Oil Press Machines
Equipment scope, subtype choices and product references
Start with the process duty and input/output boundary, then examine a product family. Each crop map separates initial scope questions from conditional branches and alternatives.
Editorial equipment taxonomy and project-selection questions, not a plant design, mandatory machine list, supplier ranking or crop/model performance approval. Product names, scope and source notes are inherited unchanged from existing reviewed supplier references; supplier-level crop relationships must not be promoted to product-level suitability. Current supply and project configurations require direct confirmation.
How this scope changes across the four routes
- Sunflower: Compare full pressing with a separately scoped prepress/extraction branch. Hydraulic equipment is only a feed- and product-specific candidate, without a linked reviewed family here.
- Groundnut / peanut: Define flavour-led or other oil objectives and the prepared kernel feed. A hydraulic alternative needs its own complete batch-cycle trial; no reviewed family is linked here.
- Soybean: Include screw pressing only in a chosen mechanical route. Do not insert prepressing into a direct solvent route by default. Hydraulic pressing is not established here as a production alternative.
- Rapeseed / canola: Compare full-press and prepress/extraction duties using a consistent seed basis; cold-press and heat-conditioned routes need distinct configuration discussions.
Full-press / final-press screw equipment
- Input → output boundary
- Prepared feed → crude pressed oil + press cake
- Selection question
- Agree feed preparation, screw/cage arrangement, single or repeated pressing and oil/cake analytical bases.
Existing product-family references · 7
Read the original scope below. A system-level family does not itemize every component, and a supplier-level crop relationship does not approve this product for your feed. Confirm the selected subtype, configuration and crop directly.
- Achiever screw press series — French Oil Mill Machinery
Existing reviewed scope: The official page lists Achiever 11, 22, 33, 44, 55 and 66; configuration depends on material and process requirements.
Official product / application source
Original product-reference review: 2026-11-01. Official page directly retrieved
- SP final-press range — Harburg-Freudenberger
Existing reviewed scope: The official table identifies SP160, SP220F, SP280F and SP340F as final-pressing models. Final-press and pre-press ratings are not interchangeable.
Official product / application source
Original product-reference review: 2026-11-01. Official page directly retrieved
- YZS screw oil press series — ABC Machinery (KMEC)
Existing reviewed scope: The official page lists YZS-68 through YZS-165 and explicitly names sunflower, groundnut, soybean and rapeseed / canola. Select seed preparation and press configuration for the actual feedstock.
Official product / application source
Original product-reference review: 2026-11-01. Official page directly retrieved
- Lion Expeller press series — Anderson International
Existing reviewed scope: The official applications include soybean, canola/rapeseed, sunflower and peanuts. Published ratings are based on extruded soy; do not transfer them to other crops.
Official product / application source
Original product-reference review: 2026-11-01. Access status was not separately recorded in the original product reference.
- Peanut / groundnut expeller range — Goyum Screw Press
Existing reviewed scope: The official crop table lists GOYUM 60, MK-III, MK-IV, 150 and larger models.
Official product / application source
Original product-reference review: 2026-11-01. Access status was not separately recorded in the original product reference.
- Sunflower expeller range — Goyum Screw Press
Existing reviewed scope: The official crop table lists GOYUM 60, MK-III, MK-IV, 150, 240, 600 and 1500.
Official product / application source
Original product-reference review: 2026-11-01. Access status was not separately recorded in the original product reference.
- Compact CP1 / CP2 — Farmet
Existing reviewed scope: The Compact overview lists these configurations; its CP2 description names sunflower and rapeseed.
Official product / application source
Original product-reference review: 2026-11-01. Access status was not separately recorded in the original product reference.
Prepress screw equipment
- Input → output boundary
- Prepared feed → crude oil + cake for a separately selected downstream stage
- Selection question
- A prepress duty is not a final-press duty. Confirm cake condition and the receiving extraction system rather than comparing unlike ratings.
Existing product-family references · 1
Read the original scope below. A system-level family does not itemize every component, and a supplier-level crop relationship does not approve this product for your feed. Confirm the selected subtype, configuration and crop directly.
- SP pre-press range — Harburg-Freudenberger
Existing reviewed scope: The official SP table identifies SP220P, SP280P, SP340P and SP340XP as pre-pressing models. Feed preparation and final selection require confirmation.
Official product / application source
Original product-reference review: 2026-11-01. Official page directly retrieved
Batch hydraulic presses
- Input → output boundary
- Prepared batch → pressed oil + batch cake
- Selection question
- Assess the complete loading/pressing/unloading cycle, labour, feed-specific trial and product objective. No reviewed hydraulic product family is linked in this pass.
Product-reference gap: no subtype-specific existing supplier family is assigned in this pass. Use the process guidance and request an itemized, sourced offer.
All equipment categories · Explore the existing supplier directory · Project documents and downloads
Screw press vs hydraulic press
A screw (expeller) press conveys seed through a barrel of decreasing volume with a rotating worm, building pressure and friction heat that squeeze oil through cage-bar gaps while cake exits an adjustable choke — continuous, higher throughput, the standard choice for common oilseeds. A hydraulic press compresses a static batch at very high pressure — slower and more labor-intensive but gentle and cool, favored for premium sesame, cocoa butter and nut oils. The choice is throughput-and-product driven: screw for volume, hydraulic for low-volume premium.
What sets yield — and what wears out
In order of leverage: seed preparation (moisture 7–9%, roasting for hot pressing), pressing-element condition, choke setting, then machine size. The worm and cage bars are consumables that wear with throughput and seed abrasiveness — worn elements are the usual cause of slowly declining yield, so budget them as an operating cost and keep spares. Cold-press operation manages speed and feed to hold oil temperature low (commonly cited below ~60°C), trading yield for native flavor and color.
Types in this category
- Single-screw expeller press — continuous pressing for most oilseeds; general-purpose
- Double / multi-stage screw press — lower residual oil in one machine via staged pressing
- Cold press — operated to keep oil cool for premium, native-flavor oils
- Hydraulic press — batch, high-pressure, gentle — premium and specialty oils
- Integrated press unit — press with built-in heating/filter for small mills
Indicative specifications
| Parameter | Typical range |
|---|---|
| Single-pass cake residual | ~10–18% |
| Multi-stage residual | ~5–8% |
| Feed moisture window | ~7–9% |
| Wear parts | pressing worm + cage bars (consumables) |
| Cold-press oil temp (practice) | below ~60°C |
Processing stages this equipment serves
What to evaluate when choosing
Sourcing needs differ by equipment type; for oil press machines the questions that matter most are:
- Throughput vs seed — rated capacity (t/day) is quoted for a specific oilseed; ask for the figure on your actual seed and moisture.
- Press type — continuous screw/expeller for steady throughput, hydraulic for gentle premium batches; some seeds want cold pressing.
- Residual oil in cake — lower residual means better yield but higher wear; ask what residual the press holds on your seed.
- Wear-part supply — worms, cage bars and choke are consumables; confirm parts availability and lead time before buying.
Related equipment in the line
This equipment rarely stands alone. The steps and machines it connects with:
| Related equipment | How it connects |
|---|---|
| Pretreatment machines | feeds it — cleaning, dehulling, flaking and cooking come first |
| Filter machines | follows it — press oil carries fines that need filtering |
| Solvent extraction | partners with it — pre-press then solvent-extract the cake at scale |
Matching press type to seed and scale
The press decision follows the seed and the scale, not brand. High-oil seeds (sesame, sunflower, groundnut) press well; low-oil seeds like soybean are usually solvent-extracted instead. A screw press (expeller) is the continuous workhorse for steady throughput; a hydraulic press is a gentle batch method for premium small runs (sesame, cocoa, nut oils); cold pressing keeps the oil cool for flavour-led products at lower yield. For maximum mechanical recovery, a double or pre-press configuration lowers residual oil in the cake. Decide by asking which seed, what daily tonnage, and whether the market is premium-flavour or commodity — those three answers point to the type.
Residual oil, wear parts and running cost
Two numbers dominate the economics of a press. The first is residual oil in the cake — lower residual means more oil recovered, but pushing residual down raises wear and power draw, so there is a real trade-off to size for your seed. The second is wear-part life: the worm (screw), cage bars and choke are consumables that abrade against seed, and their cost and replacement lead time can matter more than the sticker price. When comparing presses, ask for the residual oil a machine holds on your seed, the expected wear-part life, and parts availability — a press that is cheap to buy but starves you of spares is expensive to run.
Related reading: How to choose an oil press: a step-by-step guide.
FAQ
What are the different types of oil press?
The main types are the screw press (expeller) for continuous throughput, the hydraulic press for gentle premium batches, cold-press machines that keep the oil cool for flavour, and double or pre-press configurations for higher mechanical recovery. Low-oil seeds like soybean are usually solvent-extracted rather than pressed.
Screw or hydraulic press for my mill?
Screw for continuous commercial throughput on common seeds; hydraulic for small-batch premium products where gentle, cool pressing matters more than speed.
Why is my yield slowly dropping?
Check pressing worm and cage-bar wear first — they are consumables. Then confirm seed moisture hasn't drifted seasonally.
Does a bigger press give higher yield?
Not by itself. Preparation, element condition and choke setting drive yield; size drives throughput. Use our calculators to size against your seed.
Is double pressing worth it?
Often yes when cake still holds 12%+ oil and oil price is healthy versus cake — a multi-stage press builds the second pass into one machine.