Used Geminis Machines We Buy

Who Makes Geminis Lathes

Geminis lathes are built by Geminis Lathes S.A., whose address is Lerun 1 in Elgoibar, Gipuzkoa, Spain. The company says it brings more than 60 years of experience to the design of its machines, and it builds large horizontal and mill-turn lathes for heavy, high-value parts.

Geminis is a wholly owned subsidiary of Maher Holding, an industrial group also based in Elgoibar. Maher's other companies include Lagun Machinery and Lagun Machine Tools, which build milling machines and machining centers, and Mecanizados Lerun, a precision machining shop. Geminis calls that shop, Mekalerun, a strategic partner: it specializes in machining headstocks and can machine bed lengths of more than 20 meters. Geminis also says its own shop can grind bed guides up to 20 meters long.

Geminis's Current Lines and How the Names Work

The maker's product menu lists three groups. The GTi range is the horizontal lathe line, with cast iron beds on rectangular guides, a headstock with 4 speed ranges and automatic changeover, and box-type carriages. The GMi range is a mill-turn line that Geminis says machines large, high-value parts in a single setup, with a twin-drive headstock for a precise C axis and a separate multiprocess column. The GRi range is railway maintenance equipment for wheels, axles, axle-wheel assemblies and brake discs.

In a current model name, the number sets the size class and the suffix sets the bed. On the GT5i, G2 means 2 upper box-type guides and G4 means 4. Geminis says the G4 suits work held in steady rests, because the carriage and the steady rests run on different slides. The GT5i turns 1,400 mm over the bed and is built in lengths from 1 to 24 m. The older GE, GHT and GT designations seen on many used machines are not described on the maker's current pages, so on those we read the size off the data plate.

Geminis Ranges by Part Size

Geminis names each current model by range and size class. These are the largest part each model takes, from the maker's product menu as listed in November 2026:

The GT models are horizontal lathes and the GM models are mill-turn lathes. Older GE, GHT and GT machines are not on this menu.

What Decides the Offer on a Used Geminis

On a Geminis the bed comes first: its length, whether it is a two-guide or four-guide build, and the condition of the guides the carriage and steady rests ride on. Geminis builds its beds long, so the length on the plate also sets the rigging plan.

Then come the options. Geminis fits turning turrets, motorized milling turrets, a Y axis, C-axis positioning and a milling column of up to 37 kW, and it offers grinding and boring devices on the same lathe. A machine with milling fitted is a different machine from a bare two-axis lathe, so list what is on the carriage. Spindle and headstock condition, the steady rests and tailstock, the control and the tooling that comes with it all count, and so does whether it runs under power.

Geminis Service and Retrofits, or Selling Outright

Geminis offers installation and start-up, CNC process support, operator training and after-sales service, and says it keeps spare parts available. It also retrofits old equipment: control system upgrades, new motors and drives, and better lubrication and cooling.

In the United States the maker lists Select Machining Tech. as a dealer, along with Morris, Gosiger and Hartwig locations, and EMEC Machine Tools in eastern Canada. Geminis showed at IMTS in Chicago in 2022 together with Select Machining. That network is the right call for a Geminis you plan to keep. For one you want off the floor, we buy it outright, and records of a retrofit or a new control are worth sending with the details.

What the 104 Geminis Listings Actually Are

Every listing in this hub carries the Geminis name and nothing else. The catalog files them five ways: Metal Cutting 59, CNC Lathes 40, CNC Miscellaneous Machines 2, Other 2, and Other Machines 1. Read the biggest number carefully. Metal Cutting is the catalog's generic parent bucket rather than a machine type, so 59 does not mean 59 of one kind of machine. The specific machine-type signal here is CNC Lathes at 40, and the catalog's own wording for part of this book is heavy-duty lathes. Underneath those categories sit 94 distinct model designations across the 104 listings. Only 8 designations repeat at all, covering 18 listings, which leaves 86 listings carrying a model string that appears exactly once. Build years, where recorded, run from 1978 to 2023, but a year is recorded on 64 of the 104, so that span covers 64 of the machines here and not all of them.

GE Is the Largest Line in This Hub

GE is the largest family value in this hub at 23 listings, and the catalog splits it almost evenly, 12 under Metal Cutting and 11 under CNC Lathes. That even split is worth stating, because it means the GE line here is not one narrow machine type. The recorded strings are the ones a buyer or a seller would actually type: GE-1000 appears three times, GE-650 twice, and single entries run through GE-1400, GE-1400S, GE650S, GE1200S, GE 1200-25, GE 590-A, GE 1000 S, and GE870 ID. GE870 is counted on its own as a separate family value at 5 listings, never added to the GE figure, and it leans lathe with 4 of those 5 filed under CNC Lathes. The catalog also records GE870 and GE-870 as two different strings. A plate reading GE 870 and a plate reading GE-870 describe the same size class, and we scope both the same way.

GHT and GT Machines in This Hub

GHT is the second cluster here, and each family value is counted on its own: GHT at 10 listings, GHT4 at 7, GHT5 at 5, GHT9 at 3, with GT5 at 3 and GT9 at 3 alongside them. The filing is where the useful detail sits. Of the nine families the catalog maps to a category, GT9 is the only one that lands entirely in one of them, all 3 under CNC Lathes, while GHT splits 7 Metal Cutting to 3 CNC Lathes, GHT4 splits 4 to 3, GHT5 leans lathe at 3 to 2, and GHT9 and GT5 each go 2 to 1. Recorded strings include GHT-4 G4-800 twice, plus GHT 4 G2, GHT4-G4, GHT 4 620, GHT 4 - 720x2000, GHT5 G2 1000 x 3000, GT5 G2, and GT9 G2 2000 X 8000. Those two-number designations are the catalog's own record of capacity, and they are why a rigging plan gets built off the machine's actual footprint.

What Determines the Offer on a Used Geminis

There is no blanket Geminis number, and this hub's composition is why. With 94 distinct designations across 104 listings, and 86 of those strings appearing exactly once, there is barely a repeated machine to average against, so each one gets scoped by itself. Jason Puuri looks at the machine rather than running it through a formula. What moves the number: capacity as recorded on the data plate, which is why size-coded strings like GE 870x4000, GE650x1500, and GHT 4 - 720x2000 are the first thing we read; spindle and way condition; whether it still holds tolerance; tailstock and steady-rest configuration; chuck and bar capacity; the tooling that comes with it; and whether the control is still serviceable. Age is a factor and not a gate. Recorded build years here run 1978 to 2023, a 45-year span, so a machine from either end of it is still worth sending to us.

Geminis Machines That Are Not GE, GHT, or GT

Not every Geminis here wears a GE, GHT, or GT badge. The CNC family accounts for 8 listings, filed 5 Metal Cutting and 3 CNC Lathes, and turns up as strings like CNC7-1300-2G and CNC 5PLUS 1000/2000. Below that sit SCNC at 2, D604D at 2, GEMINIS at 2, and 1400 at 2, none of which carry a recorded category filing in our data, so we do not guess at one. Then come the genuinely odd entries: SCNC-680, H304, F40, E602, M-302, 204B 200B, 3000 X 650, and one recorded only as 336 heads / 288 heads. Five listings sit in the catch-all buckets, 2 under CNC Miscellaneous Machines, 2 under Other, and 1 under Other Machines, and no family the catalog maps to a category reaches them. For a seller that is the point: with 86 of 104 strings appearing once, an unlisted model number is the normal case here.

Selling a Geminis Outright Instead of Consigning It

Machine Tool Exchange buys the Geminis outright, as a division of Superior Machine and Tool. That is the whole difference from the other three routes. Consignment leaves your money contingent on someone else buying the machine later. An auction sets a date and lets the room decide. A builder trade-in only works alongside a new-machine purchase. We agree the number before the machine moves, with no listing, no broker, and no new-machine purchase attached. One lathe or a full row comes on the same terms, and a row still gets scoped machine by machine rather than lumped into one blanket figure. We can arrange rigging and freight so you are not coordinating a crew. A machine that is idle, mid-repair, or pulled out during a changeover still gets an offer, and proof the company owns it outright rather than carrying it on a lease or finance agreement speeds up closing.