KR 120 R3900-2 K vs Leister Robotics
Side-by-side comparison of KR 120 R3900-2 K (KUKA Robotics) and Leister Robotics (Leister) — specs, pricing, Robo Score, 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.
Layer 1: Identity & Trust
Manufacturer Country
- KR 120 R3900-2 KGermany
- Leister RoboticsSwitzerland
Year First Available
- KR 120 R3900-2 K2015
- Leister Robotics—
Verified Deployments
- KR 120 R3900-2 K0 Deployments
- Leister Robotics0 Deployments
Layer 2: Operational
Price
- KR 120 R3900-2 K$19,000–$84,900 USD
- Leister RoboticsContact for quote
Availability Status
- KR 120 R3900-2 KACTIVE
- Leister RoboticsACTIVE
Arm Mechanics
Repeatability
- KR 120 R3900-2 K±0.04 mm
- Leister Robotics—
IP Rating (Arm)
- KR 120 R3900-2 KIP65
- Leister Robotics—
Reach
- KR 120 R3900-2 K3,904 mm
- Leister Robotics2,272 mm
Payload
- KR 120 R3900-2 K146 kg
- Leister Robotics—
Degrees of Freedom
- KR 120 R3900-2 K6
- Leister Robotics6
Robot Weight
- KR 120 R3900-2 K42 kg
- Leister Robotics3,800 kg
IP Rating (Wrist)
- KR 120 R3900-2 KIP67
- Leister Robotics—
Performance
Duty Cycle
- KR 120 R3900-2 K—
- Leister Roboticscontinuous 24 7
Controller & Programming
Controller Model
- KR 120 R3900-2 KKR C5, KR C5 micro
- Leister Robotics—
Teach Pendant Type
- KR 120 R3900-2 K—
- Leister Roboticswireless tablet
Offline Programming
- KR 120 R3900-2 K—
- Leister RoboticsLoyalty AI Welding System (included)
Digital Twin Support
- KR 120 R3900-2 K—
- Leister RoboticsYes
Commercial
Price (USD)
- KR 120 R3900-2 K$19,000–$84,900 USD
- Leister RoboticsContact for quote
Warranty
- KR 120 R3900-2 K2 yrs
- Leister Robotics—
Service Network
- KR 120 R3900-2 Kglobal
- Leister Roboticsregional
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Germany | Switzerland |
| Year First Available (values differ) | 2015 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $19,000–$84,900 USD | Contact for quote |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Repeatability (priority for Healthcare & Hospitals buyers) (values differ) | ±0.04 mm | — |
| IP Rating (Arm) (priority for Healthcare & Hospitals buyers) (values differ) | IP65 | — |
| Reach (priority for Healthcare & Hospitals buyers) (values differ) | 3,904 mm | 2,272 mm |
| Payload (values differ) | 146 kg | — |
| Degrees of Freedom | 6 | 6 |
| Robot Weight (values differ) | 42 kg | 3,800 kg |
| IP Rating (Wrist) (values differ) | IP67 | — |
| Performance | ||
| Duty Cycle (values differ) | — | continuous 24 7 |
| Controller & Programming | ||
| Controller Model (values differ) | KR C5, KR C5 micro | — |
| Teach Pendant Type (values differ) | — | wireless tablet |
| Offline Programming (values differ) | — | Loyalty AI Welding System (included) |
| Digital Twin Support (values differ) | — | Yes |
| Commercial | ||
| Price (USD) (values differ) | $19,000–$84,900 USD | Contact for quote |
| Warranty (values differ) | 2 yrs | — |
| Service Network (values differ) | global | regional |
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, Vibration Damping, 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, Predictive Maintenance, Tool Flange Standard, Tool Changer (ISO), Internal Cable Routing, Pneumatic Lines, Electrical Lines, Spare Parts Lead Time, Expected Service Life
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | KR 120 R3900-2 K | Leister Robotics |
|---|---|---|
| Investment | $51,950 | No price |
| Payback period | 12.5 mo | — |
| Net savings (5 yr) | $198,050 | — |
| ROI (5 yr) | +381% | — |
Leister Robotics has no listed price, so payback can't be computed. Contact the manufacturer for a quote.
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Trade-offs at a glance
Frequently asked
Who makes KR 120 R3900-2 K and Leister Robotics?
KR 120 R3900-2 K is made by KUKA Robotics, based in DE. Leister Robotics is made by Leister, based in CH.
How do KR 120 R3900-2 K and Leister Robotics compare on the Robo Score?
KR 120 R3900-2 K scores 78.0 on the Robo Score. Leister Robotics scores 53.1. The Robo Score is a 0–100 credibility figure blending commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
How does the reach of KR 120 R3900-2 K compare to Leister Robotics?
KR 120 R3900-2 K has a reach of 3904 mm. Leister Robotics has a reach of 2272 mm.
Are KR 120 R3900-2 K and Leister Robotics 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 R3900-2 K and Leister Robotics?
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 R3900-2 K vs Leister Robotics 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 Score is calculated.