES GASKETS, PISTONS, SPRINGS, SEALS, VALVES & SEATS) | ||||
| 164-7572 | [1] | KIT-RING (AIR COMPRESSOR) | ||
| (INCLUDES STANDARD, SEGMENT, & SPACER RINGS) | ||||
| 150-5146 | [1] | KIT-UNLOADER (AIR COMPRESSOR) | ||
| M | METRIC PART | |||
#SEBP27220026
164-9605: AIR COMPRESSOR GP
164-9605 AIR COMPRESSOR GP
S/N 8HW454-552
REQUIRES AIR LINES GP AND WATER LINES GP
FOR USE WITH HIGH CAPACITY HYDRAULIC PUMPS, TOP AIR INLET, WITHOUT GOVERNOR
ALSO AN ATTACHMENT
S/N 8HW454-552
REQUIRES AIR LINES GP AND WATER LINES GP
FOR USE WITH HIGH CAPACITY HYDRAULIC PUMPS, TOP AIR INLET, WITHOUT GOVERNOR
ALSO AN ATTACHMENT
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4P-5106 | [1] | BRACKET | |
| 2. | 200-1196 I | [1] | HOSE AS | |
| 3. | 135-9819 | [1] | SEAL-INTEGRAL | |
| 4. | 178-9497 Y | [1] | AIR COMPRESSOR GP | |
| 5. | 193-4711 | [1] | GEAR (50-TEETH) | |
| 6. | 8C-6866 | [1] | CONNECTOR | |
| 7. | 2N-1287 | [1] | ELBOW-FLARED | |
| 8. | 061-7538 | [1] | SEAL-O-RING | |
| 9. | 5P-8245 | [2] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 10. | 6D-3479 | [1] | CLIP | |
| 11. | 6V-5696 M | [2] | BOLT (M12X1.75X80-MM) | |
| 12. | 6V-7742 M | [1] | NUT-FULL (M20X2.5-THD) | |
| 13. | 8T-3282 | [1] | WASHER-HARD (22X35X3.5-MM THK) | |
| 14. | 8T-4121 | [5] | WASHER-HARD (11X21X2.5-MM THK) | |
| 15. | 8T-4136 M | [3] | BOLT (M10X1.5X25-MM) | |
| 16. | 8T-4195 M | [2] | BOLT (M10X1.5X30-MM) | |
| 17. | 8T-6764 | [1] | PLUG-PIPE (1/8-27-THD) | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP27220027
178-9497: AIR COMPRESSOR GP
178-9497 AIR COMPRESSOR GP
S/N 8HW454-552
13.2 CFM AT 1250 RPM
PART OF 156-9646, 164-9605 AIR COMPRESSOR GP
FOR USE WITH TU-FLO 550 COMPRESSOR WITH DRIVE GEAR, 31MM DIAMETER SHAFT GAUGE
ALSO AN ATTACHMENT
S/N 8HW454-552
13.2 CFM AT 1250 RPM
PART OF 156-9646, 164-9605 AIR COMPRESSOR GP
FOR USE WITH TU-FLO 550 COMPRESSOR WITH DRIVE GEAR, 31MM DIAMETER SHAFT GAUGE
ALSO AN ATTACHMENT
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-4358 | [1] | FLANGE | |
| 2. | 6D-1004 | [1] | GASKET | |
| 3. | 8T-6764 | [1] | PLUG-PIPE (1/8-27-THD) | |
| 4. | 4P-3977 | [1] | GASKET-CYLINDER HEAD | |
| 5. | 7E-8928 | [1] | GASKET | |
| 6. | 6V-1820 M | [2] | BOLT (M10X1.5X30-MM) | |
| 7. | 6V-5839 | [2] | WASHER (11X21X2.5-MM THK) | |
| 8. | 4P-3966 | [1] | PISTON & ROD AS | |
| 9. | 128-7759 | [1] | ADAPTER AS | |
| 128-7760 | [1] | ADAPTER | ||
| 128-7761 | [1] | BOLT | ||
| AVAILABLE REPAIR KIT(S): | ||||
| 164-7572 | [1] | KIT-RING (AIR COMPRESSOR) | ||
| (INCLUDES RINGS) | ||||
| 7E-8926 | [1] | KIT-CYLINDER HEAD (AIR COMPRESSOR) | ||
| (INCLUDES GASKETS, SPRINGS, SEATS, VALVES, PISTON, O-RING & STOP) | ||||
| 180-5707 | [1] | KIT-BEARING | ||
| (INCLUDES GASKETS, WASHER, O-RING, BEARING & INSERT) | ||||
| M | METRIC PART | |||
#SEBP27220028
196-9519: BEARING GP-MAIN
196-9519 BEARING GP-MAIN
FIELD INSTALLATION
FIELD INSTALLATION
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 107-7708 | [6] | BEARING-MAIN (STANDARD) | ||
| 145-0162 AB | BEARING-MAIN (0.25-MM US) | |||
| 145-0164 AB | BEARING-MAIN (0.5-MM US) | |||
| 145-0168 AB | BEARING-MAIN (0.5-MM OS) | |||
| 145-0170 AB | BEARING-MAIN (0.5-MM OS, 0.5-MM US) | |||
| 212-4893 | [1] | BEARING-THRUST (STANDARD) | ||
| 229-5153 AB | BEARING-THRUST (0.25-MM US) | |||
| 229-5154 AB | BEARING-THRUST (0.5-MM US) | |||
| 229-5155 AB | BEARING-THRUST (0.5-MM OS) | |||
| 229-5156 AB | BEARING-THRUST (0.5-MM OS, 0.5-MM US) | |||
| A | NOT PART OF THIS GROUP | |||
| B | USE AS REQUIRED | |||
#SEBP27220029
124-7786: BELT TENSIONER GP
124-7786 BELT TENSIONER GP
S/N 8HW1-552
CANNOT BE USED WITH CUSTOMER SUPPLIED REFRIGERANT COMPRESSOR
ALSO AN ATTACHMENT
S/N 8HW1-552
CANNOT BE USED WITH CUSTOMER SUPPLIED REFRIGERANT COMPRESSOR
ALSO AN ATTACHMENT
Parts for your 3126 TRUCK ENGINE:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 120-7387 | [1] | BRACKET-MOUNTING | |
| 2. | 8T-4121 | [8] | WASHER-HARD (11X21X2.5-MM THK) | |
| 3. | 6V-5219 M | [3] | BOLT (M8X1.25X40-MM) | |
| 4. | 123-1719 | [1] | SUPPORT-COMPRESSOR | |
| 5. | 8C-5748 M | [1] | BOLT (M8X1.25X55-MM) | |
| 6. | 8T-4195 M | [2] | BOLT (M10X1.5X30-MM) | |
| 7. | 7E-3443 | [1] | BUSHING-TERMINAL | |
| 8. | 8T-4186 M | [1] | BOLT (M10X1.5X40-MM) | |
| 9. | 8T-4133 M | [3] | NUT (M10X1.5-THD) | |
| 10. | 217-8938 | [1] | BELT TENSIONER | |
| 11. | 8T-0643 M | [1] | BOLT (M10X1.5X80-MM) | |
| 12. | 9M-1974 | [4] | WASHER-HARD (8.8X16X2-MM THK) | |
| 13. | 6V-5839 | [1] | WASHER (11X21X2.5-MM THK) | |
| 14. | 7W-3872 | [2] | SLEEVE | |
| 15. | 8T-4185 M | [1] | BOLT (M10X1.5X50-MM) | |
| 16. | 8T-6466 M | [1] | BOLT (M10X1.5X60-MM) | |
| 17. | 175-3225 | [1] | BRACKET-PULLEY | |
| 18. | 175-3223 Y | [1] | PULLEY GP-IDLER | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
Information:
BASIC ENGINE
AIR COMPRESSOR GP
General Service Information
Truck Engine News
Special Instruction
Troubleshooting Compressed Air System Components and Performance{1803, 5500}
Troubleshooting Compressed Air System Components and Performance{1803, 5500}
Troubleshooting Compressed Air System Components and Performance{1803, 5500}
Specifications
Information Release Memo
REMANUFACTURED AIR-COMPRESSOR FOR 3126 ON-HIGHWAY TRUCK ENGINE
REMANUFACTURED AIR-COMPRESSOR FOR 3126 ON-HIGHWAY TRUCK ENGINE
REMANUFACTURED AIR-COMPRESSOR FOR 3126 ON-HIGHWAY TRUCK ENGINE
Disassembly and Assembly
Service Magazine
Caterpillar Parts SIS Catalog 3126 :
Truck sale:
On Request




