This type of motor vibrator with in built vibration unit used for different purposes as for screed vibration in road construction, Block machine, Sand screening, vibrating tables, paver blocks etc. it comes in cast iron body and metal body as per party's applications. Specially made shutter vibrators are available from 0.25 hp ( Aluminum body) to 5 hp (C.I. body ) Specially made shutter vibrators are available in 960 Rpm 1440 Rpm. Shutter vibrator are also made which work on 42 volt by using transformers.