2577730 KIT-POPPET Caterpillar parts
420E, 430E, 432E, 434E, 442E, 444E, 450E, 450F, 953D
Rating:
Alternative (cross code) number:
CA2577730
257-7730
2577730
CA2577730
257-7730
2577730
Weight: 0.12 pounds 0 kg.
BACKHOE LOADER, TRACK LOADER,
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2025-09-04
2025-06-17
2024-09-11
2020-11-19
2020-01-03
2019-04-26
Compatible equipment models: 2577730:
Information:
Illustration 41 g00619358
Attach a suitable lifting device to the differential and bevel gear. Turn over the differential and bevel gear. Use Tooling (F) to tighten adjusting nut (26). Tighten adjusting nut (26) until a zero backlash position has been achieved. Loosen adjusting nut (26) by 1/2 of a turn.
Illustration 42 g00619359
Use Tooling (G) to tighten adjusting nut (25) while the differential and bevel gear are rotated. Tighten adjusting nut (25) until the rolling torque exceeds the measurement in Step 48.
Use Tooling (G) to tighten adjusting nut (25) until a rolling torque of 5.6 N m (50 lb in) to 9.3 N m (82 lb in) is achieved. The rolling torque should be reduced by 50% for bearings with more than 100 service hours. Tighten the nut until the correct rolling torque is reached. No end play should exist in the assembly.Note: When you replace the pinion shaft bearings with new bearings, there is a risk of premature failure of the bearings when the bearings are subject to high speeds prior to normal break-in. Operate the machine for 10 hours in first gear or second gear. Do not operate the machine in third gear during the break-in period.
Illustration 43 g00619360
Use Tooling (H) to check the backlash. The backlash for the differential and bevel gear should be 0.48 0.15 mm (.019 .006 inch).
If the backlash is not within specifications, loosen one adjustment nut and tighten the opposite adjustment nut equally. This will keep the bearing preload.
Illustration 44 g00619361
When the proper backlash is obtained, tighten bolts (24) to a torque of 460 70 N m (340 52 lb ft). Turn the bolts by an additional 180 10 degrees after the bolts have been torqued.
Illustration 45 g00315875
Illustration 46 g00315877
Illustration 47 g00315878
Check the tooth contact pattern of the pinion and the bevel gear.
Place a small amount of Prussian blue, red lead, or paint on the teeth of the bevel gear.
Rotate the pinion in both directions.
Proper tooth contact between the pinion and the bevel gear should look like Illustration 45.
The correct tooth contact starts near the inside of the bevel gear and extended 25 to 50 percent of the tooth.
If the tooth contact pattern looks like Illustration 46, use the following procedure:
Remove some of shims (16) from the housing.
Repeat Steps 49 through 53 in order to check the backlash.
Repeat Step 55 in order to check the tooth contact pattern.
If the tooth contact pattern looks like Illustration 47, use the following procedure:
Add some of shims (16) to the housing.
Repeat Steps 49 through 53 in order to check the backlash.
Repeat Step 55 in order to check the tooth contact pattern.
Illustration 48 g00618850
Install bolt (21), the washer, and lock (22) onto cap (23) .
Illustration 49 g00618849
Install bolt (18), the washer, and lock (19) to cap (20) .
Illustration 50 g00618835
Install O-ring seal (5) to retainer (2) .
Illustration 51 g00618834
Use Tooling (J) (not shown) to install lip seal (4) to retainer (2) .
Illustration 52 g00618833
Attach a suitable lifting device to the differential and bevel gear. Position the differential and bevel gear in an upright position.
Install retainer
Cat SIS web machinery list:
Parts kit Caterpillar catalog:
2959893
KIT-SEAL
420E, 420F, 432E, 434E
420E, 420F, 432E, 434E
3790117
KIT-HYD CYLINDER SEAL
420E, 428E, 430E, 432E, 442E
420E, 428E, 430E, 432E, 442E
3160675
KIT-REGULATOR
420F, 430F, 432E, 434E, 442E, 444E
420F, 430F, 432E, 434E, 442E, 444E
3544754
KIT-WATER PUMP
120M, 12M, 2470C, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 420E, 430E, 450E, 553C, 559, 613G, 914G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, 963D, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG...
120M, 12M, 2470C, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 420E, 430E, 450E, 553C, 559, 613G, 914G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, 963D, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG...
2785225
KIT-SENSOR
120M, 12M, 2470C, 320D GC, 320D L, 323D L, 420E, 430E, 450E, 553C, 559, 613G, 914G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, 963D, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG500E, BG600D, BG655D, C4.4...
120M, 12M, 2470C, 320D GC, 320D L, 323D L, 420E, 430E, 450E, 553C, 559, 613G, 914G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, 963D, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG500E, BG600D, BG655D, C4.4...
3113858
KIT-SENSOR
120M, 12M, 2470C, 320D GC, 320D L, 323D L, 420E, 430E, 450E, 553C, 559, 613G, 914G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, 963D, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG500E, BG600D, BG655D, C4.4...
120M, 12M, 2470C, 320D GC, 320D L, 323D L, 420E, 430E, 450E, 553C, 559, 613G, 914G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, 963D, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG500E, BG600D, BG655D, C4.4...
3507735
KIT-CAP FILTER
120K, 120K 2, 120M, 120M 2, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M, 2290, 2390, 2391, 2470C, 2491, 24M, 257...
120K, 120K 2, 120M, 120M 2, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M, 2290, 2390, 2391, 2470C, 2491, 24M, 257...
3645145
KIT-WASHER
120M 2, 2384C, 2484C, 2570C, 2670C, 312E, 312E L, 314E CR, 314E LCR, 316E L, 318E L, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D2 L, 323E L, 324E, 324E L, 324E LN, 329E, 3...
120M 2, 2384C, 2484C, 2570C, 2670C, 312E, 312E L, 314E CR, 314E LCR, 316E L, 318E L, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D2 L, 323E L, 324E, 324E L, 324E LN, 329E, 3...
3601978
KIT-BEARING
120M, 120M 2, 12M, 2384C, 2470C, 2484C, 2570C, 2670C, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D2 L, 323E L, 324E, 324E L, 324E LN, 329E, 329E L,...
120M, 120M 2, 12M, 2384C, 2470C, 2484C, 2570C, 2670C, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D2 L, 323E L, 324E, 324E L, 324E LN, 329E, 329E L,...
3601564
KIT-BEARING
120M, 120M 2, 12M, 2384C, 2470C, 2484C, 2570C, 2670C, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D2 L, 323E L, 324E, 324E L, 324E LN, 329E, 329E L,...
120M, 120M 2, 12M, 2384C, 2470C, 2484C, 2570C, 2670C, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323D L, 323D2 L, 323E L, 324E, 324E L, 324E LN, 329E, 329E L,...
2767388
KIT-BEARING
120M, 12M, 2470C, 324E, 324E L, 324E LN, 329E, 329E L, 329E LN, 553C, 559, 613G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, AP-600D, AP-655D, BG600D, BG655D, C6.6, C7.1, CP-56, CP-64, CP-76, CS-56, CS-56B,...
120M, 12M, 2470C, 324E, 324E L, 324E LN, 329E, 329E L, 329E LN, 553C, 559, 613G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, AP-600D, AP-655D, BG600D, BG655D, C6.6, C7.1, CP-56, CP-64, CP-76, CS-56, CS-56B,...
2767389
KIT-BEARING
120M, 12M, 2470C, 329E, 329E LN, 553C, 559, 613G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, AP-600D, AP-655D, BG600D, BG655D, C6.6, CP-56, CP-64, CP-76, CS-56, CS-56B, CS-64, CS-74, CS-74B, CS-78B, D5R LG...
120M, 12M, 2470C, 329E, 329E LN, 553C, 559, 613G, 924H, 924HZ, 928H, 928HZ, 938H, 953D, AP-600D, AP-655D, BG600D, BG655D, C6.6, CP-56, CP-64, CP-76, CS-56, CS-56B, CS-64, CS-74, CS-74B, CS-78B, D5R LG...
2577734
KIT-COVER
420E, 430E, 432E, 434E, 442E, 444E, 450E, 450F, 953D, D5R LGP, D6K, D6K LGP, D6K XL, D6K2, D6K2 LGP, D6N, D6N LGP
420E, 430E, 432E, 434E, 442E, 444E, 450E, 450F, 953D, D5R LGP, D6K, D6K LGP, D6K XL, D6K2, D6K2 LGP, D6N, D6N LGP
2570448
KIT-FASTENER
420E, 430E, 432E, 434E, 442E, 444E, 450E, 450F
420E, 430E, 432E, 434E, 442E, 444E, 450E, 450F
2570447
KIT-FASTENER
420E, 430E, 432E, 434E, 442E, 444E, 450E, 450F
420E, 430E, 432E, 434E, 442E, 444E, 450E, 450F
2570446
KIT-FASTENER
420E, 430E, 432E, 434E, 442E, 444E
420E, 430E, 432E, 434E, 442E, 444E
2570453
KIT-FASTENER
420E, 430E, 432E, 434E, 442E, 444E, 450E, 450F
420E, 430E, 432E, 434E, 442E, 444E, 450E, 450F
2512429
KIT-SEAL
420E, 430E, 432E, 434E, 442E, 444E, 450E, CB-534D, CB-564D
420E, 430E, 432E, 434E, 442E, 444E, 450E, CB-534D, CB-564D
2577739
KIT-COVER
420E, 430E, 450E, 450F
420E, 430E, 450E, 450F
2577741
KIT-ACTUATOR
420E, 430E, 450E, 450F
420E, 430E, 450E, 450F
3069205
KIT-SOLENOID
420E, 430E, 450E, 450F
420E, 430E, 450E, 450F
2474981
KIT-BOOT
416E, 416F, 420E, 420F, 422E, 422F, 424B, 428E, 428F, 430E, 430F, 434E, 434F, 450E, 450F
416E, 416F, 420E, 420F, 422E, 422F, 424B, 428E, 428F, 430E, 430F, 434E, 434F, 450E, 450F
2525069
KIT-ACTUATOR
420E, 430E, 450E, 450F
420E, 430E, 450E, 450F
2525068
KIT-COVER
420E, 430E, 450E, 450F
420E, 430E, 450E, 450F