Hi guy`s, currently have a cat 428c with 4in1 which we sometime use to move 2.5 ton concrete barriers - machine lifts them no bother, problem is the loader SWL is 1 ton. My question is would fitting check valves on the lift cylinders increase the SWL as cat brochure states lift capacity to max height is over 3 ton. Any one had this done? maybe on a different make or model. TIA cymro
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