hello dosto hamre is chenal me aap ka sowagat he dosto hydra me gearbox se aawaj aaraha thi dosto hamne is video me gearbox khaole ke dikhhaye dosto ye machine heavy machinery me aata he ye heavy load uthne me kam aata he jese koi gadi palat Jaye use uthane me kam aata he koi bhari saman uthane me kam aata he dosto video achha lage to hamare chenel ko subcscribe jarur kare video achha lge like kare aor koi cnfision ho comment jarur kare aor shere kare thank you #voicetruemechanical #crane #hydra