EcoRP4 vs KR 120 R3900-2 K
Side-by-side comparison of EcoRP4 (Dürr Systems AG) and KR 120 R3900-2 K (KUKA Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Hospitality & F&B buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- EcoRP4Germany
- KR 120 R3900-2 KGermany
Year First Available
- EcoRP42023
- KR 120 R3900-2 K2015
Verified Deployments
- EcoRP40 Deployments
- KR 120 R3900-2 K0 Deployments
Layer 2: Operational
Price Range (USD)
- EcoRP4Contact for quote
- KR 120 R3900-2 K$19,000–$84,900 USD
Availability Status
- EcoRP4ACTIVE
- KR 120 R3900-2 KACTIVE
Arm Mechanics
Payload
- EcoRP4—
- KR 120 R3900-2 K146 kg
Robot Weight
- EcoRP4—
- KR 120 R3900-2 K42 kg
Reach
- EcoRP4—
- KR 120 R3900-2 K3,904 mm
Degrees of Freedom
- EcoRP4—
- KR 120 R3900-2 K6
Repeatability
- EcoRP4—
- KR 120 R3900-2 K±0.04 mm
IP Rating (Arm)
- EcoRP4—
- KR 120 R3900-2 KIP65
IP Rating (Wrist)
- EcoRP4—
- KR 120 R3900-2 KIP67
Performance
Vibration Damping
- EcoRP4active model based
- KR 120 R3900-2 K—
Controller & Programming
Controller Model
- EcoRP4—
- KR 120 R3900-2 KKR C5, KR C5 micro
Offline Programming
- EcoRP4DXQ3D.onsite
- KR 120 R3900-2 K—
Digital Twin Support
- EcoRP4Yes
- KR 120 R3900-2 K—
Connectivity
Predictive Maintenance
- EcoRP4ml based
- KR 120 R3900-2 K—
Commercial
Price (USD)
- EcoRP4Contact for quote
- KR 120 R3900-2 K$19,000–$84,900 USD
Warranty
- EcoRP4—
- KR 120 R3900-2 K2 yrs
Service Network
- EcoRP4global
- KR 120 R3900-2 Kglobal
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | Germany | Germany |
| Year First Available (values differ) | 2023 | 2015 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | Contact for quote | $19,000–$84,900 USD |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Payload (priority for Hospitality & F&B buyers) (values differ) | — | 146 kg |
| Robot Weight (priority for Hospitality & F&B buyers) (values differ) | — | 42 kg |
| Reach (values differ) | — | 3,904 mm |
| Degrees of Freedom (values differ) | — | 6 |
| Repeatability (values differ) | — | ±0.04 mm |
| IP Rating (Arm) (values differ) | — | IP65 |
| IP Rating (Wrist) (values differ) | — | IP67 |
| Performance | ||
| Vibration Damping (values differ) | active model based | — |
| Controller & Programming | ||
| Controller Model (values differ) | — | KR C5, KR C5 micro |
| Offline Programming (values differ) | DXQ3D.onsite | — |
| Digital Twin Support (values differ) | Yes | — |
| Connectivity | ||
| Predictive Maintenance (values differ) | ml based | — |
| Commercial | ||
| Price (USD) (values differ) | Contact for quote | $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, Cycle Time (25/305/25), MTBF, Duty Cycle, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Programming Languages, Teach Pendant Type, Communication Protocols, ROS-Industrial Support, IoT / Cloud Platform, Cybersecurity Certs, Tool Flange Standard, Tool Changer (ISO), Internal Cable Routing, Pneumatic Lines, Electrical Lines, Spare Parts Lead Time, Expected Service Life
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes EcoRP4 and KR 120 R3900-2 K?
EcoRP4 is made by Dürr Systems AG, based in DE. KR 120 R3900-2 K is made by KUKA Robotics, based in DE.
When were EcoRP4 and KR 120 R3900-2 K launched?
EcoRP4 launched in 2023. KR 120 R3900-2 K launched in 2015.
How do EcoRP4 and KR 120 R3900-2 K compare on the Robo Index?
EcoRP4 grades BB on the Robo Index. KR 120 R3900-2 K grades AA. 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.
Are EcoRP4 and KR 120 R3900-2 K 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 EcoRP4 and KR 120 R3900-2 K?
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
EcoRP4 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.