work boat reduction gearbox / for ferries / engine
IR4N

• Application domain:

  for work boats, for ferries

• Applications:

  engine

• Power:

  Max.: 491 kW (667.6 hp)

  Min.: 202 kW (274.6 hp)

IR4N Gearbox

Continuous duty ratings:

202-491 kW
275-668 hp
1500-1800 rpm

Technical Characteristics:

Full capacity only in forward rotation (except IR4N 4.6)
Same reduction ratio in the two ways of rotation (except otherwise stated)
Hydraulic clutches multi-disc type
Gears with tempered, hardened and rectified teeth
Line shaft thrust bearings built-in gearbox secondary shaft
Filtration of lubricating oil by a full flow, screw-on cartridge type filter
Oil capacity: 18 litres of SAE 30 or SAE 40-type lube oil