The frozen food industry has grown rapidly in recent years., and one of the most demanded products globally are frozen french fries. Restaurants, fast food chains, supermarkets and distributors need a stable supply of pre-cooked potatoes, with uniform texture, consistent flavor and long shelf life. To respond to this demand, processing factories require a frozen french fries production machine that integrates efficiency, quality and automation.
You will find a complete explanation of the industrial process, the required equipment, the structure of a production line, technical standards, advantages, costs and recommendations to start or expand your business in the pre-cooked potato chips sector.

1. What is a machine to produce frozen French fries?
A frozen french fries production machine is a set of industrial equipment designed to transform fresh potatoes into precooked potatoes, bleached, partially fried and quick frozen. These machines are part of a frozen french fries production line, also known as:
- Line for frozen pre-fried potatoes
- Frozen French fries production line
- Prefrozen French fries machine
- Line to produce French fries
- Industrial plant for frozen French fries
All these names refer to the same industrial processing system., although with slight variations depending on the market or country.
2. Who needs this machinery?
The frozen french fries production machine is essential for:
- Frozen food factories
- Agribusiness investors
- Potato value added projects
- Frozen product exporters
- Companies supplying fast food chains
- catering industries
- Agricultural cooperatives
This business is especially profitable in countries with high potato production. (Peru, Colombia, Mexico, Ecuador, Chile, Argentina, Bolivia).

3. Types of production lines available
Lines vary depending on capacity and level of automation:
3.1 semi-automatic line (100–300 kg/h)
Ideal for entrepreneurs and small plants.
Advantages: low investment, simple operation.
3.2 Fully automatic line (500–2000 kg/h)
For medium and large factories.
Advantages: labor savings, high efficiency, export quality.
3.3 High capacity line (3000–5000 kg/h)
Requires complete industrial investment and specialized plant.
It is the option for large-scale export.
4. Components of the Machine to Produce Frozen French Fries
A typical line includes more than 12 equipment that works synchronously.
4.1 Potato washing machine and peeler
Removes impurities and removes the peel using friction or abrasive rollers.
Keywords: potato peeling machine, industrial peeler.
4.2 Potato stick cutting machine
Cut in the shape of “French fries” with measurements of 7x7 mm, 8×8 mm o 10×10 mm.
Long tail: French fries cutting machine, French potato slicer.
4.3 slice washing machine / starch remover
Prevents potatoes from sticking and ensures uniform color.
4.4 whitening (Blanching Machine)
Immerse the potatoes in hot water to inactivate enzymes.
Temperature control: 65–95°C.
4.5 Pre-drying or air dryer
Remove surface moisture before frying to avoid bubbles.
4.6 Pre-fried potato fryer
Partial frying, not complete.
Options: continuous oil fryer or conveyor fryer.
4.7 Degreaser (centrifuge or vibrator)
Reduces oil so that the product is not greasy.
4.8 Pre-cooler
Rapid cooling before freezing.
4.9 Quick freezer (IQF Freezer)
One of the most important teams.
Freeze the potatoes -18°C in just a few minutes to maintain texture and flavor.
4.10 Automatic packing
Pesa, fill and seal bags 400 g, 1 kg, 2.5 kg o 5 kg.
4.11 PLC transport and control system
The entire line is synchronized by automated control.

5. Complete frozen French fries production process
Paso 1: Potato selection
Varieties with high starch and low humidity are chosen (Russet, Sour, Canchan, etc.).
Paso 2: Washing
Removes dirt and stones.
Paso 3: Naked
Steam abrasive peeler.
Paso 4: Court
Uniform canes according to market demand.
Paso 5: Starch removal
Improves color and prevents darkening.
Paso 6: Bleached
Set the color and pre-bake the product.
Paso 7: Drying
Use of hot air or mechanical vibrator.
Paso 8: Partial frying
Obtaining pre-fried potatoes.
Paso 9: Cooled
Avoid humidity before freezing.
Paso 10: Quick frozen (IQF)
Maintains structure and freshness.
Paso 11: Packing
Airtight seal bags.
Paso 12: Storage
At -18°C for 12–18 months.
6. Advantages of an industrial machine for frozen French fries
6.1 Continuous and stable production
Ideal for large volumes.
6.2 Uniform quality
Size, consistent texture and color.
6.3 High profitability
The added value multiplies the price of the potato.
6.4 Long shelf life
Thanks to frozen IQF.
6.5 Compatible with international standards
HACCP, ISO the CE.

7. Typical technical parameters of an automatic line 500 kg/h
| Stage | Equipment | Power | Size | Material | Ability |
|---|---|---|---|---|---|
| Washing | Washing machine | 3 kW | 2200×900×1200 mm | SS304 | 500 kg/h |
| Naked | Abrasive peeler | 4 kW | 2400×1000×1300 mm | SS304 | 500 kg/h |
| Court | Cutter | 1.5 kW | 900×700×1200 mm | SS304 | 500 kg/h |
| Bleached | Blanche | 18 kW | 3500×900×1400 mm | SS304 | 500 kg/h |
| Drying | Dryer | 5 kW | 2500×800×1400 mm | SS304 | 500 kg/h |
| Frying | Continuous fryer | 42 kW | 4500×1300×1500 mm | SS304 | 500 kg/h |
| Unbeaten | Centrifugal | 3 kW | 1400×900×1300 mm | SS304 | 500 kg/h |
| Cooled | Cooler | 4 kW | 3000×900×1200 mm | SS304 | 500 kg/h |
| Frozen | IQF Freezer | 25–50 kW | 6000×2000×2000 mm | SS304 | 500 kg/h |
| Packing | Baler | 2.2 kW | 1000×800×1400 mm | SS304 | 10–50 bags/min |
(Approximate values; can be customized.)
8. How much does a frozen french fry machine cost??
The price depends on the capacity, type of fryer, freezer type and automation level.
Semi-automatic line 100–300 kg/h
👉 USD 10,000 – 35,000
Automatic line 300–1000 kg/h
👉 USD 45,000 – 180,000
Industrial line 2000–5000 kg/h
👉 USD 200,000 – 600,000
9. Installation requirements
- Area 100–500 m² depending on capacity
- Electrical power 380V / 220V
- Gas or electric for fryer
- Vapor extraction system
- Freezing room and cold rooms
- Agua potable industrial
- Plant with sanitary floor
10. Is it profitable to produce frozen French fries?
Yeah, It is one of the most profitable agro-industrial businesses in the world.
Estimated example (500 kg/h):
- Cost of 1 kg of potato: USD 0.20–0.35
- Total production cost: USD 0.60–0.80
- Sale price: USD 1.20–2.00
➡ Net profit per kg: USD 0.60–1.20
➡ Investment recovery: 3–8 months
11. Frozen French Fries Production Machine
The frozen french fries production machine is a key industrial solution for anyone looking to enter a constantly growing market. Global consumption of pre-fried potatoes increases every year thanks to fast food chains, supermarkets and catering services. Investing in an efficient production line allows you to gain competitiveness, improve quality and multiply profits.
