Hydraulic and transmission oil filter with part number 1261817 from the REDX offer. It is a high-quality spin-on filter used in the drive systems of a wide range of construction machinery. Fits backhoe loaders and telehandlers of Caterpillar (CAT), Manitou, New Holland, and Terex brands. It ensures the cleanliness of transmission oil, protecting clutches and control valves from contamination.
REDX filters are designed to withstand the high pressures found in hydraulic transmission systems. The solid housing and high-quality filter media ensure optimal oil flow while effectively retaining shavings and sludge.
| Brand | Models |
|---|---|
| CATERPILLAR (Backhoe Loaders) | 414E, 415, 415F2, 416, 416B, 416C, 416D, 416E, 416F, 416F2, 420, 420D, 420E, 420F, 420F2, 420XE, 422E, 422F, 422F2, 424, 424B, 424B2, 424D, 426, 426B, 426C, 427F2, 428, 428B, 428C, 428D, 428E, 428F, 428F2, 430, 430D, 430E, 430F, 430F2, 432, 432D, 432E, 432F, 432F2, 434, 434E, 434F, 434F2, 436, 436B, 436C, 438, 438B, 438C, 438D, 440, 442D, 442E, 444, 444E, 444F, 444F2, 446B, 446D, 450, 450E, 450F |
| CATERPILLAR (Telehandlers) | TH0642, TH0842, TH1055, TH1255, TH336C, TH337C, TH3510, TH3510D, TH357, TH357D, TH406C, TH407C, TH408, TH408D, TH414C, TH417C, TH514C, TH514D, TL1055, TL1055C, TL1055D, TL1255, TL1255C, TL1255D, TL642, TL642C, TL642D, TL943, TL943C, TL943D |
| MANITOU | Rough terrain forklifts: 4RM Series, MB Series, Telehandlers: MLT Series, MT Series |
| NEW HOLLAND | 655E, 675E, LB90, LB110, LB115 |
| TEREX | SX 820, SX 860, SX 880 |
| Other CAT | Industrial and machine engines: C3.4B, C3.6, C4.4 |
Filter fits a very wide range of machines. Check dimensions: 121 mm height, 76.5 mm outer diameter.
Filter has an integrated gasket. When servicing the transmission or hydraulic system, it is also worth checking the oil level and the condition of the suction filter (if present on the model).
A contaminated transmission filter causes a pressure drop in the system, which can manifest as jerky gear changes, delayed reverse response, or oil overheating. Regular filter replacement is much cheaper than overhauling a PowerShift transmission.
Filter 1261817 maintains the cleanliness of the drive system oil.
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No. Despite looking similar to engine oil filters, filter 1261817 is designed to work with transmission and hydraulic oils, which have different viscosity and contaminant characteristics.
Height 121 mm, outer diameter 76.5 mm. Inch thread.
PowerShift transmissions in construction machinery use pressurized oil to compress clutch packs. Filtration is critical here because even microscopic filings can block control channels, causing loss of drive.
Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.
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Suitable for Caterpillar, Manitou, New Holland and Terex machines

















