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Technical Specification
PRODUCT NUMBER 3510N4319NS1009S1165SS1170SS1256SS1262S3510N-PG4162N4525N6278N6356N6360N6370N6571N
Voltage 121224121212121212122412242412
Design 10MT DDDDPG260M PMGR10MT DD10MT DD37MT Series42MT DD42MT DD42MT DD28MT OSGR
Manufacturer DelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelcoDelco
Power 1.59.00.81.82.01.81.41.47.8
Rotation CWCWCWCCWCWCWCWCWCWCWCWCWCWCWCW
Teeth 91011891111119101011121112

Q 1. What does the WAI 6956N replace — which OE part numbers is it cross-referenced against?

A. The WAI 6956N is cross-referenced against 22 OE part numbers in total. The highest-demand references are from Cummins (including 3084198, 3603868PL, 3628757, and 3628997), Remy (10461188 and 10479087), and Caterpillar (0R4998, 1249780, and 4Q5454), along with CAT 124-9780 and an extensive range of PRELUB references including 100138, 100203, 100208, 100234, 100236, 100237, 100246, 100273, 100280, 100282, 100287, and 100769. Search our cross-referenced catalogue by your OE number to confirm a match, or ask Simon if you need guidance.

Q 2. Does this starter motor replace Cummins part numbers such as 3084198 or 3603868PL?

A. Yes — the WAI 6956N is confirmed as a replacement for Cummins 3084198, Cummins 3603868PL, Cummins 3628757, and Cummins 3628997. If your Cummins application specifies a Delco 50MT Pre-Lube DD direct-drive unit at 24V with an 11-tooth pinion and clockwise rotation, this part is cross-referenced to match. Use your OE number in our catalogue search, or ask Simon to verify suitability for your engine.

Q 3. Will this starter fit a Caterpillar machine using part number 0R4998 or 1249780?

A. The WAI 6956N cross-references Caterpillar 0R4998, Caterpillar 1249780, Caterpillar 4Q5454, and CAT 124-9780, so it is confirmed as a replacement for those original Caterpillar part numbers. Search our catalogue by your OE reference or ask Simon to confirm fit for your specific machine and engine variant.

Q 4. What are the key specifications of this starter motor?

A. The WAI 6956N is a 24-volt, clockwise-rotation starter motor built to the Delco 50MT Pre-Lube DD direct-drive design, with an 11-tooth pinion. It is supplied brand new. Full specification is shown in the table on this listing.

Q 5. What does the Pre-Lube DD designation mean on this Delco 50MT starter?

A. Pre-Lube refers to a pre-lubrication provision incorporated into the starter motor design, used on heavy-duty Delco 50MT applications. DD stands for direct drive, meaning the pinion engages the ring gear directly rather than through a reduction gear set. This configuration is specified across a range of industrial and plant diesel engines where reliable high-torque engagement is required.

Q 6. 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 7. Is this part covered by your Fit Guarantee?

A. Yes. Every 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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