KR 120 R3100-2 F vs SR
Side-by-side comparison of KR 120 R3100-2 F (KUKA Robotics) and SR (DAIHEN) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Last-Mile Delivery buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- KR 120 R3100-2 FGermany
- SRJapan
Year First Available
- KR 120 R3100-2 F—
- SR1983
Verified Deployments
- KR 120 R3100-2 F0 Deployments
- SR0 Deployments
Layer 2: Operational
Availability Status
- KR 120 R3100-2 FACTIVE
- SRACTIVE
Arm Mechanics
Payload
- KR 120 R3100-2 F120 kg
- SR—
IP Rating (Arm)
- KR 120 R3100-2 FIP 65; IP 67
- SR—
Reach
- KR 120 R3100-2 F3,100 mm
- SR—
Degrees of Freedom
- KR 120 R3100-2 F6
- SR6
Repeatability
- KR 120 R3100-2 F±0.05 mm
- SR—
Robot Weight
- KR 120 R3100-2 F1,105 kg
- SR—
IP Rating (Wrist)
- KR 120 R3100-2 FIP67
- SR—
Controller & Programming
Controller Model
- KR 120 R3100-2 FKUKA KR C4 Controller
- SRAX series controller (co-developed with Nachi-Fujikoshi)
Teach Pendant Type
- KR 120 R3100-2 F—
- SRwired button
Commercial
Service Network
- KR 120 R3100-2 Fglobal
- 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 | ||
| Payload (priority for Last-Mile Delivery buyers) (values differ) | 120 kg | — |
| IP Rating (Arm) (priority for Last-Mile Delivery buyers) (values differ) | IP 65; IP 67 | — |
| Reach (values differ) | 3,100 mm | — |
| Degrees of Freedom | 6 | 6 |
| Repeatability (values differ) | ±0.05 mm | — |
| Robot Weight (values differ) | 1,105 kg | — |
| IP Rating (Wrist) (values differ) | IP67 | — |
| Controller & Programming | ||
| Controller Model (values differ) | KUKA KR C4 Controller | AX series controller (co-developed with Nachi-Fujikoshi) |
| Teach Pendant Type (values differ) | — | wired button |
| 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, 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 Flange Standard, Tool Changer (ISO), Internal Cable Routing, Pneumatic Lines, Electrical Lines, Price (USD), Warranty, Spare Parts Lead Time, Expected Service Life
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes KR 120 R3100-2 F and SR?
KR 120 R3100-2 F is made by KUKA Robotics, based in DE. SR is made by DAIHEN, based in JP.
How do KR 120 R3100-2 F and SR compare on the Robo Index?
KR 120 R3100-2 F grades A 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.
Are KR 120 R3100-2 F 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 KR 120 R3100-2 F 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
KR 120 R3100-2 F 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.