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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. What machines does the WAI 19614N fit?

A. This starter motor fits Case and New Holland Industrial plant machinery across 39 verified applications, including the Case 570MXT Series III, Case 580M Series II, Case 580SM Plus Series III and Case 580SM Series III. Use the selection widget to match your exact make, model and engine variant, or search our cross-referenced catalogue by machine model or OEM number. Every fitment listed is backed by our Fit Guarantee.

Q 2. Does this replace the Denso 428000-1690 or Denso 428000-1691 starter?

A. Yes. The WAI 19614N directly replaces Denso OE numbers 428000-1690, 428000-1691, 4280001690 and 4280001691, along with New Holland 86992395, AD Kuhner 254483, BTS Turbo S512861, DRI 619034102, Farcom 107286 and Sando 60403310 — 10 cross-references in total. Search our cross-referenced catalogue by any of these numbers to confirm suitability for your machine.

Q 3. What are the key specs of this starter motor?

A. The WAI 19614N operates at 12V with a 2.7kW output. It uses an OSGR (Offset Gear Reduction) design, runs clockwise rotation and engages via a 10-tooth drive pinion. It is supplied brand new — not remanufactured.

Q 4. Is this a remanufactured unit or brand new?

A. It is brand new. The WAI 19614N is supplied as a new unit built to Denso OSGR specification, with no remanufactured or reconditioned components.

Q 5. What does OSGR mean and why does it matter for fitting?

A. OSGR stands for Offset Gear Reduction. The gear reduction mechanism is offset from the main motor axis, allowing a more compact unit that produces higher torque than a direct-drive starter of equivalent size. When replacing your original, you need an OSGR-design starter — fitting a direct-drive unit in its place is not a like-for-like swap.

Q 6. Will this starter motor fit a Case 621F?

A. The Case 621F is not listed in the verified fitment data for the WAI 19614N. Use the selection widget with your exact model and engine details, or search by OEM number, to find the correct starter for a Case 621F. If you are unsure, ask Simon or WhatsApp the team on 07754 288583.

Q 7. How many Case and New Holland Industrial models does this part cover?

A. The WAI 19614N covers 20 Case applications and 19 New Holland Industrial applications — 39 fitments in total. These span backhoe loader and industrial variants produced broadly between the mid-2000s and 2015.

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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