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A. Yes. The WAI 12256N is cross-referenced to Komatsu OE numbers 600-821-3870 and 6008213870, making it a direct replacement for those original-equipment references. It also cross-references Nikko numbers 0-33000-5710 and 0330005710. Use the selection widget or search our catalogue by OEM number to confirm fitment for your machine, backed by our Fit Guarantee.
A. This alternator fits Komatsu models including the PC60 (1986–1994), PC75U (1991–1994), PC80 (1986–1994) and PC90 (1991–1994) — four Komatsu applications in total. Use the selection widget on this page to match your exact model and year, or search by OEM number. Every fitment is backed by our Fit Guarantee.
A. The WAI 12256N operates at 24 volts with a 15-amp output. It uses a Nikko IR/EF (internal regulator, external fan) design, rotates clockwise and is fitted with a groove pulley for standard belt drive compatibility.
A. It is a brand-new alternator — not reconditioned or on an exchange basis — so there are no core charges or returns of your old unit required.
A. Use the selection widget to match your make, model and engine, or search our cross-referenced catalogue by OEM number, machine model or equivalent part across brands. If your vehicle is not listed, ask Simon. Every fitment shown is backed by our Fit Guarantee.
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