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Industrial Intelligent 6-Axis Robot Arm vs KR 120 R3900-2 K

Side-by-side comparison of Industrial Intelligent 6-Axis Robot Arm (HANGZHOU KESU AUTOMATIC EQUIPMENT CO., LTD.) and KR 120 R3900-2 K (KUKA Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.

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Optimized for Home & Household buyers. Priority specs lifted to the top and marked with a target.

Layer 1: Identity & Trust

Manufacturer Country

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm
  • KR 120 R3900-2 K
    KR 120 R3900-2 KGermany

Year First Available

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm
  • KR 120 R3900-2 K
    KR 120 R3900-2 K2015

Verified Deployments

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm0 Deployments
  • KR 120 R3900-2 K
    KR 120 R3900-2 K0 Deployments

Layer 2: Operational

Price

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm$30,000 USD
  • KR 120 R3900-2 K
    KR 120 R3900-2 K$19,000–$84,900 USD

Availability Status

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot ArmACTIVE
  • KR 120 R3900-2 K
    KR 120 R3900-2 KACTIVE

Arm Mechanics

Robot Weight

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm
  • KR 120 R3900-2 K
    KR 120 R3900-2 K42 kg

Payload

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm5 kg
  • KR 120 R3900-2 K
    KR 120 R3900-2 K146 kg

Reach

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm990 mm
  • KR 120 R3900-2 K
    KR 120 R3900-2 K3,904 mm

Degrees of Freedom

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm6
  • KR 120 R3900-2 K
    KR 120 R3900-2 K6

Repeatability

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm±0.05 mm
  • KR 120 R3900-2 K
    KR 120 R3900-2 K±0.04 mm

IP Rating (Arm)

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm
  • KR 120 R3900-2 K
    KR 120 R3900-2 KIP65

IP Rating (Wrist)

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm
  • KR 120 R3900-2 K
    KR 120 R3900-2 KIP67

Controller & Programming

Controller Model

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm
  • KR 120 R3900-2 K
    KR 120 R3900-2 KKR C5, KR C5 micro

Commercial

Price (USD)

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm$30,000 USD
  • KR 120 R3900-2 K
    KR 120 R3900-2 K$19,000–$84,900 USD

Warranty

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm
  • KR 120 R3900-2 K
    KR 120 R3900-2 K2 yrs

Service Network

  • Industrial Intelligent 6-Axis Robot Arm
    Industrial Intelligent 6-Axis Robot Arm
  • KR 120 R3900-2 K
    KR 120 R3900-2 Kglobal

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

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

MetricIndustrial Intelligent 6-Axis Robot ArmKR 120 R3900-2 K
Investment$30,000$51,950
Payback period7.2 mo12.5 mo
Net savings (5 yr)$220,000$198,050
ROI (5 yr)+733%+381%

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 Industrial Intelligent 6-Axis Robot Arm and KR 120 R3900-2 K?

Industrial Intelligent 6-Axis Robot Arm is made by HANGZHOU KESU AUTOMATIC EQUIPMENT CO., LTD.. KR 120 R3900-2 K is made by KUKA Robotics, based in DE.

How do Industrial Intelligent 6-Axis Robot Arm and KR 120 R3900-2 K compare on the Robo Index?

Industrial Intelligent 6-Axis Robot Arm grades BB on the Robo Index. KR 120 R3900-2 K grades AAA. 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 Industrial Intelligent 6-Axis Robot Arm compare to KR 120 R3900-2 K?

Industrial Intelligent 6-Axis Robot Arm has a reach of 990 mm. KR 120 R3900-2 K has a reach of 3904 mm.

Are Industrial Intelligent 6-Axis Robot Arm and KR 120 R3900-2 K 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 Industrial Intelligent 6-Axis Robot Arm and KR 120 R3900-2 K?

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.

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About this comparison

Industrial Intelligent 6-Axis Robot Arm vs KR 120 R3900-2 K 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.