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Technical Specification
PRODUCT NUMBER 86003107127-12RA1029A1029PRA10397127-SEN7127-SEN-100A1G7127-SEN-2G7256N7850N7853N-140A8030N8073N8718N12168N-DR
Voltage 1212121212121212121224121212
Output Current 6310010014063100639010014070130160160
Design IR/EF10SI Series IR/EF10SI Series IR/EFIR/EF30SI/TR Series IR/IF27SI/200 Series IR/EF15SI IR/EF21SI Series IR/EF22SI Series IR/EF24SI Series HP IR/IFCS130D IR/IF
Manufacturer DelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelco
Pulley V1AFPAFPAFPGroove PulleyGroove PulleyGroove PulleyWithout PulleyWithout PulleyGroove PulleyWithout PulleyWithout PulleyWithout PulleyGroove Pulley
Rotation CWCWCWCWCWBi-directionalCWCWCWCWCW

Q 1. Which Delco and Caterpillar part numbers does this alternator replace?

A. The WAI 8584N replaces five OE references: Delco 8600400 and Delco 8600721, plus Caterpillar 10R8877, Caterpillar 333-1184, and Caterpillar 3331184. Check your existing unit or parts manual for one of these numbers to confirm the 8584N is the correct replacement. If you are unsure, use the cross-referenced catalogue search or ask Simon.

Q 2. Does this alternator come with a pulley fitted?

A. No — the WAI 8584N is supplied without a pulley. You will need to transfer the pulley from your original unit during installation. Check that your existing pulley is in good condition and compatible before fitting.

Q 3. What are the key electrical specifications — voltage, output, and rotation?

A. The 8584N is rated at 24 volts with a 60-amp output and clockwise (CW) rotation. It uses a Delco IR/IF design, meaning the voltage regulator is built in internally, so no separate external regulator is required.

Q 4. What does IR/IF mean on this alternator?

A. IR/IF stands for Internal Regulator / Internal Fan. The voltage regulator is integrated within the alternator housing rather than mounted externally, and cooling is handled by an internal fan. This design simplifies the charging circuit and reduces external components.

Q 5. Is this a new unit or a remanufactured alternator?

A. The WAI 8584N is a brand-new alternator — not remanufactured or reconditioned. This is confirmed in the product specification.

Q 6. Is this part covered by your Fit Guarantee?

A. Yes. Every vehicle and OE cross-reference shown for this part is checked against manufacturer data and backed by our Fit Guarantee. If it is not right, our Fit Guarantee or hassle-free returns have you covered.

Q 7. Can I ask questions about this product before ordering?

A. Yes — ask Simon, or WhatsApp our team on 07754 288583 with any questions about specifications, suitability, or compatibility.

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