Drive Shaft/ Hydraulic Pump/ Replaces John Deere AT42308

The AT42308 is a hydraulic pump drive shaft designed for use in various John Deere tractors and industrial equipment. It serves as the mechanical link between the engine and the hydraulic pump, enabling fluid power systems to operate efficiently.

• Length: 4.370 inches
• Spline Count: 14 splines
• Compatible Pump: 2.4 CI (39 cc) hydraulic pump
• OEM Cross References: T22915, T113096
• Coupler Compatibility: Can be used with coupler T36523

Fitment Applications

This shaft is compatible with a wide range of John Deere models, including both tractors and construction equipment:

Tractor Models

• 2030
• 2440 (Serial Number < 340999)
• 2630
• 2640 (Serial Number < 340999)

Industrial & Construction Models

• 300
• 300B (Serial Number < 197259)
• 302
• 302A
• 320A
• 400
• 401

This drive shaft is typically used in hydraulic systems where consistent torque transmission is critical. It’s especially relevant in:

• Loader and backhoe operations
• Agricultural implements requiring hydraulic actuation
• Industrial machinery with integrated hydraulic circuits

Its robust spline design and compatibility with legacy John Deere models make it a reliable choice for retrofits, replacements, or rebuilds in older equipment still in active service.