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Read articles →This is a hands-on hydraulic pressure mod for the L2501, not a walkaround or review. The owner opens the hydraulic bypass block, swaps shims to raise pressure to 2600 PSI, and rigorously measures actual lift capacity before and after using a scale, weighed forks, and a stump as a test load, finding roughly a 21% lift gain. Best for owners wanting real numbers on this specific performance mod, not general buyers.
An independent owner-operator (previously owned a Kubota BX) documenting his own DIY mod and measurements, with no dealership affiliation evident.
Open the hydraulic distribution block, remove the spring-loaded plunger bolt, and add shims underneath the spring to raise the bypass pressure, then reassemble and torque to spec.
About a 21% increase on average, roughly 238 pounds more at two feet off the ground and 222 pounds more at three feet, both measured two feet forward of the fork backs.
At 1600 PSI bypass pressure with unloaded tires, BH-77 backhoe stability was fine on level ground, according to the owner's testing.
Very little if you block the vent under the seat first; the owner estimated maybe a cup or two at most after the initial rush of fluid.
