KR 120 R3900-2 K vs Heavy-industry welding robots
Side-by-side comparison of KR 120 R3900-2 K (KUKA Robotics) and Heavy-industry welding robots (POSCO DX Co., Ltd.) — specs, pricing, Robolist Trust Score, 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
KR 120 R3900-2 KDE- Heavy-industry welding robotsKR
Year First Available
- KR 120 R3900-2 K2015
- Heavy-industry welding robots2022
Verified Deployments
- KR 120 R3900-2 K0 Deployments
- Heavy-industry welding robots0 Deployments
Layer 2: Operational
Price Range (USD)
- KR 120 R3900-2 K$19,000–$84,900
- Heavy-industry welding robotsContact for quote
Availability Status
- KR 120 R3900-2 KACTIVE
- Heavy-industry welding robotsACTIVE
Arm Mechanics
Reach
- KR 120 R3900-2 K3,904 mm
- Heavy-industry welding robots—
Repeatability
- KR 120 R3900-2 K±0.04 mm
- Heavy-industry welding robots—
Payload
- KR 120 R3900-2 K146 kg
- Heavy-industry welding robots—
IP Rating (Arm)
- KR 120 R3900-2 KIP65/IP67
- Heavy-industry welding robots—
Degrees of Freedom
- KR 120 R3900-2 K6
- Heavy-industry welding robots—
Robot Weight
- KR 120 R3900-2 K42 kg
- Heavy-industry welding robots—
IP Rating (Wrist)
- KR 120 R3900-2 KIP67
- Heavy-industry welding robots—
Controller & Programming
Controller Model
- KR 120 R3900-2 KKR C5
- Heavy-industry welding robots—
Commercial
Price (USD)
- KR 120 R3900-2 K$19,000–$84,900
- Heavy-industry welding robotsContact for quote
Warranty
- KR 120 R3900-2 K2 yrs
- Heavy-industry welding robots—
Service Network
- KR 120 R3900-2 Kglobal
- Heavy-industry welding robots—
| KR 120 R3900-2 Kindustrial-armKUKA Robotics 58.9Trust Score | Heavy-industry welding robotsindustrial-armPOSCO DX Co., Ltd. 0.0Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | DE | KR |
| Year First Available (values differ) | 2015 | 2022 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $19,000–$84,900 | Contact for quote |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Reach (priority for Manufacturing buyers) (values differ) | 3,904 mm | — |
| Repeatability (priority for Manufacturing buyers) (values differ) | ±0.04 mm | — |
| Payload (priority for Manufacturing buyers) (values differ) | 146 kg | — |
| IP Rating (Arm) (priority for Manufacturing buyers) (values differ) | IP65/IP67 | — |
| Degrees of Freedom (values differ) | 6 | — |
| Robot Weight (values differ) | 42 kg | — |
| IP Rating (Wrist) (values differ) | IP67 | — |
| Controller & Programming | ||
| Controller Model (values differ) | KR C5 | — |
| Commercial | ||
| Price (USD) (values differ) | $19,000–$84,900 | Contact for quote |
| Warranty (values differ) | 2 yrs | — |
| Service Network (values differ) | 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, 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, Teach Pendant Type, 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, Spare Parts Lead Time, Expected Service Life
best in categoryweakest in categoryvalues differ
About this comparison
KR 120 R3900-2 K vs Heavy-industry welding robots 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 Robolist Trust Score is calculated.