In Kenya, posho mills are mainly classified based on power source, milling grade, and capacity, making it easier for buyers to choose a machine that fits their location, budget, and business needs.

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Turquoise 10 Horse Power Posho milling machine on a dirt ground with a blue barrel nearby. A person in the background photographs the scene. Green gate behind.

Image of a 10 Horse Power India Diesel Posho mill water cooled selling for 155,000Ksh

The most common types are electric posho mills, diesel posho mills, and combined electric & diesel posho mills.

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Blue and red Posho milling machines in a concrete-walled room. The floor is bare, with a striped sack nearby. No visible text or people.

Image of a Separate grade 1 and 2 Posho mills costing 145000Ksh

Electric posho mills are widely used in towns and trading centers where electricity is reliable. They are affordable to run, easy to maintain, and ideal for small to medium milling businesses.

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Most electric posho mills come in single-phase (for homes and small shops) or three-phase (for higher commercial output) options. They produce consistent flour quality with minimal noise and no fuel costs.

Blue Natasha Diesel engine Posho Mill with "Natasha" label and contact info, white arrow on top, set on wooden pallets in an industrial setting.

Image of a Natasha engine 10hp watercooled

Diesel posho mills are popular in rural and off-grid areas where electricity is unreliable or unavailable. They are powerful, handle hard or dry maize well, and can run for long hours if properly cooled. However, they have higher operating costs due to fuel consumption and require regular maintenance of the engine and cooling system.

Blue and red Posho Mill milling machine in a room with beige walls and a blue barrel. The machine has a funnel and conveyor, suggesting grain processing.

Image of a Grade 2 Combined diesel and Electric Posho mill for sell at 100,000Ksh

Combined electric and diesel posho mills offer the best of both worlds. They allow millers to switch between electricity and diesel depending on availability, reducing downtime and ensuring business continuity. These machines are ideal for serious biashara owners who want reliability, flexibility, and higher daily output.

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Posho Mill Grades Explained (Grade 1 vs Grade 2)

Posho mills in Kenya are commonly classified into Grade 1 and Grade 2 based on the type of flour produced and the milling process used.

Blue and orange Grade 1 and 2 Poshomills 7.5hp machines in a room with patterned tile flooring. No people present. Calm atmosphere.

Image of a Grade 1 and 2 Poshomills 7.5hp poshomill plus 5hp hauller selling for 155,000Ksh

Grade 1 posho mills are designed to remove maize husks and bran before grinding, producing fine, white, sifted maize flour. This flour is popular in urban areas and commercial markets because it cooks smoothly and has a soft texture.

Blue milling machine in a bare room with a window, concrete walls, and dirt floor. A yellow container is in the corner.

Image of a 5 horse power Posho mill selling for 64,000Ksh

Grade 2 posho mills, on the other hand, grind the whole maize kernel without removing the bran. The result is whole-maize flour, which is more nutritious, heavier, and preferred in many rural households. Grade 2 machines are simpler, require less setup, and are generally cheaper to operate and maintain.

Updated Posho Mill Prices in Kenya (2026)

Colorful industrial Grade 1 and Grade 2 Posho l machinery with red and blue parts stands outdoors on a sunny day, with a building and parked bicycles in the background.

Image of a 10 Horse Power Combined Grade 1 and Grade 2 Posho mill selling for 168,000Ksh

Electric Posho Mills Prices List

5HP Electric Posho Mill	64,000Ksh
7.5HP Electric Posho Mill	73,000Ksh
10HP Electric Posho Mill	79,000Ksh
Grade 1 & 2 Electric Posho Mill	129,000Ksh

Woman in a patterned dress stands next to a blue machine outside a stone building. Another person is in the background. Bright, sunny day.

Image of a Grade 2 Electric and diesel 10Hp Posho Mill costing 120,000Ksh

Diesel Posho Mills

7.5HP Diesel (Jiadi)	75,000Ksh
10HP Diesel (Jiadi)	85,000Ksh
10HP Diesel (India make)	145,000Ksh

Combined Electric & Diesel Posho Mil Price List

7.5 HP Grade 2 Combined Posho Mill	100,000Ksh
7.5 HP Grade 1 & 2 Combined Posho Mill	168,000Ksh
10 HP Grade 2 Combined Posho Mill	115,000Ksh
10HP Grade 1 & 2 Combined Posho Mill	179,000Ksh

Separate Grade Posho Mills

Blue and orange machinery in a wooden shed. A person looks in through a window. Buckets and pipes visible. Natural lighting, neutral tones.

Image of a Separate grade 1 and 2 Posho mills costing h 145,000Ksh

7.5 HP separate grade 1 and 2 posho Mill	140,000Ksh
10 HP separate grade 1 and 2 posh mill	155,000Ksh

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Other Milling & Farm Machines Prices in Kenya

Apart from posho mills, several agricultural machines are essential for efficient farm and milling operations in Kenya. Multipurpose feed choppers range from 38,000Ksh (petrol) to 180,000Ksh (22HP) depending on power type. Roller mill and crusher units are priced between 320,000Ksh and 370,000Ksh ideal for commercial grinding.

6fy-30 Roller mill plus pre- crusher Green milling machines in a small room with white walls, surrounded by blue buckets. Flour is scattered on the floor, creating a dusty mood.

Image of a 6fy-30 Roller mill plus pre- crusher costing 360,000Ksh

Basic chaff cutters sell around 55,000Ksh, while maize shellers start at 38,000Ksh for manual versions and 63,000Ksh for petrol/diesel models. These machines improve productivity, reduce labor, and are valuable investments for agro-processing businesses.

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Multipurpose Feed Choppers

Green and red agricultural machine on a blue tarp in a grassy yard. It has a chute and engine, with green vegetation nearby.

Image of a Petrol Multipurpose feed chopper costing 37,000Ksh

Petrol	38,000Ksh
Electric	47,000Ksh
Diesel	68,000Ksh
22HP Unit	180,000Ksh

Roller Mill & Crusher

7.5 HP Roller Mill and Crusher	320,000Ksh
10 HP Roller Mill and Crusher	K370,000Ksh

Chaff Cutters

Chaff Cutter

55,000Ksh

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Maize Shellers

Petrol Maize Sheller	44,000Ksh
Diesel Maize Sheller	68,000Ksh

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How to Choose the Best Posho Mill in Kenya

Blue industrial Posho Mill machines on a tiled floor with tan walls. Equipment includes a grinder and a hopper, connected by a motor. No people present.

Image of a Grade 1 and 2 Electric posho mill for sale at 128000ksh

Choosing the best posho mill in Kenya requires assessing your power availability, daily workload, and long-term goals. First, determine whether you have reliable electricity; if not, consider a diesel or combined electric/diesel model for flexibility.

Next, match the horsepower to your expected daily maize volume — 7.5HP works for small to medium usage, while 10HP+ suits commercial workloads. Consider Grade 1 vs Grade 2 based on the flour quality you want. Also check cooling, ventilation, and belt setup to prevent overheating. Finally, factor in after-sales support, delivery, and warranty before buying.

Common Posho Mill Problems & Solutions

Blue industrial machine with red accents and black belts in a wooden shed. Dusty surroundings, with no visible text. Rustic and mechanical.

Posho mills are reliable machines, but like all equipment, they can develop issues if not properly set up or operated. One common problem is overheating, usually caused by continuous grinding without breaks, poor ventilation, tight belts, or incorrect power supply.

A blue and red Posho Mill industrial machine stands in a metal-roofed workshop. Corrugated metal walls and scattered tools are visible in the background.

The solution is to allow cooling intervals, improve airflow, and adjust belt tension. Another issue is poor flour quality, often resulting from worn or tightly set grinding plates; regular inspection and correct adjustment solve this. Diesel engines overheating is commonly due to low water levels, dirty radiators, or lack of coolant—routine cleaning and proper cooling fluids prevent this. Lastly, frequent motor tripping is linked to voltage drops or overloading, which can be fixed by using proper cables and matching the mill’s capacity to the workload.

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KES 175,000.00

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What Could Be Causing the Overheating?

Blue industrial Grade 1 and Grade 2 Poshomill machine with red accents in a turquoise room, possibly a grinder or mixer. Brightly lit, with a tiled ceiling.

Image of a Grade 1 and 2 poshomills costing 128,000Ksh

1️⃣ Electric Motor Overheating (Most Common Cause)

The electric side stopping after some hours usually happens because:

❌ Wrong electrical supply
- Single-phase power trying to drive a heavy load continuously
- Long extension cables (voltage drop)
❌ Poor ventilation
- Motor placed in a closed room with no airflow
❌ Incorrect pulley alignment or tight belts
- Causes friction → heat → auto-cutoff
❌ Continuous grinding without breaks
- These machines are not industrial continuous-run mills

✅ Fix

Ensure correct voltage
Use short, thick power cables
Give the motor 15–20 min rest after 1–2 hours
Check belt tension (not too tight)

2️⃣ Diesel Engine Water Overheating

If the diesel water is heating up:

🔥 Radiator cooling problem
- Dirty radiator fins
- Low water level
🔥 Running at high RPM continuously
🔥 Poor airflow around engine
🔥 Using plain water instead of coolant

⚠️ This is NOT because of 90 kg per day — that’s light work.

✅ Fix

Clean radiator fins
Top up water / add coolant
Ensure fan is working
Avoid continuous long runs (breaks are key)

3️⃣ Grinding Setup Issue (Very Important)

Sometimes the problem is not the engine at all:

⚙️ Grinding plates too tight
- Causes extreme resistance
🌽 Grinding very hard or dry maize
🔧 Poor alignment between mill & engine

✅ Fix

Slightly loosen grinding plates
Ensure proper alignment
Avoid feeding maize too fast

Frequently Asked Questions About Posho Mills in Kenya

How much does a posho mill cost in Kenya?

Posho mill prices in Kenya range from KSh 64,000 for small electric units to over KSh 370,000 for commercial roller mills, depending on horsepower, grade, and power source.

5 horse power Electric single phase grade 2 Posho Mill

KES 70,000.00

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Which is better: electric or diesel posho mill?

Electric posho mills are cheaper to run and ideal where power is reliable. Diesel posho mills are best for rural or off-grid areas. Combined electric and diesel models offer flexibility and uninterrupted operation.

Is a 7.5HP posho mill enough for biashara?

Yes. A well-set 7.5HP posho mill can grind 300–500 kg per day with proper cooling breaks and correct setup, making it suitable for small to medium businesses.

Person in a beanie and vest works on a bright Petrol Multi purpose Feed chopper green machine with wheels in a grassy area, surrounded by wooden fencing.

Image of a Petrol Multipurpose feed chopper costing 43000Ksh

What is the difference between Grade 1 and Grade 2 posho mills?

Grade 1 produces fine sifted white flour, while Grade 2 grinds whole maize flour with bran. The choice depends on customer preference and market location.

Why does a posho mill overheat?

Overheating is usually caused by continuous running, poor ventilation, tight belts, wrong power supply, or tightly set grinding plates—not overload.

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KES 128,000.00

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How often should a posho mill be serviced?

Basic inspection should be done weekly, while full servicing is recommended every 3–6 months to ensure efficiency and long machine life.