KUKA KR 6 R900 Sixx Robot vs SR
Side-by-side comparison of KUKA KR 6 R900 Sixx Robot (KUKA Robotics) and SR (DAIHEN) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Manufacturing buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- KUKA KR 6 R900 Sixx RobotGermany
- SRJapan
Year First Available
- KUKA KR 6 R900 Sixx Robot—
- SR1983
Verified Deployments
- KUKA KR 6 R900 Sixx Robot0 Deployments
- SR0 Deployments
Layer 2: Operational
Availability Status
- KUKA KR 6 R900 Sixx RobotACTIVE
- SRACTIVE
Arm Mechanics
Repeatability
- KUKA KR 6 R900 Sixx Robot±0.03 mm
- SR—
Degrees of Freedom
- KUKA KR 6 R900 Sixx Robot6
- SR6
Controller & Programming
Controller Model
- KUKA KR 6 R900 Sixx RobotKR C4
- SRAX series controller (co-developed with Nachi-Fujikoshi)
Teach Pendant Type
- KUKA KR 6 R900 Sixx Robot—
- SRwired button
Commercial
Service Network
- KUKA KR 6 R900 Sixx Robot—
- SRglobal
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Germany | Japan |
| Year First Available (values differ) | — | 1983 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Repeatability (priority for Manufacturing buyers) (values differ) | ±0.03 mm | — |
| Degrees of Freedom | 6 | 6 |
| Controller & Programming | ||
| Controller Model (values differ) | KR C4 | AX series controller (co-developed with Nachi-Fujikoshi) |
| Teach Pendant Type (values differ) | — | wired button |
| Commercial | ||
| Service Network (values differ) | — | 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, Path Accuracy, Max TCP Speed, Robot Weight, IP Rating (Arm), IP Rating (Wrist), 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 Flange Standard, Tool Changer (ISO), Internal Cable Routing, Pneumatic Lines, Electrical Lines, Price (USD), Warranty, Spare Parts Lead Time, Expected Service Life
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Trade-offs at a glance
Frequently asked
Who makes KUKA KR 6 R900 Sixx Robot and SR?
KUKA KR 6 R900 Sixx Robot is made by KUKA Robotics, based in DE. SR is made by DAIHEN, based in JP.
How do KUKA KR 6 R900 Sixx Robot and SR compare on the Robo Index?
KUKA KR 6 R900 Sixx Robot scores 63/100. SR scores 74/100. The Robo Index blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
Are KUKA KR 6 R900 Sixx Robot and SR 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 KUKA KR 6 R900 Sixx Robot and SR?
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
KUKA KR 6 R900 Sixx Robot 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.