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Technical Specification
PRODUCT NUMBER 19016N32568N32734NMS291MS8430584NMS399S4030S4042S9002PRS9020S9033S9406SS9440P17184N
Voltage 1212121212121212121212121212
Design PMOSGROSGRPLGRPLGRPLGRDD
Manufacturer MitsubaPoongsungMitsubaMahleMahleMahleElectroprecizia
Power 1.62.04.24.23.23.02.02.11.42.21.22.23.0
Rotation CCWCWCWCWCWCWCWCWCWCWCWCWCW
Teeth 9910111010111912119119

Q 1. Does this starter motor replace Hino OE numbers 28100-2874 or 28100-2875?

A. Yes. The WAI 19970N is cross-referenced against 8 OE references in total, including Hino 28100-2874, Hino 28100-2875, Hino 281002874, and Hino 281002875, as well as Sawafuji 0365-602-0025, 0365-602-0028, 03656020025, and 03656020028. If your original part carries any of these numbers, this is the direct replacement. To confirm fitment to your specific machine or engine variant, search our cross-referenced catalogue by OEM number or ask Simon — every OE cross-reference shown is backed by our Fit Guarantee.

Q 2. What are the key electrical and mechanical specs for this unit?

A. The WAI 19970N operates at 24V, delivers 6.0kW of output power, has an 11-tooth drive pinion, and rotates clockwise (CW). It is built to the Sawafuji PLGR (Permanent Magnet Gear Reduction) design. These figures match the Hino and Sawafuji original-equipment specification for this application.

Q 3. Is this a brand-new starter motor or a remanufactured unit?

A. This is a brand-new starter motor. It has not been remanufactured or reconditioned — all internal components including the commutator, brushes, and solenoid are new and unused, so the unit is ready to install without any concern about pre-existing wear.

Q 4. What does the PLGR design mean, and why does it matter?

A. PLGR stands for Permanent Magnet Gear Reduction. This design uses permanent magnets in place of field windings and incorporates a gear reduction stage between the motor and the drive pinion. The result is a compact, lightweight starter capable of producing high cranking torque at 24V — which is why Sawafuji's PLGR units became widely specified across heavy commercial and plant diesel engines.

Q 5. 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.

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.

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