Masson Marine’s range is now updated with new high ratio gearboxes, already approved by several classification companies, such as BV, NKK, GL, LRS, ABS at this day.
We can now offer you several possibilities, for example new MM W3350 available in 2 different ratio : 6.444/1 and 6.842/1 for a pawer of respectively 855 and 711 hp at 1800 rpm.
Another possibility is using a “boîtier RCA”: for example if you fit it on a W7400, we can reach up to ratio 14.007/1.
NB: data based on BV approved power ratings
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We are currently finalizing our new gearboxes 2019-2020 : W8400 and W 8450 with ratio 6,08 to 12,096 dedicated for workboats…, ask us for more details