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3HAC021728-001

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L30, 45 kg, 60 kg and spray variants place ABB 3HAC021728-001 at the IRB 4400 sixth-axis wrist drive under a Yaskawa-only technology boundary.
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Technical specifications for 3HAC021728-001

  • Manufacturer:
    ABB
  • Part Number:
    3HAC021728-001
  • Product Family:
    ABB Robots
  • Product Type:
    IRB 4400 Axis-6 Motor with Pinion
  • Stock:
    1
  • Robot family:
    IRB 4400
  • Axis assignment:
    Axis 6
  • Motor supplier:
    Yaskawa
  • Assembly scope:
    Motor including pinion
  • Documented configurations:
    L30, 45 kg, 60 kg, Spray
  • Weight:
    7.7 kg
  • Tariff Code:
    85015100
  • Country of origin:
    Czech Republic
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Variant Coverage Motor Technology Wrist Refit Product Applications

Features:

  • Wrist-axis role: ABB assigns the unit to IRB 4400 axis 6
  • Four configuration groups: L30, 45 kg, 60 kg and spray are documented
  • Technology boundary: Yaskawa and Elmo motor units are not compatible
3HAC021728-001 defines a Yaskawa wrist-drive assembly rather than a generic IRB 4400 motor.

Its official scope joins the motor and pinion at the mechanical interface to axis 6.

Correct technology identification, careful gear engagement and recalibration determine whether the service job can proceed safely.
Apter Power can review the IRB 4400 configuration, Yaskawa identity, complete 3HAC021728-001 label and quotation scope.
ABB 3HAC021728-001 IRB 4400 Axis-6 Motor with Pinion Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • L30: axis 6 is included in the official technical note.
  • 45 kg: the article is documented for this configuration.
  • 60 kg: the same Yaskawa wrist motor is listed.
  • Spray version: ABB includes the spray configuration in scope.
  • Supplier identity: ABB identifies a Yaskawa motor.
  • Technology boundary: the service manual rejects interchange with Elmo units.
  • Release evidence: the installed motor label decides the permitted technology path.
  • Drive interface: motor and gear are handled as one unit.
  • Damage control: excessive force can damage pinion or gear-wheel contact.
  • Sealing: the documented O-rings and gaskets return with the connection assembly.
  • Closeout: recalibration precedes the first controlled run.
  • IRB 4400 L30 wrist repair: service the documented Yaskawa axis-6 drive.
  • IRB 4400 45 kg and 60 kg maintenance: renew the sixth-axis motor-and-pinion unit.
  • IRB 4400 spray configuration: retain the official motor-technology boundary during wrist service.
Description
Final-joint rotation on IRB 4400 L30, 45 kg, 60 kg and spray versions is driven by 3HAC021728-001, whose supplied pinion couples the Yaskawa motor to the axis-6 mechanism.

L30, 45 kg, 60 kg and spray configurations share 3HAC021728-001, providing one spare identity across several robots. Its Yaskawa design cannot be substituted with the incompatible Elmo motor architecture.
Alternative Names
3HAC021728001 IRB 4400 axis 6 Yaskawa motor ABB wrist motor with pinion IRB4400 spray axis 6 motor
Technical notes
3HAC021728-001 is the Yaskawa axis-6 motor listed for IRB 4400 L30, 45 kg, 60 kg and spray configurations. ABB states that Elmo and Yaskawa motor units are not compatible; the installed motor technology must therefore be identified before the wrist drive is released for replacement.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Should 3HAC021728-001 be released for an IRB 4400/L10 axis-6 repair?
No. ABB’s IRB 4400 equipment table assigns the L10 sixth-axis position to a different Yaskawa article; this code is listed for L30, 45 kg, 60 kg and spray configurations.
What must happen if the installed IRB 4400 motor is Elmo but the replacement request specifies 3HAC021728-001?
The exchange must stop. ABB identifies this article as Yaskawa and explicitly states that Elmo and Yaskawa motor units are not compatible.
If the pinion will not enter the gear wheel freely, may fitting of 3HAC021728-001 continue with additional force?
No. ABB warns against forced engagement because the motor or gearbox can be damaged; stop and resolve the mating-surface or gear-position condition before continuing.
Can the old motor O-ring automatically be reused when installing 3HAC021728-001?
No automatic reuse is stated. ABB’s refitting procedure calls for an O-ring on the new motor unit, so the correct sealing item and its condition must be resolved before the connection box is closed.
Why might the shaft remain difficult to align while 3HAC021728-001 is being refitted?
The motor brake may still be applied. ABB uses a temporary 24 VDC supply during the axis-6 fitting sequence so the shaft can be positioned without forcing the pinion.
After 3HAC021728-001 is installed, is successful shaft movement enough to return the IRB 4400 to production?
No. The connection and sealing work must be complete, the robot must be recalibrated, and ABB’s controlled first-test-run requirements must be satisfied before production motion.