In stock
SKU: 9X3977
9X3977 Seal Ring fit Caterpillar
In stock
SKU: 9X3977
9X3977 Seal Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
$7.00
Delivery
Shipping cost will be calculated at checkout. Available shipping methods:
Characteristics 9X3977 Seal Ring fit Caterpillar
Main characteristics
Compatible models
Caterpillar AD30,
Caterpillar AD40,
Caterpillar AD45,
Caterpillar AE40,
Caterpillar 980XE,
Caterpillar 980,
Caterpillar 980L,
Caterpillar 966F II,
Caterpillar 972H,
Caterpillar 980C,
Caterpillar 980F,
Caterpillar 980F II,
Caterpillar 980G,
Caterpillar 980G II,
Caterpillar 980H,
Caterpillar 980K,
Caterpillar 980K HLG,
Caterpillar 980M,
Caterpillar 825G,
Caterpillar 825G II,
Caterpillar 826G,
Caterpillar 826G II,
Caterpillar 824C,
Caterpillar 824G,
Caterpillar 824G II,
Caterpillar 824H,
Caterpillar 824K,
Caterpillar R1700II,
Caterpillar R1700G,
Caterpillar R1700K
Part type
Seal ring
Cross reference
9X-3977
Seal Ring 9X3977 for Caterpillar Equipment
Seal ring 9X3977 is a rectangular-section transmission seal used in Caterpillar underground articulated trucks, wheel-type loaders, earthmoving compactors, wheel dozers, load-haul-dump machines, and articulated dump trucks. The ring is designed to help prevent fluid leakage and the entry of contaminants at the sealed connection. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The seal ring is listed for the following Caterpillar equipment models and machine series:
- Underground articulated trucks:
- AD30
- AD40
- AD45
- AE40
- Wheel-type loaders:
- 980XE
- 980
- 980L
- 966F II
- 972H
- 980C
- 980F
- 980F II
- 980G
- 980G II
- 980H
- 980K
- 980K HLG
- 980M
- Earthmoving compactors:
- 825G
- 825G II
- 826G
- 826G II
- Wheel dozers:
- 824C
- 824G
- 824G II
- 824H
- 824K
- Load-haul-dump machines:
- R1700II
- R1700G
- R1700K
- Articulated dump trucks:
- D35C
- D35HP
- D400D
- D40D
Cross-reference numbers
The part is identified by the following number formats:
- 9X3977
- 9X-3977
Specifications
| Part type | Transmission seal ring |
| Seal profile | Rectangular cross-section |
| Material | NBR nitrile rubber |
| Cross-section width | 0.13 in |
| Cross-section height | 0.13 in |
| Inner diameter | 17.38 in |
| Weight | 0.1 lb |
| Length | 15.24 cm |
| Width | 12.7 cm |
| Depth | 2.54 cm |






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