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Technical Specification
PRODUCT NUMBER 17793N30236N30403N32893N33217N17737NS6004S6007S6039S6045S6046S6055S6055PRS6061S6072
Voltage 121212241212121212121212121212
Design OSGRPMGRPMGROSGROSGROSGR
Manufacturer DensoDensoDensoDensoDensoDenso
Power 1.21.51.64.52.71.22.02.21.61.01.41.81.81.31.4
Rotation CWCCWCWCWCWCWCWCWCWCWCWCWCWCWCW
Teeth 91391211999999121299

Q 1. Which machines does this starter motor fit?

A. The WAI 18936N fits six confirmed applications across five manufacturers: Apache 1000 Series (2004–2014) and Apache AS1200 (2005–2015); Dynapac CC522HF (1997–2006); Miller Applications Technology Nitro 2200T STD (2003–2008); Spray-Air SP2010 (2003–2008); and Willmar Eagle 8500 (1997–2006) — six applications in total. Use the selection widget to match your exact make, model and engine, or search our cross-referenced catalogue by machine model or OEM number. Every fitment shown is backed by our Fit Guarantee.

Q 2. Does this replace Denso part number 228000-7310?

A. Yes. The WAI 18936N crosses to 19 Denso OE references, including 228000-7310, 228000-7340, 228000-7341, 228000-7342, 428000-0190, 428000-0191, 428000-1600, and 428000-1870, among others — 20 cross-references in total across Denso and Cummins. If your Denso number is not listed here, search our cross-referenced catalogue by OEM number or ask Simon to confirm suitability.

Q 3. Does this starter motor replace Cummins reference 3964432?

A. Yes. Cummins 3964432 is one of the 20 OE cross-references confirmed for this part. The WAI 18936N is a brand-new direct replacement, so no reconditioning or modification is required.

Q 4. What are the key specifications of the WAI 18936N?

A. It is a 12V, 2.7kW starter motor using an OSGR (Off-Set Gear Reduction) design, with clockwise rotation and a 13-tooth pinion. It is supplied brand new by Denso-manufactured specification and is ready to fit without any preparation.

Q 5. Will this starter motor fit a Dynapac CC522HF?

A. Yes — the Dynapac CC522HF (1997–2006) is a confirmed fitment for the WAI 18936N. Use the selection widget or search by machine model to verify your specific build year, and check our Fit Guarantee covers your application.

Q 6. Will this unit fit an Apache sprayer?

A. Yes. The WAI 18936N is confirmed for the Apache 1000 Series (2004–2014) and the Apache AS1200 (2005–2015). Use the selection widget or search our catalogue by model to confirm your year and variant before ordering.

Q 7. Is this a reconditioned unit or supplied brand new?

A. The WAI 18936N is supplied brand new — it is not a remanufactured or reconditioned unit. No core return or exchange is required.

Q 8. 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 9. 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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