Hydraulic filter suitable for CAT
REDX

Hydraulic filter suitable for CAT

Catalog number:SKX1040985RX Nr OEM:1261817 Manufacturer:REDX
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Hydraulic Transmission Filter suitable for CAT 1261817 REDX

Technical Specification and Compatibility

Hydraulic and transmission filter with part number 1261817 from the REDX offer. It is a high-quality filter element used in hydraulic systems and transmissions (PowerShift) of Caterpillar (CAT) machines. Dedicated to a wide range of equipment: from popular C, D, E series backhoe loaders to heavy track loaders and dozers. Ensures oil cleanliness essential for smooth operation of power hydraulics and gear shifting.

Part Number: 1261817
Component Type: Hydraulic / Transmission Filter Element
Height: 297.5 mm
Outer Diameter: 122 mm
Inner Diameter: 86 mm
Type: Cartridge
Application: Hydraulics, Transmission
Manufacturer: REDX

REDX hydraulic filters are characterized by high contaminant holding capacity and resistance to flow pressure. The solid construction of the cartridge prevents its deformation, which is crucial in high-pressure CAT hydraulic systems.

Features of REDX 1261817 Filter

Large Filtration Area: The height of almost 300 mm ensures a huge active surface of the filter media, which allows for long operation without pressure drop in the system.
System Protection: Effectively stops metal shavings, seal particles, and other contaminants, protecting solenoid valves, pumps, and cylinders from seizure.
Versatility: One of the most popular cartridges in CAT machines, used in both working hydraulics and drive systems (transmissions).
Reinforced Core: The internal core of the filter is designed to withstand high oil flows and sudden pressure surges.

Application in CAT machinery

Category Models
Backhoe Loaders 414E, 416B, 416C, 416D, 416E, 420D, 422E, 424B, 424B HD, 424B2, 424D, 426C, 428C, 428D, 428E, 430D, 432D, 432E, 434E, 436C, 438C, 438D, 442D, 442E, 444E, 446B, 446D
Telehandlers TH62, TH63, TH82, TH83, TH103
Track Loaders 953C, 963C
Wheel Dozers 834G, 854G, 924, 924K, 930, 930K, 938, 938K, 992G, 994H
Track-Type Tractors D6G2 LGP, D6G2 XL
Transmissions & OEM CX28, CX31, CX35, Military transmissions
Petroleum Products TH31-C9I, TH31-C9P, TH31-C9T, TH31-E61, TH35-C11I, TH35-C13I, TH35-C13T, TH35-C15I, TH35-C15T, TH35-E81
Truck Engines C9, C13, C15 (applications with CX31 transmission)

The filter is a replaceable element (cartridge) for the housing. Before purchasing, check dimensions: 297.5 mm height.

Related Parts and Hardware

When replacing the hydraulic/transmission cartridge, always replace the filter cover gasket (O-ring) to prevent oil leaks. It is also worth checking the hydraulic or transmission oil level after replacement.

⚠️ Operational Warning

Oil cleanliness in PowerShift transmissions and hydraulic systems is critical. Contaminated oil can cause solenoid valves to stick, jerky gear changes, and slow operation of working hydraulics. Regular filter replacement is the cheapest way to avoid expensive repairs.

Part Role in the Machine and Failure Diagnostics

Filter 1261817 takes care of the drive or hydraulic system condition.

  • › Slow hydraulics (clogged filter restricts flow).
  • › Jerky transmission (dirty oil, pressure drop in clutches).
  • › Oil overheating (restricted flow through the cooler).
  • › Hydraulic pump noise (cavitation due to lack of oil).

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🔧 Expert Guide: Key Installation Tips

  1. Cleanliness: During cartridge replacement, maintain sterile cleanliness. Even a small amount of sand falling into the filter housing can block a transmission solenoid valve.
  2. O-ring: Always replace the large filter cover O-ring. The old gasket might be deformed and cause a leak under pressure.
  3. Visual Check: Inspect the old filter after removal. The presence of metal filings (gold or silver) indicates a serious pump or transmission failure.

Technical FAQ and Trivia

Is this a suction or pressure filter?

Most cartridges of this design (with a core) work as pressure or return filters. Its role depends on the specific machine model (it can be a transmission filter or working hydraulics filter).

What are the filter dimensions?

Height: 297.5 mm, Outer Diameter: 122 mm, Hole Diameter: 86 mm. It is a large cartridge with high absorption capacity.

Trivia about CX31 transmission

This filter is used, among others, in Caterpillar CX31 automatic transmissions. These are transmissions designed to work in the toughest oil and mining conditions, where filtration reliability is a key issue for production continuity.

Question mark

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.

SKX1040985RX
1261817
0.00 kg

Data sheet

SUITABLE FOR
ATLAS
CASE
CAT
DOOSAN DAEWOO
JOHN DEERE
KOMATSU
NEW HOLLAND
TEREX
VOLVO
MACHINE TYPE
BACKHOE LOADER
DOZER
TELESCOPIC HANDLER
WHEELED LOADER
OUTER DIAMETER (MM)
122
INNER DIAMETER (MM)
86
HEIGHT (MM)
297,5

Specific References

MPN
1261817
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Hydraulic filter suitable for CAT

Catalog number: SKX1040985RX
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Manufacturer

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100

Responsible person

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100
gross price

132.23 zł

net price
107,50 zł
Available in large quantity Temporarily unavailable
107,50 zł
net price

132.23 zł

gross price
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  • You will receive 11 points, it gives you 4.40 zł
  • Lowest price from 30 days before the discount: 132.23 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    ATLAS
    CASE
    CAT
    DOOSAN DAEWOO
    JOHN DEERE
    KOMATSU
    NEW HOLLAND
    TEREX
    VOLVO
    Show more
    MACHINE TYPE
    BACKHOE LOADER
    DOZER
    TELESCOPIC HANDLER
    WHEELED LOADER
    OUTER DIAMETER (MM)
    122
    INNER DIAMETER (MM)
    86
    HEIGHT (MM)
    297,5

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    SERWIS KOP Sp. z o.o. Sp.k.
    ul. Podkarpacka 57A, 35-082 Rzeszów
    NIP: 813-352-97-49 REGON: 180286726

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