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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £4.99 | 1 to 2 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
Product Number: 19857N
The WAI 19857N is a brand-new 24V 4.5kW starter motor. It is built to Denso OSGR specification, supplied as a direct replacement for Denso original-equipment references 428000-2580 and 428000-2581, and for Case and New Holland machines carrying part number 8605783. It is designed for heavy-duty plant and agricultural applications where the original Denso unit requires replacement.
The OSGR (Off-Set Gear Reduction) design delivers reliable cranking torque from a compact envelope — a proven configuration in Denso's commercial starter range. With clockwise rotation and a 10-tooth drive pinion, the 19857N matches the geometry and engagement characteristics of the original unit it replaces. At 4.5kW output on a 24V system, it is suited to the demanding cold-start conditions common in plant machinery and agricultural equipment.
Supplied as a brand-new unit — not reconditioned or remanufactured — the 19857N offers a clean, straightforward installation without the uncertainty of a rebuilt core.
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PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Type | Starter Motor |
|---|---|
| Manufacturer | Denso |
| Design | OSGR |
| Voltage | 24V |
| Power | 4.5kW |
| Rotation | CW |
| Teeth | 10 |
| Condition | Brand New |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Exploring the WAI Starter Motor and Alternator at Partsformachines.com Introduction: In the Plant and Agriculture sector, a starter motor and alternator are parts that ensure a machine runs smoothly. At Partsformachines.com we have partnered with WAI, a global manufacturer of auto and plant machinery parts to off...
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Delivery Estimate: 1 to 2 working days
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 17793N | 30236N | 30403N | 32893N | 33217N | 17737N | S6004 | S6007 | S6039 | S6045 | S6046 | S6055 | S6055PR | S6061 | S6072 |
| Voltage | 12 | 12 | 12 | 24 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Design | OSGR | PMGR | PMGR | OSGR | OSGR | OSGR | |||||||||
| Manufacturer | Denso | Denso | Denso | Denso | Denso | Denso | |||||||||
| Power | 1.2 | 1.5 | 1.6 | 4.5 | 2.7 | 1.2 | 2.0 | 2.2 | 1.6 | 1.0 | 1.4 | 1.8 | 1.8 | 1.3 | 1.4 |
| Rotation | CW | CCW | CW | CW | CW | CW | CW | CW | CW | CW | CW | CW | CW | CW | CW |
| Teeth | 9 | 13 | 9 | 12 | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 12 | 12 | 9 | 9 |
A. Yes. The WAI 19857N is a direct replacement for Denso original-equipment references 428000-2580 and 428000-2581. It is also cross-referenced to Case and New Holland part number 8605783. If you need to verify fit against your machine's OEM number, search our cross-referenced catalogue or ask Simon.
A. Yes — Case 8605783 and New Holland 8605783 are both listed cross-references for this part. To confirm fitment against your specific machine model and serial number, use the selection widget or search our catalogue by OEM number. Every fitment shown is backed by our Fit Guarantee.
A. The WAI 19857N operates on a 24V system and delivers 4.5kW of output power. It uses an OSGR (Off-Set Gear Reduction) design, rotates clockwise, and has a 10-tooth drive pinion. It is supplied brand new.
A. It is supplied brand new — not reconditioned or remanufactured. The condition is confirmed in the product specification.
A. Use the selection widget to match your make, model and engine, or search our cross-referenced catalogue by OEM number, machine model or equivalent part across brands. If your vehicle is not listed, ask Simon. Every fitment shown is backed by our 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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