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HIWIN RA605 Articulated Robot vs KR 120 R3900-2 K

Side-by-side comparison of HIWIN RA605 Articulated Robot (HIWIN Technologies Corp. — Automation Systems Division) and KR 120 R3900-2 K (KUKA Robotics) — specs, pricing, Robo Index, and verified deployments. Updated daily.

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Optimized for Agriculture buyers. Priority specs lifted to the top and marked with a target.

Layer 1: Identity & Trust

Manufacturer Country

  • HIWIN RA605 Articulated RobotTaiwan
  • KR 120 R3900-2 K
    KR 120 R3900-2 KGermany

Year First Available

  • HIWIN RA605 Articulated Robot2015
  • KR 120 R3900-2 K
    KR 120 R3900-2 K2015

Verified Deployments

  • HIWIN RA605 Articulated Robot0 Deployments
  • KR 120 R3900-2 K
    KR 120 R3900-2 K0 Deployments

Layer 2: Operational

Price

  • HIWIN RA605 Articulated RobotContact for quote
  • KR 120 R3900-2 K
    KR 120 R3900-2 K$19,000–$84,900 USD

Availability Status

  • HIWIN RA605 Articulated RobotACTIVE
  • KR 120 R3900-2 K
    KR 120 R3900-2 KACTIVE

Arm Mechanics

IP Rating (Arm)

  • HIWIN RA605 Articulated Robot
  • KR 120 R3900-2 K
    KR 120 R3900-2 KIP65

Payload

  • HIWIN RA605 Articulated Robot
  • KR 120 R3900-2 K
    KR 120 R3900-2 K146 kg

Reach

  • HIWIN RA605 Articulated Robot
  • KR 120 R3900-2 K
    KR 120 R3900-2 K3,904 mm

Degrees of Freedom

  • HIWIN RA605 Articulated Robot6
  • KR 120 R3900-2 K
    KR 120 R3900-2 K6

Repeatability

  • HIWIN RA605 Articulated Robot±0.02 mm
  • KR 120 R3900-2 K
    KR 120 R3900-2 K±0.04 mm

Robot Weight

  • HIWIN RA605 Articulated Robot
  • KR 120 R3900-2 K
    KR 120 R3900-2 K42 kg

IP Rating (Wrist)

  • HIWIN RA605 Articulated Robot
  • KR 120 R3900-2 K
    KR 120 R3900-2 KIP67

Performance

Duty Cycle

  • HIWIN RA605 Articulated Robotcontinuous 24 7
  • KR 120 R3900-2 K
    KR 120 R3900-2 K

Controller & Programming

Controller Model

  • HIWIN RA605 Articulated Robot
  • KR 120 R3900-2 K
    KR 120 R3900-2 KKR C5, KR C5 micro

Programming Languages

  • HIWIN RA605 Articulated RobotHIWIN Script
  • KR 120 R3900-2 K
    KR 120 R3900-2 K

Teach Pendant Type

  • HIWIN RA605 Articulated Robotwired touch
  • KR 120 R3900-2 K
    KR 120 R3900-2 K

Offline Programming

  • HIWIN RA605 Articulated RobotHIWIN Robotic Suite
  • KR 120 R3900-2 K
    KR 120 R3900-2 K

End-Effector

Tool Flange Standard

  • HIWIN RA605 Articulated RobotISO 9409-1
  • KR 120 R3900-2 K
    KR 120 R3900-2 K

Internal Cable Routing

  • HIWIN RA605 Articulated Robotthrough arm
  • KR 120 R3900-2 K
    KR 120 R3900-2 K

Pneumatic Lines

  • HIWIN RA605 Articulated Robot2
  • KR 120 R3900-2 K
    KR 120 R3900-2 K

Electrical Lines

  • HIWIN RA605 Articulated Robot10
  • KR 120 R3900-2 K
    KR 120 R3900-2 K

Commercial

Price (USD)

  • HIWIN RA605 Articulated RobotContact for quote
  • KR 120 R3900-2 K
    KR 120 R3900-2 K$19,000–$84,900 USD

Warranty

  • HIWIN RA605 Articulated Robot
  • KR 120 R3900-2 K
    KR 120 R3900-2 K2 yrs

Service Network

  • HIWIN RA605 Articulated Robotregional
  • KR 120 R3900-2 K
    KR 120 R3900-2 Kglobal

Expected Service Life

  • HIWIN RA605 Articulated Robot10 yrs
  • KR 120 R3900-2 K
    KR 120 R3900-2 K

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, Vibration Damping, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Digital Twin Support, Communication Protocols, ROS-Industrial Support, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Changer (ISO), Spare Parts Lead Time

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

MetricHIWIN RA605 Articulated RobotKR 120 R3900-2 K
InvestmentNo price$51,950
Payback period12.5 mo
Net savings (5 yr)$198,050
ROI (5 yr)+381%

HIWIN RA605 Articulated Robot has no listed price, so payback can't be computed. Contact the manufacturer for a quote.

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 HIWIN RA605 Articulated Robot and KR 120 R3900-2 K?

HIWIN RA605 Articulated Robot is made by HIWIN Technologies Corp. — Automation Systems Division, based in TW. KR 120 R3900-2 K is made by KUKA Robotics, based in DE.

When were HIWIN RA605 Articulated Robot and KR 120 R3900-2 K launched?

HIWIN RA605 Articulated Robot launched in 2015. KR 120 R3900-2 K launched in 2015.

How do HIWIN RA605 Articulated Robot and KR 120 R3900-2 K compare on the Robo Index?

HIWIN RA605 Articulated Robot 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 HIWIN RA605 Articulated Robot compare to KR 120 R3900-2 K?

HIWIN RA605 Articulated Robot has a reach of 600 mm. KR 120 R3900-2 K has a reach of 3904 mm.

Are HIWIN RA605 Articulated Robot 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 HIWIN RA605 Articulated Robot 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

HIWIN RA605 Articulated Robot 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.