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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 Kubota models does this starter motor fit?

A. The WAI 18142N fits 97 Kubota applications and 1 Thomas Equipment application. Kubota models include the KC30, L305DT, L305F, L3350HDT, L3350MDT, L345DT, L345F and L345FW, among many others. Use the selection widget to match your exact make, model and engine variant, or search our cross-referenced catalogue by machine model. Every fitment shown is backed by our Fit Guarantee.

Q 2. Which engine variants of Kubota does this starter cover — will it fit a D722 or D1105?

A. Fitment is confirmed at model level across 97 Kubota applications. To verify whether your specific engine variant (such as the D722 or D1105) is covered, use the selection widget on this page to match your machine and engine, or search by OEM part number. If your variant is not listed, ask Simon for confirmation.

Q 3. Does this replace Denso starter motor 128000-0070 or 028000-6250?

A. Yes. The WAI 18142N carries 49 verified OE cross-references including Denso 028000-6250, Denso 0280006250, Denso 128000-0070, Denso 128000-0071, Denso 128000-1160, Denso 128000-1161 and further Denso numbers. It is a brand-new direct replacement for these Denso original-equipment units.

Q 4. Does this replace a Delco Remy or Remy starter motor?

A. Yes. Cross-references include Delco Remy DRS3228 and Remy 69024 and Remy RS41289. The WAI 18142N is a verified brand-new replacement for these original-equipment numbers, with all 49 references checked against manufacturer data.

Q 5. What are the key technical specifications of the WAI 18142N?

A. It is a 12V, 1.4kW OSGR (Over-Running Clutch, Planetary Gear Reduction) starter motor with clockwise rotation and an 11-tooth pinion. It is supplied brand new. Full specifications are shown in the table on this listing.

Q 6. What does OSGR mean and why does it matter for my machine?

A. OSGR stands for Over-Running Clutch, Planetary Gear Reduction. The planetary gear reduction delivers high torque from a compact unit, and the over-running clutch disengages the pinion cleanly once the engine fires — reducing wear on both the starter and ring gear. This design is standard on many Denso original-equipment starters fitted to Kubota compact machinery.

Q 7. How many OE cross-references does the WAI 18142N cover?

A. The WAI 18142N is cross-referenced against 49 OE and aftermarket part numbers spanning brands including Denso, Delco Remy, Remy, AD Kuhner, DRI, EAI and Farcom. All references are verified against manufacturer data. Search our catalogue by any of these numbers to confirm the match for your application.

Q 8. 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 9. Where can I find related spares and accessories for this product?

A. Compatible spares and accessories are shown on the Related Accessories tab of this product page, and common parts across the brands we stock are in our Parts & Spares section.

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