Controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2025
IHI Transport Machinery antitrust violation
The Japan Fair Trade Commission determined that the mechanical parking-system business of IHI Transport Machinery had engaged in conduct violating the Antimonopoly Act. The subsidiary had applied for leniency and cooperated with the investigation, resulting in exemption from surcharges alongside a cease-and-desist order.
2024
IHI Power Systems engine test-record misconduct
IHI disclosed that IHI Power Systems had improperly altered test-operation records for marine and land-use engines, including fuel-consumption-related data. The issue followed an internal report and led to investigations by Japanese authorities, an external special investigation committee, partial revocation of ISO 9001 certification for affected manufacturing scopes, customer communications, compensation measures, and group-wide compliance reforms.
2024
Niigata Transys snowplow specification issue
IHI reported that certain road snowplows manufactured and sold by Niigata Transys had been delivered with specifications different from those presented to customers. IHI described investigations, comprehensive performance testing, customer responses, and recurrence-prevention actions.