Side-by-side comparison of Epson All-In-One Series Robots (Epson) and KR 120 R3900-2 K (KUKA Robotics) — 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.
Manufacturer Country


Year First Available


Verified Deployments


Price Range (USD)


Availability Status


Repeatability


IP Rating (Arm)


Reach


Payload


Degrees of Freedom


Robot Weight


IP Rating (Wrist)


Cycle Time (25/305/25)


Duty Cycle


Vibration Damping


Controller Model


Programming Languages


Teach Pendant Type


Offline Programming


ROS-Industrial Support


Tool Flange Standard


Internal Cable Routing


Pneumatic Lines


Electrical Lines


Price (USD)


Warranty


Service Network


![]() | ![]() | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Japan | Germany |
| Year First Available (values differ) | — | 2015 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $7,495–$13,900 USD | $19,000–$84,900 USD |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Repeatability (priority for Healthcare & Hospitals buyers) (values differ) | ±0.1 mm | ±0.04 mm |
| IP Rating (Arm) (priority for Healthcare & Hospitals buyers) (values differ) | IP67 | IP65 |
| Reach (priority for Healthcare & Hospitals buyers) (values differ) | 900 mm | 3,904 mm |
| Payload (values differ) | 8 kg | 146 kg |
| Degrees of Freedom | 6 | 6 |
| Robot Weight (values differ) | 53 kg | 42 kg |
| IP Rating (Wrist) (values differ) | — | IP67 |
| Performance | ||
| Cycle Time (25/305/25) (values differ) | 0.5 s | — |
| Duty Cycle (values differ) | continuous 24 7 | — |
| Vibration Damping (values differ) | active model based | — |
| Controller & Programming | ||
| Controller Model (values differ) | RC700-E | KR C5, KR C5 micro |
| Programming Languages (values differ) | SPEL+ | — |
| Teach Pendant Type (values differ) | wired touch | — |
| Offline Programming (values differ) | EPSON RC+ 7.0 | — |
| Connectivity | ||
| ROS-Industrial Support (values differ) | none | — |
| End-Effector | ||
| Tool Flange Standard (values differ) | ISO 9409-1 | — |
| Internal Cable Routing (values differ) | through arm and wrist | — |
| Pneumatic Lines (values differ) | 2 | — |
| Electrical Lines (values differ) | 1 | — |
| Commercial | ||
| Price (USD) (values differ) | $7,495–$13,900 USD | $19,000–$84,900 USD |
| Warranty (values differ) | — | 2 yrs |
| Service Network | global | 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, MTBF, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Digital Twin Support, Communication Protocols, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Changer (ISO), Spare Parts Lead Time, Expected Service Life
Frequently asked
Epson All-In-One Series Robots is made by Epson, based in JP. KR 120 R3900-2 K is made by KUKA Robotics, based in DE.
Epson All-In-One Series Robots scores 62/100. KR 120 R3900-2 K scores 78/100. The Robo Index blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
Epson All-In-One Series Robots has a reach of 900 mm. KR 120 R3900-2 K has a reach of 3904 mm.
Both robots are classified as Industrial Arm on Robolist. Filters and ranking treat them as direct alternatives.
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.
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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Epson All-In-One Series Robots vs KR 120 R3900-2 K 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.