Buying a used industrial robot arm in the UK is not the same as buying a used cobot. These are traditional caged industrial arms: KUKA KR series, ABB IRB series, FANUC M series, Yaskawa Motoman GP series. They are fast, accurate, and capable of sustained production across millions of cycles. They are also machines that will seriously injure or kill if a person enters the operating envelope during a cycle, and they require specialist programming, safety infrastructure, and integration work that cobots are specifically designed to reduce.
This guide is for buyers considering traditional industrial arms. If you are evaluating collaborative robots designed to work alongside people without fixed safety caging, our used cobot buyers guide covers that market separately. The two product categories have different total cost of ownership profiles, different safety requirements, and different integration paths. Read both before committing to a platform.
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Who Buys Used Industrial Robot Arms in the UK
The used industrial arm market in the UK draws from a consistent set of buyer profiles. Understanding which profile fits your situation helps frame the right questions when evaluating a purchase.
Automotive and Tier-1 Suppliers
Automotive suppliers running press shops, welding lines, and body-in-white operations are the single largest source of used industrial arms in the UK and also one of the main buyer categories for refurbished stock. When a line is retooled for a new model, arms with 5,000-12,000 hours logged are decommissioned and sold. A supplier scaling a second line can often buy back arms that ran on a comparable application.
Metal Fabricators and Welding Shops
Sheet metal fabricators, structural steel shops, and precision engineers buying their first or second robot often find that a used industrial arm in the 6-12 kg payload class covers 80% of their welding and machine tending requirements. At £4,000-8,000 for a KUKA KR6 or equivalent, the hardware price is within reach. The integration cost is the larger variable.
Electronics Manufacturers Decommissioning Older Lines
Electronics contract manufacturers upgrading to newer platforms sell off previous-generation ABB IRB 1200 and FANUC M-10i arms in good condition with moderate hours. These arms suit buyers doing pick-and-place, dispensing, and light assembly where accuracy matters more than raw speed.
Universities and Automation Labs
Universities setting up automation labs and vocational training facilities are steady buyers of used industrial arms. A KUKA KR6 with a KR C4 controller at £5,000-7,000 gives students hands-on experience with the same hardware running on production floors. The arms do not need to be run at production duty cycles in this context, so moderate-hours units are entirely appropriate.
Small Manufacturers Moving Into Automation
Small manufacturers doing palletising, welding, or machine tending who have outgrown manual operations represent the fastest-growing segment. For these buyers, the key question is not the arm price but the total cost of getting the cell running: safety infrastructure, integration, programming, and training.
The Four Main Platforms: Prices and Positioning
KUKA KR Series
KUKA KR series arms are the dominant platform in UK automotive and metal fabrication. The KR6 R900 in the 6 kg payload class is the most commonly traded unit in the UK used market.
Used price range for a KR6 R900 with KR C4 controller: £4,000-8,000.
KUKA arms are programmed in KRL (KUKA Robot Language), executed on the KUKA KR C controller. The current generation is KR C5; the previous generation KR C4 is still widely supported and the most common controller found with used arms. Confirm which controller generation accompanies the arm: controller software licences and option packages are tied to specific hardware generations, and a mismatch creates additional cost. For a full breakdown of KUKA-specific considerations, see our used KUKA robots guide.
ABB IRB Series
ABB IRB series arms cover payloads from 1.5 kg to over 800 kg. The IRB 1200 in the 5-7 kg range is the most traded used unit in the UK for small parts handling and light assembly.
Used price range for an ABB IRB 1200 with IRC5 controller: £5,000-10,000.
ABB arms run RAPID programming language on the IRC5 controller. The IRC5 is a mature, well-documented platform with strong UK support through ABB's service network and independent integrators. One ABB-specific consideration: the IRC5 FlexPendant teach pendant is controller-revision-specific. Confirm the pendant version matches the controller before purchase.
FANUC M Series
FANUC M series arms are the global market-share leader in industrial robotics and have a corresponding depth of used stock in the UK. The M-10iD/12 in the 12 kg payload class is the most common used unit for machine tending and general handling.
Used price range for a FANUC M-10iD/12 with R-30iB controller: £6,000-12,000.
FANUC arms are programmed in Teach Pendant (TP) language for standard applications, with KAREL available for more complex logic. The R-30iB is the current controller generation most frequently found with used M-series arms. FANUC's parts and consumables availability is consistently rated as the best in the industry, which matters when calculating long-term running costs.
Yaskawa Motoman GP Series
Yaskawa Motoman GP series arms are common in food and beverage, packaging, and general handling applications. The GP8 in the 8 kg payload class trades at slightly lower volumes in the UK than KUKA, ABB, or FANUC used stock, but represents good value.
Used price range for a Yaskawa GP8 with YRC1000 controller: £5,000-9,000.
Yaskawa arms are programmed using the INFORM language on the YRC1000 controller. The YRC1000 is a compact, modern controller that supports high-speed communication protocols for integrated cell control. Yaskawa's UK service network is smaller than KUKA, ABB, or FANUC, which is worth factoring into integrator selection.
What to Inspect Before Buying
Joint Backlash Test
The joint backlash test is the single most important mechanical check on a used industrial arm. The procedure: command each axis to a known position, apply rated payload or simulate it, release the brake briefly, and measure how far the joint drifts. Any axis showing more than 0.1 mm of positional error at rated payload needs a bearing inspection before you commit to purchase.
Do not skip this test on the basis of low hours. Backlash accumulates from acceleration profiles, not just cycle count. An arm that ran high-acceleration short-stroke cycles for five years may show more wear than one that ran slow-speed large-movement cycles for twice as long.
Teach Pendant: Non-Negotiable
The teach pendant must be physically present, confirmed functional, and included in the sale. This is not a negotiable point.
Teach pendants are model-specific and controller-generation-specific. A KUKA smartPAD for a KR C4 controller will not operate a KR C5 system. An ABB FlexPendant revision must match the IRC5 firmware version. Replacement pendants for current-generation controllers cost £500-3,000 and require procurement lead times of weeks to months for some models. Sourcing a pendant for an older or less common controller can take longer and cost more.
If a seller cannot produce the teach pendant, either walk away or obtain a written quotation for a replacement and negotiate that cost out of the purchase price before proceeding.
Controller Version and Software Licences
Confirm the controller generation accompanying the arm: KUKA KR C4 or C5, ABB IRC5, FANUC R-30iB or R-30iB Plus, Yaskawa YRC1000. Then confirm which software option packages and application licences are installed.
Software licences for arc welding, conveyor tracking, vision, or force control are installed on the controller and are not always transferable to a new owner without involvement from the manufacturer. Ask the seller to print the installed options list from the controller menu and confirm ownership of any application-specific licences before purchase.
Cable Harness Condition
The cable harness runs internally through the arm from the base to the tool flange, carrying power, signals, and in some configurations compressed air. Internal cables wear at articulation points, particularly at the axis 3-4 junction on most 6-axis arms. Jacket abrasion at this point is a common failure mode on arms with high accumulated cycles or aggressive duty profiles.
Inspect the external harness routing for visible abrasion. Ask whether the internal harness has been replaced and, if so, when. A harness replacement is a scheduled maintenance item on high-cycle arms; evidence that it has been done is a positive indicator of maintenance discipline.
Hours Meter
The hours meter is logged in the controller and shows accumulated operating hours since manufacture or last reset. Most industrial arms are factory-rated for 20,000 hours or more of operation. A production arm with 15,000 hours logged is not worn out, but it warrants closer mechanical inspection than a 5,000-hour unit.
Read the hours directly from the controller menu during your inspection visit. If the seller will not allow this, treat the refusal as a significant red flag.
Safety: What the Law Requires
Traditional industrial robot arms are not collaborative. They operate at speeds and forces that will cause serious injury or death if a person enters the operating envelope during a cycle. There is no sensor system that makes an unmodified industrial arm safe for human co-presence; that capability requires a different class of product designed for it from the ground up.
In the UK, industrial robot installations must comply with:
- PUWER 1998 (Provision and Use of Work Equipment Regulations): requires that work equipment is suitable for the task, maintained in a safe condition, and that users are adequately trained.
- The Machinery Directive (retained in UK law post-Brexit as the Supply of Machinery (Safety) Regulations 2008 and subsequent amendments): applies to the complete machine, meaning the integrated cell, not just the robot arm in isolation.
- BSEN ISO 10218 Parts 1 and 2: Part 1 covers the robot itself; Part 2 covers the integration of the robot into a complete system. Part 2 is the document most relevant to buyers commissioning a new installation.
In practical terms, compliance means a full perimeter safety cage with interlocked access gates, light curtains or area scanners at any point where a person could enter the cell without tripping an interlock, and a formal risk assessment documented before commissioning. Area scanners and light curtains used as protective devices must be rated to Category 3 or Performance Level d under EN ISO 13849.
Do not cut corners on safety infrastructure. The cost of an incident, in human terms and in regulatory and legal terms, vastly exceeds the cost of doing the safety system correctly at the outset.
Integration Reality: The Costs Beyond the Hardware
The arm price is the smallest cost in most industrial robot deployments. Budget planning that focuses on hardware price while treating integration as a secondary item will produce a stalled project.
Programming Languages and Integrator Requirements
Industrial arms require programming in their native language: KRL on KUKA, RAPID on ABB, TP/KAREL on FANUC, INFORM on Yaskawa. These are not interchangeable, and general automation engineers without robot-specific training cannot commission an arm without significant upskilling or external support.
When selecting an arm, identify your integrator first and confirm which platform they are most experienced with. The best arm for your application is often the one your integrator has commissioned thirty times, not the one with the lowest hardware price.
Integration Cost Ranges
Integration costs for a traditional industrial arm installation typically run:
- Simple single-purpose fixture, existing cell infrastructure: £10,000-20,000 including end-effector fabrication, programming, safety system installation, and commissioning.
- New cell build, standard application (welding, palletising, machine tending): £20,000-40,000 including cell design, fabrication, safety infrastructure, programming, and commissioning.
- Complex bespoke application (multi-arm, vision, force control): £40,000-80,000 or more.
These figures are illustrative. Get detailed quotations from at least two UK integrators before committing to a hardware purchase, and ensure the integration scope includes safety system design, risk assessment, operator training, and a commissioning acceptance test.
Universal Robots' Gen 7 announcement earlier this year is a useful reference point for understanding how the collaborative robot market is evolving in parallel. For some applications currently handled by caged industrial arms, cobot technology is closing the performance gap.
Buying Checklist Summary
Before completing any purchase, confirm the following:
- Teach pendant is physically present, model-matched, and functions on the controller.
- Controller generation is confirmed and matches the arm generation.
- Installed software option packages and licences are listed and transferable.
- Hours meter has been read directly from the controller.
- Joint backlash test has been completed on all axes.
- Cable harness condition has been inspected, particularly at the axis 3-4 junction.
- Safety caging, light curtains, and area scanners are scoped and budgeted.
- An integrator with relevant platform experience has been identified and quoted.
- PUWER and ISO 10218 compliance pathway is understood before commissioning.
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Summary
Used industrial robot arms from KUKA, ABB, FANUC, and Yaskawa represent strong value for UK manufacturers who need the speed, payload capacity, and repeatability that traditional caged arms deliver. Hardware prices of £4,000-12,000 are within reach for many buyers. Total deployment costs are not: budget £20,000-70,000 or more depending on the complexity of the application and the state of your safety infrastructure.
The non-negotiables on inspection are the teach pendant, the joint backlash test, and the hours meter. The non-negotiables on installation are PUWER compliance, ISO 10218-compliant safety caging, and an integrator who knows the platform. Get these right, and a well-chosen used industrial arm will deliver years of productive service.
If you are still deciding between a caged industrial arm and a collaborative robot, read our used cobot buyers guide before committing. The two categories suit different applications, and the right choice for your situation depends on payload, duty cycle, and whether human co-presence in the cell is a requirement.