KR 120 R3900-2 K vs robolink ReBeL SCARA
Side-by-side comparison of KR 120 R3900-2 K (KUKA Robotics) and robolink ReBeL SCARA (igus) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Healthcare & Hospitals buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- KR 120 R3900-2 KGermany

- robolink ReBeL SCARAGermany

Year First Available
- KR 120 R3900-2 K2015

- robolink ReBeL SCARA—

Verified Deployments
- KR 120 R3900-2 K0 Deployments

- robolink ReBeL SCARA0 Deployments

Layer 2: Operational
Price
- KR 120 R3900-2 K$19,000–$84,900 USD

- robolink ReBeL SCARAContact for quote

Availability Status
- KR 120 R3900-2 KACTIVE

- robolink ReBeL SCARAACTIVE

Arm Mechanics
Repeatability
- KR 120 R3900-2 K±0.04 mm

- robolink ReBeL SCARA±1 mm

IP Rating (Arm)
- KR 120 R3900-2 KIP65

- robolink ReBeL SCARAIP45

Reach
- KR 120 R3900-2 K3,904 mm

- robolink ReBeL SCARA664 mm

Payload
- KR 120 R3900-2 K146 kg

- robolink ReBeL SCARA2 kg

Degrees of Freedom
- KR 120 R3900-2 K6

- robolink ReBeL SCARA6

Robot Weight
- KR 120 R3900-2 K42 kg

- robolink ReBeL SCARA8.2 kg

IP Rating (Wrist)
- KR 120 R3900-2 KIP67

- robolink ReBeL SCARA—

Controller & Programming
Controller Model
- KR 120 R3900-2 KKR C5, KR C5 micro

- robolink ReBeL SCARAigus Robot Control

Teach Pendant Type
- KR 120 R3900-2 K—

- robolink ReBeL SCARAno pendant (browser UI)

End-Effector
Tool Flange Standard
- KR 120 R3900-2 K—

- robolink ReBeL SCARAproprietary

Internal Cable Routing
- KR 120 R3900-2 K—

- robolink ReBeL SCARAthrough arm and wrist

Commercial
Price (USD)
- KR 120 R3900-2 K$19,000–$84,900 USD

- robolink ReBeL SCARAContact for quote

Warranty
- KR 120 R3900-2 K2 yrs

- robolink ReBeL SCARA—

Service Network
- KR 120 R3900-2 Kglobal

- robolink ReBeL SCARA—

![]() | ![]() | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | Germany | Germany |
| Year First Available (values differ) | 2015 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $19,000–$84,900 USD | Contact for quote |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Repeatability (priority for Healthcare & Hospitals buyers) (values differ) | ±0.04 mm | ±1 mm |
| IP Rating (Arm) (priority for Healthcare & Hospitals buyers) (values differ) | IP65 | IP45 |
| Reach (priority for Healthcare & Hospitals buyers) (values differ) | 3,904 mm | 664 mm |
| Payload (values differ) | 146 kg | 2 kg |
| Degrees of Freedom | 6 | 6 |
| Robot Weight (values differ) | 42 kg | 8.2 kg |
| IP Rating (Wrist) (values differ) | IP67 | — |
| Controller & Programming | ||
| Controller Model (values differ) | KR C5, KR C5 micro | igus Robot Control |
| Teach Pendant Type (values differ) | — | no pendant (browser UI) |
| End-Effector | ||
| Tool Flange Standard (values differ) | — | proprietary |
| Internal Cable Routing (values differ) | — | through arm and wrist |
| Commercial | ||
| Price (USD) (values differ) | $19,000–$84,900 USD | Contact for quote |
| Warranty (values differ) | 2 yrs | — |
| Service Network (values differ) | global | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, Path Accuracy, Max TCP Speed, Cycle Time (25/305/25), MTBF, Duty Cycle, Vibration Damping, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Programming Languages, Offline Programming, Digital Twin Support, Communication Protocols, ROS-Industrial Support, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Changer (ISO), Pneumatic Lines, Electrical Lines, Spare Parts Lead Time, Expected Service Life
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | KR 120 R3900-2 K | robolink ReBeL SCARA |
|---|---|---|
| Investment | $51,950 | No price |
| Payback period | 12.5 mo | — |
| Net savings (5 yr) | $198,050 | — |
| ROI (5 yr) | +381% | — |
robolink ReBeL SCARA has no listed price, so payback can't be computed. Contact the manufacturer for a quote.
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Trade-offs at a glance
Frequently asked
Who makes KR 120 R3900-2 K and robolink ReBeL SCARA?
KR 120 R3900-2 K is made by KUKA Robotics, based in DE. robolink ReBeL SCARA is made by igus, based in DE.
How do KR 120 R3900-2 K and robolink ReBeL SCARA compare on the Robo Index?
KR 120 R3900-2 K grades AAA on the Robo Index. robolink ReBeL SCARA grades A. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
How does the reach of KR 120 R3900-2 K compare to robolink ReBeL SCARA?
KR 120 R3900-2 K has a reach of 3904 mm. robolink ReBeL SCARA has a reach of 560 mm.
Are KR 120 R3900-2 K and robolink ReBeL SCARA in the same category?
Both robots are classified as Industrial Arm on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Industrial Arm robots?
Hardware cost is one input. Industrial Arm TCO also includes integration, training, downtime, and end-of-life. Our breakdown: TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming.
What should a buyer ask vendors when choosing between KR 120 R3900-2 K and robolink ReBeL SCARA?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Industrial Arm Vendor Selection: Capability Matrices and Proof Points.
Going deeper — picking the right robot
TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming
7 min readIndustrial Arms
Industrial Arm Vendor Selection: Capability Matrices and Proof Points
9 min readIndustrial Arms
Programming Approaches: Teach Pendant, Offline, AI-Assisted — What Each Costs You
8 min readIndustrial Arms
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
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About this comparison
KR 120 R3900-2 K vs robolink ReBeL SCARA compares two robots in the industrial-arm category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.