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You are here: Home » Products » Rotating Electrical » Heavy Duty Starter Motors » Caterpillar Starter Motor » S1143S CAT 3306 Starter Motor Wholesale Supply

S1143S CAT 3306 Starter Motor Wholesale Supply

Elecdura supplies S1143S as a 24V, 6.0kW, 12T CW starter motor for Caterpillar 3306 engine applications. Use the complete CAT 3306 build and reference because public listings may group other output ratings; send the complete old-unit number, mounting and terminal photos, quantity and destination for wholesale pricing.
  • S1143S

  • S1143S / 110302 / 110999 / 112243 / A170678 / L106562 / 0R2186 / 0R4256 / 0R4257 / 0R5270 / 1068555 / 3043010 / 3255945 / 3280847 / 3604233RX / 10461016 / 10461018 / 10461022 / 10461025 / 10461031 / 10461107 / 10461345 / 10461357 / 10461533 / 10478826 / 10478941 / 10478942 / 10478947 / 10478995 / 10479053 / 10479115 / 1216520H92 / R6742014240 / STD0823CL / STD0823LP / M007T03774 / M7T03774 / M7T03777 / 3948N / 50-103-1 / 501521 / 501522 / 501601 / 6359NPT / 6360N

  • Elecdura

  • Available for qualified orders

  • 20 pcs

  • 7 - 15 Days

  • Neutral packaging / private-label review

  • 18 Months

  • S1143S / 110302 / 110999 / 112243 / A170678 / L106562 / 0R2186 / 0R4256 / 0R4257 / 0R5270 / 1068555 / 3043010 / 3255945 / 3280847 / 3604233RX / 10461016 / 10461018 / 10461022 / 10461025 / 10461031 / 10461107 / 10461345 / 10461357 / 10461533 / 10478826 / 10478941 / 10478942 / 10478947 / 10478995 / 10479053 / 10479115 / 1216520H92 / R6742014240 / STD0823CL / STD0823LP / M007T03774 / M7T03774 / M7T03777 / 3948N / 50-103-1 / 501521 / 501522 / 501601 / 6359NPT / 6360N

  • Caterpillar 3306 engine applications using the supplier-defined 24V 6.0kW 12T CW starter with a module-3.175 drive

  • Confirm 24V, 6.0kW, 12T, CW, module 3.175, 3 × Ø16 mounting holes, Ø92 locating diameter, 47 mm drive-end distance, mounting orientation and terminal layout against the removed starter before volume supply.

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S1143S Starter Motor Wholesale Fitment for Caterpillar 3306 engine

Caterpillar engine distributors, earthmoving fleets and starter-motor importers use S1143S to keep Caterpillar 3306 engine demand tied to one 24V, 6.0kW, 12T CW configuration. The practical distinction is the supplier-catalog 24V 6.0kW 12T module-3.175 unit with a large Ø92 flange, which should be checked before a similar heavy-duty housing is accepted.

Build the S1143S RFQ around the complete removed-unit number, exact machine or engine information, mounting-face and terminal-side photographs, quantity and delivery point. These details let Elecdura quote the specified starter, export packing and timing without turning the offer into a general application guess.


S1143S Starter Motor Specifications and Drawing for Wholesale Buyers

Primary OE reference S1143S
Target application Caterpillar 3306 engine applications
Voltage and output 24V / 6.0kW
Pinion and rotation 12T / module 3.175 / CW
Mounting-hole reference 3 × Ø16 mounting holes
Drive-end reference Ø92 locating diameter; 47 mm drive-end distance; Ø146 mounting-hole circle
OE and cross-reference group S1143S / 110302 / 110999 / 112243 / A170678 / L106562 / 0R2186 / 0R4256 / 0R4257 / 0R5270 / 1068555 / 3043010 / 3255945 / 3280847 / 3604233RX / 10461016 / 10461018 / 10461022 / 10461025 / 10461031 / 10461107 / 10461345 / 10461357 / 10461533 / 10478826 / 10478941 / 10478942 / 10478947 / 10478995 / 10479053 / 10479115 / 1216520H92 / R6742014240 / STD0823CL / STD0823LP / M007T03774 / M7T03774 / M7T03777 / 3948N / 50-103-1 / 501521 / 501522 / 501601 / 6359NPT / 6360N
Wholesale terms MOQ 20 pcs / normally 7–15 days after order confirmation
Warranty 18 months under agreed sales terms
S1143S Caterpillar 3306 engine 24V 6.0kW 12T starter mounting dimensions
S1143S Caterpillar 3306 engine 24V 6.0kW 12T starter mounting dimensions.

Compare S1143S at the 3 × Ø16 mounting holes, Ø146 mounting-hole circle and Ø92 locating diameter. The 47 mm drive-end distance helps verify where the pinion sits relative to the flange, while a straight terminal-side photograph confirms whether the main and control connections remain accessible after installation.

For S1143S, count the 12T pinion and confirm module 3.175, CW rotation, 24V and 6.0kW. The terminal side and solenoid clearance must also agree with the installation. A different pinion or cable position should be quoted separately, even when major cross-references overlap.


S1143S Starter Motor OE Cross-References for Distributor Enquiries

  1. Search group: S1143S, 110302, 110999, 112243, A170678, L106562, 0R2186 can help distributor teams locate the relevant starter family.
  2. Order boundary: Confirm the complete reference with 24V, 6.0kW, 12T, CW, the drawing and terminal photographs before accepting one physical unit.


S1143S Starter Motor Wholesale Supply and Export Planning

Elecdura supports distributor orders from 20 pieces, normally with a 7–15 day lead time after order confirmation and an 18-month warranty under agreed sales terms. Availability, export packing and delivery timing are confirmed against the requested S1143S quantity, destination and required arrival date.

Hold the supplier-defined 6.0kW line separately and retain dimensional receiving checks. Buyers should also state whether the order supports a single workshop, several branches or a fleet contract, allowing samples, safety stock, carton labels and staged dispatch to be planned around the actual service requirement.

The video introduces Elecdura starter-motor assembly and electrical testing for B2B supply programs. Selection of S1143S remains tied to the stated Caterpillar 3306 engine application, 12T drive, mounting interface and terminals, while the video helps distributor teams review production and testing capability.


S1143S Starter Motor Questions from Commercial Buyers

How can branches reduce emergency transfers of S1143S stock in a CAT 3306 fleet program?

Hold the supplier-defined 6.0kW line separately and retain dimensional receiving checks. Add recent usage, equipment population, transfer time and service level. Elecdura can then separate sample, emergency and replenishment quantities and plan packing or staged delivery around the buyer’s schedule.


How should a mixed-reference enquiry for S1143S be prepared in a CAT 3306 fleet sourcing program?

Cross-references help purchasing teams search different brand systems, but the order should still resolve to one physical starter. Compare the candidate number with the S1143S electrical rating, pinion and drawing. Keep unmatched housings, terminal positions or drive ends on separate RFQ lines so the supplier can price them correctly.


Can S1143S be selected from the application name alone during fleet sourcing?

Confirm S1143S against the complete OE number, the stated Caterpillar 3306 engine use and clear front, side and terminal photographs. The decisive points are 12T, 3 × Ø16 mounting holes and 47 mm drive-end distance. Those controls keep visually related starters from being combined in one order.


Why should voltage-drop results accompany an enquiry for S1143S in a CAT 3306 fleet workshop?

Measure cranking voltage and voltage loss across the positive and negative paths, not only open-circuit battery voltage. Review the solenoid command, cable terminals, engine ground and ring gear. The results provide a useful baseline for S1143S installation and for any later service discussion with the supplier.


Which dimensions in the S1143S drawing should receiving teams sample during a CAT 3306 fleet inspection?

For S1143S, sample the 3 × Ø16 mounting holes, Ø92 locating diameter, Ø146 mounting-hole circle and 47 mm drive-end distance. Count the 12T pinion and photograph the terminal side in the same inspection. These points can be checked without dismantling the unit and give receiving teams a practical comparison with the approved sample.


What receiving records are useful for a shipment of S1143S during a CAT 3306 fleet receiving check?

Receiving should verify the S1143S label, quantity and packaging before opening sampled cartons. Compare the 12T drive, Ø92 locating diameter, mounting holes and terminal side with the approved record. Any damage, missing protection or physical mismatch should be quarantined with photographs and lot details for prompt review.


How should a buyer request samples and bulk pricing for S1143S in a CAT 3306 fleet sourcing program?

Provide the full reference and application, not only a broad brand name. Attach front, side and terminal views of the removed starter and state quantity, destination, required date and packaging needs. For S1143S, Elecdura will respond with the matching specification, MOQ, availability, commercial terms and freight choices.


How should a workshop document a service issue involving S1143S in a CAT 3306 fleet review?

Submit the purchase reference, lot number, installation date and hours in service, then describe the symptom and operating conditions. Photographs and cranking-circuit measurements should accompany the report. This structured record gives Elecdura enough context to evaluate S1143S without assuming that every no-crank complaint originates inside the starter.


S1143S Request Starter Motor Wholesale Pricing

Send the complete S1143S reference, Caterpillar 3306 engine details, removed-unit label and photographs, quantity, destination and required arrival date. Email info@elecdurauto.com to discuss the specified 24V, 6.0kW, 12T CW starter, MOQ, packing, lead time, warranty and freight.


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