CNC Equipment & Robots
Used Fanuc ARC Mate 100iC: Sell or Buy at Auction
FANUC is the world's largest manufacturer of industrial robots and CNC systems, with a dominant position in factory automation globally. FANUC robots and CNC-controlled machines are ubiquitous in automotive, electronics, and precision manufacturing. The FANUC control system is the most widely installed CNC in the world.
The FANUC ARC Mate 100iC is a 6-axis articulated arc welding robot built on FANUC's compact, high-speed iC platform. In its standard arm configuration it carries about 10 kg of payload with roughly 1,420 mm of reach and repeatability near plus or minus 0.08 mm. The family also spans a 12 kg model on that same 1,420 mm arm, a short-reach /12S at about 1,098 mm, and long-arm /6L and /7L versions that trade payload down to 6 to 7 kg to extend reach past 1,600 mm, so the exact envelope depends on the unit. Every version is a GMAW (MIG) welder at heart, with TIG and plasma torches also supported. The signature feature is a hollow wrist paired with internal arm routing that carries the torch cable, wire conduit, and seam-tracking leads inside the casting, which keeps the dress package from snagging inside a tight fixture and holds torch angle repeatable weld after weld. Most units run a FANUC R-30iA or R-30iB controller, the same control platform found across FANUC's robot line, so teach-pendant programming and spare parts stay familiar to shops already running other FANUC cells. Buyers at auction tend to be metal fabricators, trailer and agricultural equipment manufacturers, and automotive-adjacent job shops expanding or replacing welding cells, plus systems integrators sourcing arms for retrofit and re-tooling projects. The compact reach and welding-specific tooling let these cells drop in faster than a general-purpose material-handling arm of similar size. KD Auctions places these welding cells, complete with controller, teach pendant, and torch or wire-feed hardware when available, in front of a network of 500,000+ industry contacts that includes fabrication shops and integrators actively hunting for a used FANUC arc welding robot for sale.
Buying a Used ARC Mate 100iC
Automotive manufacturers, electronics assemblers, precision machining shops, and systems integrators. International buyers, particularly from Mexico, Asia, and Eastern Europe, actively pursue FANUC robots at North American auctions.
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FANUC robots and automation equipment sell actively at auction with strong international demand. Complete robot cells with end-of-arm tooling, controllers, and programming documentation achieve the best results.
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Frequently Asked Questions
What is a used FANUC ARC Mate 100iC worth at auction?
There is no flat price. Value tracks the robot's age and hours, mechanical and electrical condition, controller generation (R-30iA versus R-30iB), arm configuration (standard, /12, or a long-arm /6L or /7L), and whether it sells complete with torch, wire feeder, and positioner or fixture tooling. KD Auctions provides a free, AMEA-accredited and USPAP-compliant appraisal covering both orderly liquidation value (OLV) and forced liquidation value (FLV), so a seller knows where the robot stands before it is listed.
How does the ARC Mate 100iC differ from the larger ARC Mate 120iC?
They are different size classes. The 100iC is the lighter, compact welder, roughly 6 to 12 kg of payload depending on variant and about 1,420 mm of standard reach, which suits tubing, sheet metal, and tight fixture cells running smaller weldments and precision seams. The ARC Mate 120iC steps up to the 20 kg class with a longer arm, giving more room for larger work envelopes, heavier torch or tandem-welding packages, and bigger weldments. Shops building small to mid-size parts usually target the 100iC specifically rather than paying for reach and payload they will not use.
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About Fanuc
FANUC is the world's largest manufacturer of industrial robots and CNC systems, with a dominant position in factory automation globally.
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