Side-by-side comparison of EcoRP4 (Dürr Systems AG) and SR (DAIHEN) — specs, pricing, Robo Index, and verified deployments. Updated daily.
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Manufacturer Country

Year First Available

Verified Deployments

Availability Status

Degrees of Freedom

Vibration Damping

Controller Model

Teach Pendant Type

Offline Programming

Digital Twin Support

Predictive Maintenance

Service Network

| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Germany | Japan |
| Year First Available (values differ) | 2023 | 1983 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Degrees of Freedom (values differ) | — | 6 |
| Performance | ||
| Vibration Damping (values differ) | active model based | — |
| Controller & Programming | ||
| Controller Model (values differ) | — | AX series controller (co-developed with Nachi-Fujikoshi) |
| Teach Pendant Type (values differ) | — | wired button |
| Offline Programming (values differ) | DXQ3D.onsite | — |
| Digital Twin Support (values differ) | Yes | — |
| Connectivity | ||
| Predictive Maintenance (values differ) | ml based | — |
| Commercial | ||
| Service Network | global | global |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Price Range (USD), Battery / Shift Runtime, Payload, Reach, Repeatability, Path Accuracy, Max TCP Speed, Robot Weight, IP Rating (Arm), IP Rating (Wrist), 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, Communication Protocols, ROS-Industrial Support, IoT / Cloud Platform, Cybersecurity Certs, Tool Flange Standard, Tool Changer (ISO), Internal Cable Routing, Pneumatic Lines, Electrical Lines, Price (USD), Warranty, Spare Parts Lead Time, Expected Service Life
Frequently asked
EcoRP4 is made by Dürr Systems AG, based in DE. SR is made by DAIHEN, based in JP.
EcoRP4 launched in 2023. SR launched in 1983.
EcoRP4 grades BB on the Robo Index. SR 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.
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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EcoRP4 vs SR 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.