Montanari gearbox are designed for use in lifts and freight lifts in compliance with the directives and the regulations in force. Montanari gearbox have: a worm of hardened ground steel; centrifugally cast antifriction bronze crown; slow shaft of hardened and tempered alloy steel; brake equipped with independent arms and a twin magnetic circuit and is available in various voltages between 24 and 220 V d.c.; high-resistance cast iron pulley; electric motors of own production.Mineral oils with the following characteristics: Viscosity ISO VG 220 - ollowing Index 95 - Additive EP.Synthetic oils with the following characteristics: Viscosity ISO VG 220 - Viscosity Index 151 - Ascertained compatibility with traces of mineral oil. Montanari M73H is that gearbox moving tens of thousands of lifts in Italy and around the world. A name synonymous of reliability and quality; a worldwide top seller for installations of 6 passengers. Montanari M73H for high static load without support, static load of 2700 kg, A full range to use for installations in residential, public and commercial buildings. Spesification Montanari M73H : Static load : 2.700 Kg Capacity : 480 kg Roping : 1:1 Oil capacity : 2,8 L Gearbox weight : 110 kg Motor : 5.5 KW Speed : 1 m/s RPM : 1430 Insulation : F IP Code : IP 21 Sheave : Dia. 480 4x12 P=17