# Who does Hitachi Construction Machinery pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/hitachi-construction-machinery · Facet: suppliers · Updated: 2026-10-14T20:23:20.853+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Hitachi Construction Machinery's confirmed suppliers/cost counterparties include Cummins plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 2 cost edges, backed by 3 dated sources, 2 of them primary filings (as of 2026-10-14).

### 원재료·제조 투입 공급망 (비공개) (high)
- metric: cost of sales ¥218B · FY2026 Q1 · consolidated cost of sales
- note: Procures steel, components and other manufacturing inputs from tier-one suppliers. FY2026 Q1 cost of sales was JPY 218.043 billion; supplier-level amounts were not disclosed.
- [confirms] Hitachi Construction Machinery (EN, filing, published 2026-07-30) https://www.hitachicm.com/content/dam/hitachicm/global/en/ir/library/results/docs/20260730-HCM-Financial-E.pdf: "FY2026 Q1 cost of sales was JPY 218.043 billion."
- [mentions] Hitachi Construction Machinery (EN, filing, published 2025-09-30) https://www.hitachicm.com/content/dam/hitachicm/global/en/sustainability/download/docs/ir2025/all-version-pdf/ir2025_all_en.pdf: "The survey covers major tier-one suppliers of important parts and raw materials."

### Cummins (mid)  → /cummins.md
- metric: supplier relationship 61 engines · 2023 · Cummins engines in Hitachi equipment at Whitehaven mines
- note: Uses Cummins high-horsepower engines in large excavators and haul trucks. Whitehaven operated 61 QSK50/QSK60 engines across 50 Hitachi machines.
- [confirms] Cummins (EN, ir, published 2023-12-18) https://www.cummins.com/en-la/news/2023/12/18/whitehaven-slashes-costs-cummins-repowers: "Whitehaven ran 61 Cummins QSK50/QSK60 engines across 50 Hitachi machines."

Reverse side: https://valuechain.wiki/hitachi-construction-machinery/customers.md · Ripple: https://valuechain.wiki/hitachi-construction-machinery/ripple.md

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