They converged from different corners of New Zealand - at Waitara Station - a high country property north-west of Napier.
Eight hours, 1611 shorn sheep later, Luke Mullins, Eru Weeds and James Mack became world record holders.
Luke Mullins says: "It's not a small job!"
The shearers smashed the previous three-stand record of 1347 strong-wool ewes - battling 30 degree heat and "pumiced" sheep wool.
Waitara Station owner Lloyd Holloway explains what is meant by "pumice" in sheep: "Pumice, in the central North Island is from Ruapehu during the eruptions and shearers wear right through on the fingers so you've got to tape up for it and it wears your cutters out."