The present invention provides a reversible concrete mixer assembly. The assembly is less bulky and requires less time to manufacture and, cost and labour required is also less. The assembly comprises a chassis assembly made in tubular section which provides more stability to the assembly. The chassis assembly includes a 'IT frame assembly mounted thereon. Furthermore, a twin roller assembly is fitted on to an 'U' frame assembly which reduces the misalignment of the twin roller assembly and setting time with ease. Figure 1
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