1R0777 Hydraulic/Transmission Filter fit Caterpillar
1R0777 Hydraulic/Transmission Filter fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
1R0777 Hydraulic/Transmission Filter for Caterpillar
The 1R0777 is a hydraulic/transmission filter element for Caterpillar equipment. It is used with Caterpillar engine and machine applications, including the 3126B, 3176C, 3406, 3406C, 3406E, 3408, 3408C, 3408E, 3412D, and 3412E models.
This is a new aftermarket part manufactured by CTP (Costex Tractor Parts).
Fitment
- Caterpillar 3126B
- Caterpillar 3176C
- Caterpillar 3406
- Caterpillar 3406C
- Caterpillar 3406E
- Caterpillar 3408
- Caterpillar 3408C
- Caterpillar 3408E
- Caterpillar 3412D
- Caterpillar 3412E
The listed applications cover Caterpillar engine and machine equipment using the 1R0777 filter element. Fitment should be verified against the equipment model and the filter number before installation, particularly where the same engine series is used in different machine configurations.
Cross-reference numbers
| Part number | 1R0777 |
| Hyphenated part number format | 1R-0777 |
| Element designation | Element A |
The numbers 1R0777 and 1R-0777 identify the same filter number in different formatting conventions. The product name and SKU use the unhyphenated format, 1R0777.
Specifications
| Part type | Hydraulic/transmission filter element |
| Element designation | Element A |
| Equipment manufacturer | Caterpillar |
| Applicable equipment type | Engine and machine equipment |
| SKU | 1R0777 |
| Weight | 1.5 lb |
| Length | 17.5 cm |
| Width | 17.5 cm |
| Depth | 23 cm |
The supplied dimensions are stated as length, width, and depth: 17.5 cm, 17.5 cm, and 23 cm respectively. The stated weight is 1.5 lb. No additional information about thread size, filter media, sealing components, or included installation parts is provided for this item.

























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