Q: What are the main causes of premature spline wear on a 325DL main pump drive shaft?
A: Engine-to-pump misalignment, worn torsional coupling elements, or lack of spline grease are the primary causes. Upgrading to the RITO 2254542 shaft restores tight factory clearances, but checking engine alignment during installation is critical to prevent future wear.
Q: Does this pinion shaft include the snap rings, bearings, and woodruff keys needed for a complete installation?
A: This SKU includes the high-precision shaft itself. For a complete pump rebuild, we recommend ordering matching bearings and seal kits from our catalog to ensure a reliable overhaul.
Q: How do we verify that our SBS140 pump uses this exact shaft instead of a different model variant?
A: You can verify fitment by checking the total shaft length, spline count on both ends, and diameter against our technical drawings, or by verifying that your parts manual lists part number 2254542.
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companie






















