The weight of NMRV050 reducer is about 3.5KG.
The weight of NMRV063 reducer is 6.3kg.
The weight of NMRV075 reducer is about 9 kg.
The weight of NMRV090 reducer is about 13KG.
The weight of NMRV 1 10 turbine reducer is about 35KG.
The weight of NMRV 130 reducer is about 48KG, which is 96kg, which is close to 100kg.
The weights of all the above NMRV reducers are under standard conditions, excluding the weight of the motor.