90 degree gear drive speed ratio 1:1 ... aluminum gearbox are available. NOSEN 90 degree gear drive RNV-Series,cubic shape of gearbox.Model: ... . Special ratio,following clients' ordersTransmission Efficiency: 95%Gear Oil: HD320~680Max Revolutions: 1450 rpmAmbient Temperature: ... meter and infrared thermometerApplication Industries:diesel engine drive water pump,textile,food processing machine,medicine, ...