Baldwin BT259 Engine Oil Filter
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Baldwin

Baldwin BT259 Engine Oil Filter

Brand Baldwin BT259
Contains 20 psid by-pass valve
Fits "blaw knox, caterpillar, ditch witch, dynapac, john deere, rayco,
Height 5 13/32
Height (mm) 137.3
Integral Gasket {g401}
Outside Diameter 1 3 11/16
Outside Diameter 1 (mm) 93.7
Per Inch 16
Replaces "john deere ar58956, t19044"
Thread 13/16
Fits —

By-pass valve included. Helps maintain oil flow when pressure rises.

Integral gasket. Simplifies installation with a built-in seal.

Engine oil filter. Cleans circulating oil to protect engine components.

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Baldwin BT259 Engine Oil Filter

The Baldwin BT259 is an engine oil filter built for equipment and compressor applications that require dependable oil filtration and a 13/16 thread mount. It uses a 20 PSID by-pass valve and an integral G401 gasket to support consistent oil flow in demanding service conditions. This Baldwin BT259 oil filter is a direct replacement for John Deere AR58956 and T19044 in listed applications.

Key Features

  • Engine oil filter for heavy-duty equipment and industrial compressors
  • 20 PSID by-pass valve for controlled oil flow during restriction events
  • Integral gasket: G401
  • Thread size: 13/16
  • Outside diameter: 3 11/16 in. (93.7 mm)
  • Height: 5 13/32 in. (137.3 mm)
  • 16 threads per inch
  • Replaces John Deere AR58956 and T19044

Detailed Description

Baldwin BT259 is specified for Blaw Knox, Caterpillar, Ditch Witch, Dynapac, John Deere, Rayco, Vermeer, Zetor equipment, as well as Ingersoll-Rand compressors. For buyers searching for a Baldwin BT259 oil filter for John Deere equipment or a Baldwin BT259 filter for Caterpillar and Vermeer machines, this part matches the listed thread, gasket, diameter, and height specifications needed for service replacement. It is a practical choice when maintaining engines that rely on stable oil filtration under load.

Common Uses

  • Replacing a worn or restricted engine oil filter
  • Restoring proper oil filtration on John Deere equipment
  • Servicing Caterpillar, Vermeer, and Ditch Witch machinery
  • Addressing oil flow issues related to filter restriction
  • Matching OE reference numbers AR58956 and T19044

Installation Notes

Verify thread size, gasket style, and overall dimensions before installation. Confirm the filter mounts to a 13/16 threaded base and that the sealing surface matches the G401 integral gasket. Prime and torque according to the equipment manufacturer’s service procedure, and inspect for leaks after startup.

Quality Assurance

Baldwin filtration products are built for service in heavy-duty engine and equipment applications. This part is identified by Baldwin part number BT259 and is listed as a replacement for John Deere AR58956 and T19044 in the applications shown.

Related reading

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes