# Who does Paccar pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/paccar · Facet: suppliers · Updated: 2026-10-14T17:23:24.421+00:00 · Source: ValueChain.wiki (cited money-flow graph)

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

### 원자재·부품 공급망 (강재·구리·알루미늄) (high)
- metric: Market share ~85% · 2025 · Materials/parts ~85% of new truck cost
- note: Raw materials and components (steel, copper, aluminum, petroleum) make up ~85% of new-truck cost. Semiconductors are sourced from various suppliers, with hedging and long-term agreements to manage variability.
- [confirms] U.S. SEC (EN, filing, published 2026-02-18) https://www.sec.gov/Archives/edgar/data/75362/000119312526057025/pcar-20251231.htm: "Raw materials, partially processed materials and finished components typically make up ~85% of the cost of new trucks; costs are influenced by commodities such as steel, copper, aluminum and petroleum."

### Cummins (조달 디젤 엔진) (high)  → /cummins.md
- note: Engines PACCAR does not build itself are purchased from Cummins under long-term supply agreements. Its own MX-13/MX-11 engines are made in Columbus MS, Eindhoven NL and Ponta Grossa BR. Value undisclosed.
- [confirms] U.S. SEC (EN, filing, published 2026-02-18) https://www.sec.gov/Archives/edgar/data/75362/000119312526057025/pcar-20251231.htm: "Engines not manufactured by the Company are purchased from Cummins Inc.; the Company has long-term agreements with Cummins for continuity of supply, and a loss of supply would have a material effect."
- [confirms] SEC EDGAR (EN, filing, published 2026-02-10) https://www.sec.gov/Archives/edgar/data/26172/000002617226000009/cmi-20251231.htm: "Cummins disclosed PACCAR among the leading manufacturers with which it has long-standing relationships."

### Eaton·ZF (트랜스미션) (high)
- note: Sources a significant portion of transmissions from Eaton and ZF Friedrichshafen, and North America cab stampings from Magna, all under long-term supply agreements. Value undisclosed.
- [confirms] U.S. SEC (EN, filing, published 2026-02-18) https://www.sec.gov/Archives/edgar/data/75362/000119312526057025/pcar-20251231.htm: "The Company purchased a significant portion of transmissions from Eaton and ZF, and cab stampings from Magna, with long-term agreements with Cummins, Eaton, ZF and Magna."

Reverse side: https://valuechain.wiki/paccar/customers.md · Ripple: https://valuechain.wiki/paccar/ripple.md

---
Full node: https://valuechain.wiki/paccar.md · JSON: https://valuechain.wiki/paccar.json