OEM references
- code: 1391535
- manufacturer: CATERPILLAR
- classification: OEM
- classification_source: CROSS_REFERENCE_BRAND_TAXONOMY_20260927
- code: 1R0723
- code: 1U2095
- code: 2492337
- code: 7J0670
hydraulic EH66339
Cross-reference relationships identify catalog intelligence, not universal interchangeability. Validate equipment, engine, dimensions, duty and product-level requirements for the intended application.
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