| Specification | HN325 | HN355 | HN426 | HN500 |
|---|---|---|---|---|
| Pressing Force | 325 Tons | 360 Tons | 500 Tons | 620 Tons |
| System Pressure | 60 Mpa | 63 Mpa | 70 Mpa | 75 Mpa |
| Cake Surface Pressure | 27.78 Mpa | 30.15 Mpa | 42 Mpa | 52 Mpa |
| Motor Power | 2.2 KW | 2.2 KW | 2.2 KW | 2.2 KW |
| Single Barrel Weight | 1.42 T | 2.1 T | 2.4 T | 3.5 T |
| Double Barrel Weight | 1.72 T | 2.5 T | 2.7 T | 3.88 T |
| Barrel Inner Diameter | 390 mm | 390 mm | 390 mm | 390 mm |
| Barrel Height | 800 mm | 800 mm | 800 mm | 800 mm |
| Piston Diameter | 260 mm | 280 mm | 320 mm | 360 mm |
| Cylinder Stroke | 850 mm | 850 mm | 850 mm | 850 mm |
| Single Dimensions | 1200ร1200ร2450 | 1200ร1200ร2650 | 1200ร1200ร2750 | 1200ร1200ร2750 |
| Plating Option | Chrome (optional) | Chrome / Nickel | Nickel (standard) | Nickel (standard) |
Which Model Is Right for You?
HN325 โ Best for Starting Out
325 tons. Our entry-level workhorse. Lowest machine cost, lowest shipping cost (lightest at 1.42T single). The best-selling model by volume. Ideal for village-scale mills processing 100-300 kg/day of sesame, groundnut, or mustard. Runs on standard 2.2KW power โ no special electrical work needed. If budget is your main constraint, start here.
View HN325 Details โHN355 โ Best for Growing Mills
360 tons. Most popular model overall. 35 tons more force than HN325 with only 0.68T extra weight. The wider 280mm piston generates 30.15 Mpa cake pressure โ enough for harder seeds like rapeseed and flax. Our recommendation for mills producing 300-600 kg/day that want room to grow.
View HN355 Details โHN426 โ Best for Hard Nuts & Premium Oil
500 tons. The cold-press specialist. 42 Mpa cake pressure cracks hard-shell nuts (walnut, apricot kernel, tiger nut) that smaller models struggle with. Nickel-plated barrel comes standard โ important for acidic seeds and food-grade certification. Choose this if you're selling premium cold-pressed oil to cosmetics or health food buyers.
View HN426 Details โHN500 โ Best for Industrial Scale
620 tons. Our biggest standard model. 52 Mpa cake pressure โ extracts the last 2-3% of oil that smaller machines leave behind. Weighs 3.5T single / 3.88T dual, so plan for reinforced concrete foundation. Ships partially disassembled. For mills running 800+ kg/day or multiple seed types back-to-back, the capacity pays for itself.
View HN500 Details โOutput Estimates by Seed Type
Approximate daily output (8-hour shift, single barrel, hot press). Actual output depends on seed quality, moisture content, and operator experience.
| Seed Type | HN325 | HN355 | HN426 | HN500 |
|---|---|---|---|---|
| Sesame | 240-320 kg | 320-480 kg | 480-720 kg | 640-960 kg |
| Groundnut (shelled) | 160-240 kg | 240-400 kg | 400-600 kg | 560-800 kg |
| Mustard | 200-280 kg | 280-400 kg | 400-600 kg | 560-800 kg |
| Tea Seed | 120-200 kg | 200-320 kg | 320-480 kg | 480-640 kg |
| Walnut (in-shell) | N/R | 80-120 kg | 160-240 kg | 240-360 kg |
| Coconut (copra) | 320-480 kg | 480-640 kg | 640-800 kg | 800-1200 kg |
* N/R = Not recommended. Hot press estimates. Cold press output is approximately 15-20% lower.
Still Not Sure?
Tell us your seed type and daily target, and we'll recommend the model that fits. No obligation โ just a straight answer from people who build these machines.