Key Factors to Consider When Buying a Posho Mill

From prehistoric times to this date, maize and grains have undergone milling to alter their taste and form. Posho mill business has undergone a gradual transformation from the time a water Posho mill served the whole village to the point electricity-powered Posho mills were developed. This article evaluates key factors to consider when buying a Posho mill.

Posho mill is commonly known for milling maize and wheat but can also be used to mill other grain varieties including groundnuts, beans, and corn maze. They can be categorized based on the source of power into the wind, water, petroleum, and electric Posho mill. Posho mills according to the scale of production can be categorized into small, medium, and large scale Posho mills.

1. Source of power

The power driving the Posho mill can either be water, wind, diesel, or electricity. Diesel and electricity are however the most widespread sources of Posho mill power with some mills combining both to increase efficiency. It is advisable to combine the two types of engines to avoid inconvenience in case of electricity pluck-outs.

2 . Convenience

This is a derivative of several factors including power, type of grains to mill, and the workforce required in operation. The majority of the mills are designed not to work on wet and oily grains while the modern types can mill all sorts of grains. Electricity-powered Posho mills are also recommended compared to diesel engines due to their simplicity in operation.

3. The scale of production

According to the scale of production, Posho mills are manufactured to differ in size and power to suit either small, medium, or large-scale production. Small scale Posho mills are small in size and consume less power. They can easily be relocated and occupy small spaces. Large-scale Posho mills occupy a great deal of space. Posho mill prices in Kenya are directly proportional to size.

4. Heat production

All diesel Posho mills produce a remarkable amount of heat during operation and this requires a water cooling system to be installed outside. Some faulty Posho mills however produce heat outside the normal range. This may indicate some amount of friction during operation and this should gain the attention of the operator.

Electric Posho mills should release a small amount of heat resulting from the action of resistors in the circuit but they don’t require any water cooling system as they are air-cooled. A shoot in the amount of heat generated might be due to faulty connections and implies that a lot of power is consumed during operation.

5. Quality of flour

Any customer should be knowledgeable concerning coarse and fine-textured flour. Posho mills are specifically designed to produce this quality flour but with improvements in technology, manufacturers have designed adjustable engines. Numerous quality producing mills are more expensive but worth their prices.

6. Cost and budget

The customer’s budget for a long time has been an unseen factor. Majority of people set aside the amount planned and decide to purchase any Posho mill within the budget limit. For this case, a buyer should always make a thorough research first on the types of Posho mills within that budget range and understand their features first before arriving at a decision.


A variety of Posho mill models are flooded in the market but a buyer should never be confused when making a decision. The center of their decision should be their requirements by the factors outlined in this article. Check about roller mill too as another alternative for grade 1.

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