S17439

When your David Brown's hydraulic system starts getting sluggish or you notice your three-point hitch isn't responding like it should, the problem might be a worn hydraulic pump drive shaft. Your hydraulic pump drive shaft spins constantly when the engine runs, transferring significant torque from the engine to the pump. A worn or damaged shaft causes vibration, noise, and eventually complete hydraulic failure. This replacement shaft connects your engine to the hydraulic pump, keeping power flowing to run everything from your loader to your three-point implements. What You're Getting Precision-manufactured shaft built to handle the high torque loads your David Brown generates Proper spline configuration that ensures positive engagement without slippage Quality materials and construction that prevent premature wear and failure Direct replacement design that fits your tractor's pump assembly without modifications Built for Real Farm Work This shaft fits David Brown's versatile 900 series tractors and the larger 1200/1400 series models that farmers rely on for mixed operations. The hydraulic system powers everything from your three-point hitch to power steering, and clean oil is what keeps it all working right. Whether you're cultivating, running a loader around the barnyard, or operating hydraulic implements during hay season, this shaft keeps your hydraulics working reliably when you need them most. Made to Last Farm equipment takes a beating, and hydraulic drive shafts work harder than most parts. The 14-spline design provides positive engagement without slippage, while the precise 355mm length ensures proper alignment between engine and pump. Quality materials and manufacturing prevent premature wear that could leave you stranded with no hydraulic power. This shaft is built to handle the constant rotation and torque loads that come with running hydraulic implements day after day. Installation Notes When replacing the drive shaft, it's smart to inspect these related parts for wear since they all work together. The job requires basic mechanical skills and standard tools, but you'll want to drain the hydraulic system first. Always check your pump coupling and related components while you've got things apart—it's good practice and can save you from another breakdown later in the season.