Concrete Mixer gearbox 1. Good quality; low noise; mature Techniques 2. ... is a majorpart for power transmission on Double-horizontal-shaft Concrete Mixer.It has characteristics of big torque, low noise, high ... .- Advanced technics, strong self-development power, able to produce new type gearbox according to customer's design drwings. Code Gear ... 27 55.85 40,000 1000 667 222 right Concrete Mixer gearbox