Side-by-side comparison of ESTUN S10-140 (Shenzhen Shuntong Auto Equipmen Co., Ltd.) and KR 120 R3900-2 K C01 (KUKA Robotics) — specs, pricing, Robolist Product Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Manufacturer Country

Verified Deployments

Price Range (USD)

Availability Status

Payload

Reach

Degrees of Freedom

Repeatability

Max TCP Speed

Robot Weight

IP Rating (Arm)

IP Rating (Wrist)

MTBF

Duty Cycle

Safety Category

Controller Model

Programming Languages

Teach Pendant Type

Offline Programming

IoT / Cloud Platform

Tool Flange Standard

Tool Changer (ISO)

Internal Cable Routing

Price (USD)

Service Network

Expected Service Life

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|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | China | Germany |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $7,000–$50,000 | $96,912 |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Payload (values differ) | 10 kg | 120 kg |
| Reach (values differ) | 1,400 mm | 3,100 mm |
| Degrees of Freedom | 6 | 6 |
| Repeatability (values differ) | ±0.03 mm | ±0.05 mm |
| Max TCP Speed (values differ) | 2.8 m/s | — |
| Robot Weight (values differ) | 38 kg | 1,280 kg |
| IP Rating (Arm) (values differ) | IP54 | IP65 |
| IP Rating (Wrist) (values differ) | — | IP65/IP67 |
| Performance | ||
| MTBF (values differ) | 20,000 hrs | 400,000 hrs |
| Duty Cycle | continuous 24 7 | continuous 24 7 |
| Safety | ||
| Safety Category (values differ) | Cat.3 PLd | — |
| Controller & Programming | ||
| Controller Model (values differ) | COB series | KR C5; KR C4 |
| Programming Languages (values differ) | Python, C++ | KRL |
| Teach Pendant Type (values differ) | manual guidance | smart pad |
| Offline Programming (values differ) | — | KUKA.Sim |
| Connectivity | ||
| IoT / Cloud Platform (values differ) | — | KUKA Connect |
| End-Effector | ||
| Tool Flange Standard (values differ) | ISO 9409-1-50-4-M6 | ISO 9409-1 |
| Tool Changer (ISO) (values differ) | — | none |
| Internal Cable Routing (values differ) | through arm | through arm and wrist |
| Commercial | ||
| Price (USD) (values differ) | $7,000–$50,000 | $96,912 |
| Service Network (values differ) | regional | global |
| Expected Service Life (values differ) | 10 yrs | — |
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, Cycle Time (25/305/25), Vibration Damping, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Digital Twin Support, Communication Protocols, ROS-Industrial Support, Cybersecurity Certs, Predictive Maintenance, Pneumatic Lines, Electrical Lines, Warranty, Spare Parts Lead Time
Frequently asked
ESTUN S10-140 is made by Shenzhen Shuntong Auto Equipmen Co., Ltd., based in CN. KR 120 R3900-2 K C01 is made by KUKA Robotics, based in DE.
ESTUN S10-140 scores 43/100. KR 120 R3900-2 K C01 scores 66/100. The Product Score blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
ESTUN S10-140 has a reach of 1400 mm. KR 120 R3900-2 K C01 has a reach of 3100 mm.
Both robots are classified as Industrial Arm on Robolist. Filters and ranking treat them as direct alternatives.
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.
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
ESTUN S10-140 vs KR 120 R3900-2 K C01 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 Product Score is calculated.