Kato has debuted the KA4000 during the end year of 2000. The 400-ton all terrain has a six-axle Nissan carrier and reaches a maximum driving speed of 60 km/h, which is similar to the Kato KA3000. It has a maximum rated capacity of 400 tonnes at 3 metres and full power boom extends to 40.2 metres.
It has an optional heavy tilt jib of 9 to 16 metres which can be offset from 8 to 45 degrees. It has the capability to lift 65 tonnes at 12 metres, 45 tonnes at 14 metres, 28 tonnes at 16 metres and 7.2 tonnes at 60 metres radius.
The KA4000 can also be equipped with a heavylift jib that has lengths of 18, 27, 36, 45, 54 and 63 metres which can be offset between 10 to 60 degrees. It has the capability to lift 107.5 tonnes at 8 metres, 71 tonnes at 12 metres, 29 tonnes at 20 metres, 11.5 tonnes at 55 meres and 3 tonnes at 95 metres radius. The maximum lifting height with the heavylift jib is 118.6 metres.