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ABB IRB-4600 vs AJ28

Side-by-side comparison of ABB IRB-4600 (ABB) and AJ28 (Elco Automation) — specs, pricing, Robo Score, and verified deployments. Updated daily.

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Layer 1: Identity & Trust

Manufacturer Country

  • ABB IRB-4600
    ABB IRB-4600Switzerland
  • AJ28
    AJ28

Year First Available

  • ABB IRB-4600
    ABB IRB-46002015
  • AJ28
    AJ282026

Verified Deployments

  • ABB IRB-4600
    ABB IRB-46000 Deployments
  • AJ28
    AJ280 Deployments

Layer 2: Operational

Availability Status

  • ABB IRB-4600
    ABB IRB-4600ACTIVE
  • AJ28
    AJ28ACTIVE

Arm Mechanics

Payload

  • ABB IRB-4600
    ABB IRB-460060 kg
  • AJ28
    AJ28

Reach

  • ABB IRB-4600
    ABB IRB-46002,550 mm
  • AJ28
    AJ28

Degrees of Freedom

  • ABB IRB-4600
    ABB IRB-46006
  • AJ28
    AJ28

Repeatability

  • ABB IRB-4600
    ABB IRB-4600±0.05 mm
  • AJ28
    AJ28

Path Accuracy

  • ABB IRB-4600
    ABB IRB-4600±0.5 mm
  • AJ28
    AJ28

Robot Weight

  • ABB IRB-4600
    ABB IRB-4600235 kg
  • AJ28
    AJ28

IP Rating (Arm)

  • ABB IRB-4600
    ABB IRB-4600IP67
  • AJ28
    AJ28IP50

IP Rating (Wrist)

  • ABB IRB-4600
    ABB IRB-4600IP67
  • AJ28
    AJ28

Performance

Cycle Time (25/305/25)

  • ABB IRB-4600
    ABB IRB-46000.4 s
  • AJ28
    AJ28

MTBF

  • ABB IRB-4600
    ABB IRB-4600100,000 hrs
  • AJ28
    AJ28

Duty Cycle

  • ABB IRB-4600
    ABB IRB-4600continuous 24 7
  • AJ28
    AJ28

Vibration Damping

  • ABB IRB-4600
    ABB IRB-4600active model based
  • AJ28
    AJ28

Safety

Safety Category

  • ABB IRB-4600
    ABB IRB-4600Cat.3 PLd
  • AJ28
    AJ28

Dual Check Safety

  • ABB IRB-4600
    ABB IRB-4600Yes
  • AJ28
    AJ28

Safety I/O Pairs

  • ABB IRB-4600
    ABB IRB-46008
  • AJ28
    AJ28

E-Stop Response

  • ABB IRB-4600
    ABB IRB-460010 ms
  • AJ28
    AJ28

Safe Zone Count

  • ABB IRB-4600
    ABB IRB-46003
  • AJ28
    AJ28

Controller & Programming

Controller Model

  • ABB IRB-4600
    ABB IRB-4600OmniCore
  • AJ28
    AJ28

Programming Languages

  • ABB IRB-4600
    ABB IRB-4600TP, KAREL
  • AJ28
    AJ28

Teach Pendant Type

  • ABB IRB-4600
    ABB IRB-4600smart pad
  • AJ28
    AJ28

Offline Programming

  • ABB IRB-4600
    ABB IRB-4600ROBOGUIDE
  • AJ28
    AJ28

Digital Twin Support

  • ABB IRB-4600
    ABB IRB-4600Yes
  • AJ28
    AJ28

Connectivity

ROS-Industrial Support

  • ABB IRB-4600
    ABB IRB-4600vendor supported
  • AJ28
    AJ28

IoT / Cloud Platform

  • ABB IRB-4600
    ABB IRB-4600FANUC ZDT
  • AJ28
    AJ28

Cybersecurity Certs

  • ABB IRB-4600
    ABB IRB-4600IEC 62443 SL1
  • AJ28
    AJ28

Predictive Maintenance

  • ABB IRB-4600
    ABB IRB-4600threshold based
  • AJ28
    AJ28

End-Effector

Tool Flange Standard

  • ABB IRB-4600
    ABB IRB-4600ISO 9409-1
  • AJ28
    AJ28

Tool Changer (ISO)

  • ABB IRB-4600
    ABB IRB-4600ATI
  • AJ28
    AJ28

Internal Cable Routing

  • ABB IRB-4600
    ABB IRB-4600through arm and wrist
  • AJ28
    AJ28external only

Pneumatic Lines

  • ABB IRB-4600
    ABB IRB-46002
  • AJ28
    AJ28

Electrical Lines

  • ABB IRB-4600
    ABB IRB-460012
  • AJ28
    AJ28

Commercial

Warranty

  • ABB IRB-4600
    ABB IRB-46001 yrs
  • AJ28
    AJ28

Service Network

  • ABB IRB-4600
    ABB IRB-4600global
  • AJ28
    AJ28

Spare Parts Lead Time

  • ABB IRB-4600
    ABB IRB-460014 days
  • AJ28
    AJ28

Expected Service Life

  • ABB IRB-4600
    ABB IRB-460010 yrs
  • AJ28
    AJ28

Insufficient data for full comparison

The following fields had no data for any of the selected robots: Price, Battery / Shift Runtime, Max TCP Speed, Communication Protocols, Price (USD)

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

MetricABB IRB-4600AJ28
InvestmentNo priceNo price
Payback period
Net savings (5 yr)
ROI (5 yr)

ABB IRB-4600, AJ28 have 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 ABB IRB-4600 and AJ28?

ABB IRB-4600 is made by ABB, based in CH. AJ28 is made by Elco Automation.

When were ABB IRB-4600 and AJ28 launched?

ABB IRB-4600 launched in 2015. AJ28 launched in 2026.

How do ABB IRB-4600 and AJ28 compare on the Robo Score?

ABB IRB-4600 scores 72.8 on the Robo Score. AJ28 scores 40.2. The Robo Score is a 0–100 credibility figure blending commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.

Are ABB IRB-4600 and AJ28 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 ABB IRB-4600 and AJ28?

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

ABB IRB-4600 vs AJ28 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 Score is calculated.