KR 120 R3900-2 K C01 vs KR 70 R2100 HO
Side-by-side comparison of KR 120 R3900-2 K C01 (KUKA Robotics) and KR 70 R2100 HO (KUKA Robotics) — specs, pricing, Robo Index, 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 K C01Germany
- KR 70 R2100 HOGermany
Verified Deployments
- KR 120 R3900-2 K C010 Deployments
- KR 70 R2100 HO0 Deployments
Layer 2: Operational
Price Range (USD)
- KR 120 R3900-2 K C01$19,000 USD
- KR 70 R2100 HO$52,000 USD
Availability Status
- KR 120 R3900-2 K C01ACTIVE
- KR 70 R2100 HOACTIVE
Arm Mechanics
Repeatability
- KR 120 R3900-2 K C01±0.05 mm
- KR 70 R2100 HO±0.05 mm
IP Rating (Arm)
- KR 120 R3900-2 K C01IP65
- KR 70 R2100 HOIP65
Reach
- KR 120 R3900-2 K C013,100 mm
- KR 70 R2100 HO2,101 mm
Payload
- KR 120 R3900-2 K C01120 kg
- KR 70 R2100 HO70 kg
Degrees of Freedom
- KR 120 R3900-2 K C016
- KR 70 R2100 HO6
Robot Weight
- KR 120 R3900-2 K C011,280 kg
- KR 70 R2100 HO536 kg
IP Rating (Wrist)
- KR 120 R3900-2 K C01IP65/IP67
- KR 70 R2100 HOIP65/IP67
Performance
MTBF
- KR 120 R3900-2 K C01400,000 hrs
- KR 70 R2100 HO—
Duty Cycle
- KR 120 R3900-2 K C01continuous 24 7
- KR 70 R2100 HOcontinuous 24 7
Safety
Dual Check Safety
- KR 120 R3900-2 K C01—
- KR 70 R2100 HOYes
Controller & Programming
Controller Model
- KR 120 R3900-2 K C01KR C5; KR C4
- KR 70 R2100 HOKR C5; KR C4
Programming Languages
- KR 120 R3900-2 K C01KRL
- KR 70 R2100 HOKRL
Teach Pendant Type
- KR 120 R3900-2 K C01smart pad
- KR 70 R2100 HOwired touch
Offline Programming
- KR 120 R3900-2 K C01KUKA.Sim
- KR 70 R2100 HOKUKA.Sim
Connectivity
ROS-Industrial Support
- KR 120 R3900-2 K C01—
- KR 70 R2100 HOcommunity
IoT / Cloud Platform
- KR 120 R3900-2 K C01KUKA Connect
- KR 70 R2100 HOKUKA Connect
Predictive Maintenance
- KR 120 R3900-2 K C01—
- KR 70 R2100 HOthreshold based
End-Effector
Tool Flange Standard
- KR 120 R3900-2 K C01ISO 9409-1
- KR 70 R2100 HOISO 9409-1
Tool Changer (ISO)
- KR 120 R3900-2 K C01none
- KR 70 R2100 HOStäubli
Internal Cable Routing
- KR 120 R3900-2 K C01through arm and wrist
- KR 70 R2100 HOthrough arm and wrist
Commercial
Price (USD)
- KR 120 R3900-2 K C01$19,000 USD
- KR 70 R2100 HO$52,000 USD
Warranty
- KR 120 R3900-2 K C01—
- KR 70 R2100 HO1 yrs
Service Network
- KR 120 R3900-2 K C01global
- KR 70 R2100 HOglobal
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | Germany | Germany |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $19,000 USD | $52,000 USD |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Repeatability (priority for Healthcare & Hospitals buyers) | ±0.05 mm | ±0.05 mm |
| IP Rating (Arm) (priority for Healthcare & Hospitals buyers) | IP65 | IP65 |
| Reach (priority for Healthcare & Hospitals buyers) (values differ) | 3,100 mm | 2,101 mm |
| Payload (values differ) | 120 kg | 70 kg |
| Degrees of Freedom | 6 | 6 |
| Robot Weight (values differ) | 1,280 kg | 536 kg |
| IP Rating (Wrist) | IP65/IP67 | IP65/IP67 |
| Performance | ||
| MTBF (values differ) | 400,000 hrs | — |
| Duty Cycle | continuous 24 7 | continuous 24 7 |
| Safety | ||
| Dual Check Safety (values differ) | — | Yes |
| Controller & Programming | ||
| Controller Model | KR C5; KR C4 | KR C5; KR C4 |
| Programming Languages (values differ) | KRL | KRL |
| Teach Pendant Type (values differ) | smart pad | wired touch |
| Offline Programming | KUKA.Sim | KUKA.Sim |
| Connectivity | ||
| ROS-Industrial Support (values differ) | — | community |
| IoT / Cloud Platform | KUKA Connect | KUKA Connect |
| Predictive Maintenance (values differ) | — | threshold based |
| End-Effector | ||
| Tool Flange Standard | ISO 9409-1 | ISO 9409-1 |
| Tool Changer (ISO) (values differ) | none | Stäubli |
| Internal Cable Routing | through arm and wrist | through arm and wrist |
| Commercial | ||
| Price (USD) (values differ) | $19,000 USD | $52,000 USD |
| Warranty (values differ) | — | 1 yrs |
| Service Network | global | global |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Year First Available, Battery / Shift Runtime, Path Accuracy, Max TCP Speed, Cycle Time (25/305/25), Vibration Damping, Safety Category, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Digital Twin Support, Communication Protocols, Cybersecurity Certs, 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 KR 120 R3900-2 K C01 and KR 70 R2100 HO?
KR 120 R3900-2 K C01 is made by KUKA Robotics, based in DE. KR 70 R2100 HO is made by KUKA Robotics, based in DE.
How much does KR 120 R3900-2 K C01 cost compared to KR 70 R2100 HO?
KR 120 R3900-2 K C01 is listed at $19,000. KR 70 R2100 HO is listed at $52,000.
How do KR 120 R3900-2 K C01 and KR 70 R2100 HO compare on the Robo Index?
KR 120 R3900-2 K C01 scores 96/100. KR 70 R2100 HO scores 92/100. The Robo Index blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
How does the reach of KR 120 R3900-2 K C01 compare to KR 70 R2100 HO?
KR 120 R3900-2 K C01 has a reach of 3100 mm. KR 70 R2100 HO has a reach of 2101 mm.
Are KR 120 R3900-2 K C01 and KR 70 R2100 HO 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 C01 and KR 70 R2100 HO?
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 C01 vs KR 70 R2100 HO 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.