Reliability/Durability 24 volt Electrical System provides greater performance and longer work cycles compared to some competitive 12 volt systems. UL-Approved Model Type E to meet specific environmental conditions. Electrical, Hydraulic and Mechanical Components are protected by one fully-hinged steel service door for less internal damage. Entire Powertrain is enclosed and operates in an oil bath ensuring long life. Transmission is a Heavy Duty Helical Spur Gear type that ensures a long trouble-free life and lower noise.