KR 120 R3900-2 K vs KR DELTA
Side-by-side comparison of KR 120 R3900-2 K (KUKA Robotics) and KR DELTA (KUKA Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Warehousing & Logistics buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- KR 120 R3900-2 KGermany
- KR DELTAGermany
Year First Available
- KR 120 R3900-2 K2015
- KR DELTA2021
Verified Deployments
- KR 120 R3900-2 K0 Deployments
- KR DELTA0 Deployments
Layer 2: Operational
Price Range (USD)
- KR 120 R3900-2 K$19,000–$84,900 USD
- KR DELTA$9,800–$10,000 USD
Availability Status
- KR 120 R3900-2 KACTIVE
- KR DELTAACTIVE
Arm Mechanics
Payload
- KR 120 R3900-2 K146 kg
- KR DELTA6 kg
Reach
- KR 120 R3900-2 K3,904 mm
- KR DELTA1,200 mm
Degrees of Freedom
- KR 120 R3900-2 K6
- KR DELTA3
Repeatability
- KR 120 R3900-2 K±0.04 mm
- KR DELTA—
Robot Weight
- KR 120 R3900-2 K42 kg
- KR DELTA260 kg
IP Rating (Arm)
- KR 120 R3900-2 KIP65
- KR DELTAIP67
IP Rating (Wrist)
- KR 120 R3900-2 KIP67
- KR DELTAIP69K
Performance
Cycle Time (25/305/25)
- KR 120 R3900-2 K—
- KR DELTA0.3 s
Duty Cycle
- KR 120 R3900-2 K—
- KR DELTAcontinuous 24 7
Controller & Programming
Controller Model
- KR 120 R3900-2 KKR C5, KR C5 micro
- KR DELTAKR C5 micro
Programming Languages
- KR 120 R3900-2 K—
- KR DELTAKRL
Teach Pendant Type
- KR 120 R3900-2 K—
- KR DELTAno pendant (browser UI)
Offline Programming
- KR 120 R3900-2 K—
- KR DELTAKUKA.Sim
Digital Twin Support
- KR 120 R3900-2 K—
- KR DELTAYes
Connectivity
IoT / Cloud Platform
- KR 120 R3900-2 K—
- KR DELTAKUKA Connect
Commercial
Price (USD)
- KR 120 R3900-2 K$19,000–$84,900 USD
- KR DELTA$9,800–$10,000 USD
Warranty
- KR 120 R3900-2 K2 yrs
- KR DELTA—
Service Network
- KR 120 R3900-2 Kglobal
- KR DELTAglobal
| | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | Germany | Germany |
| Year First Available (values differ) | 2015 | 2021 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $19,000–$84,900 USD | $9,800–$10,000 USD |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Payload (priority for Warehousing & Logistics buyers) (values differ) | 146 kg | 6 kg |
| Reach (values differ) | 3,904 mm | 1,200 mm |
| Degrees of Freedom (values differ) | 6 | 3 |
| Repeatability (values differ) | ±0.04 mm | — |
| Robot Weight (values differ) | 42 kg | 260 kg |
| IP Rating (Arm) (values differ) | IP65 | IP67 |
| IP Rating (Wrist) (values differ) | IP67 | IP69K |
| Performance | ||
| Cycle Time (25/305/25) (values differ) | — | 0.3 s |
| Duty Cycle (values differ) | — | continuous 24 7 |
| Controller & Programming | ||
| Controller Model (values differ) | KR C5, KR C5 micro | KR C5 micro |
| Programming Languages (values differ) | — | KRL |
| Teach Pendant Type (values differ) | — | no pendant (browser UI) |
| Offline Programming (values differ) | — | KUKA.Sim |
| Digital Twin Support (values differ) | — | Yes |
| Connectivity | ||
| IoT / Cloud Platform (values differ) | — | KUKA Connect |
| Commercial | ||
| Price (USD) (values differ) | $19,000–$84,900 USD | $9,800–$10,000 USD |
| Warranty (values differ) | 2 yrs | — |
| Service Network | global | global |
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, MTBF, Vibration Damping, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Communication Protocols, ROS-Industrial Support, Cybersecurity Certs, Predictive Maintenance, Tool Flange Standard, Tool Changer (ISO), Internal Cable Routing, 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 and KR DELTA?
KR 120 R3900-2 K is made by KUKA Robotics, based in DE. KR DELTA is made by KUKA Robotics, based in DE.
When were KR 120 R3900-2 K and KR DELTA launched?
KR 120 R3900-2 K launched in 2015. KR DELTA launched in 2021.
How do KR 120 R3900-2 K and KR DELTA compare on the Robo Index?
KR 120 R3900-2 K grades AA on the Robo Index. KR DELTA grades A. 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.
How does the reach of KR 120 R3900-2 K compare to KR DELTA?
KR 120 R3900-2 K has a reach of 3904 mm. KR DELTA has a reach of 1200 mm.
Are KR 120 R3900-2 K and KR DELTA 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 KR DELTA?
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 KR DELTA 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.