Starter Motor 8200308 12V 7.3KW 11T Cummins ISM

Product Overview

The 8200308 is a brand-new 39MT series starter motor delivering 12V output at 7.3KW with an 11-tooth drive gear, engineered for Cummins ISM, N14, M11 and ISX engines. This unit, cross-numbered as 8200289 and 8200290, is equipped with a temperature control switch and matches the original starting-system specification for the Cummins 39MT machinery engine platform.

This starter motor is stocked in-house with a 1-year warranty and 10-day dispatch lead-time. The factory-correct 12V 7.3KW specification ensures reliable cranking performance for Cummins heavy-duty engine applications.

Key physical specs: net weight 14.3 kg, gross weight 14.85 kg, overall dimensions 440 x 240 x 190 mm, supplied inside neutral kraft inner carton.

The Cummins 39MT Machinery Starting Platform

Cummins ISM, N14, M11 and ISX engines use a 12V starting system with 11T starter motors in the 39MT series. The starter numbering spans the main and title numbers (8200308, 8200289, 8200290, 10461052, 10461053, 6817), the 820/830 series (8200033, 8200037, 8200040, 8200083, 8200091, 8200288, 8200298, 8200329, 8200469, 8300009, 8300019, 8300020), the STD series (22 numbers), the 1046/428/1901 series (17 numbers), and the M series and other numbers (39 numbers), all referring to the same starting-system family for the Cummins 39MT machinery engine platform.

It is critical to verify the voltage, power rating and tooth count on your old starter: this unit is rated at 12V 7.3KW with an 11T drive gear. Starters with a different voltage, power rating, tooth count or mounting pattern are not interchangeable with this unit. The 11T drive gear is a key identification point for this unit, so count the teeth on your old starter pinion carefully.

Confirm the mounting flange pattern, terminal positions and connector configuration against your original starter before ordering. Always cross-check the OE numbers stamped on your old unit, including the 8200308 family, before placing an order.

Technical Specifications

Compatibility and Cross Reference

According to the original product page, this starter motor fits Cummins ISM, N14, M11 and ISX engines. The original page does not publish a detailed fitment table, so do not rely on the engine name alone for fitment validation; always compare the original part number, mounting holes, tooth count and connector configuration before ordering.

Multiple OEM and cross numbers appear across production batches and regional market specifications for this same starter family. If your original unit bears one of the listed cross-reference numbers, 8200308 serves as a direct drop-in replacement.

What to Look for in a Replacement

Follow these five verification steps before placing your order to avoid wrong-part returns:

• 1. Check the voltage and power rating on your old starter: confirm it is a 12V 7.3KW unit for the Cummins application. Other ratings are not interchangeable.

• 2. Check the tooth count on your old starter: confirm it is an 11T drive gear. Starters with a different tooth count are not interchangeable.

• 3. Confirm the application is a Cummins ISM, N14, M11 or ISX engine. Other engines may use different starter assemblies.

• 4. Compare the mounting holes, flange pattern and connector configuration with your original starter, and match OE numbers including the 8200308 family.

• 5. Weight cross-check: genuine matching unit weighs approximately 14.3 kg net; significant weight difference indicates wrong assembly.

Application Scenarios

• Auto repair shops servicing Cummins ISM/N14/M11/ISX powered vehicles with failed starting systems.

• Fleet maintenance teams for trucks and machinery with Cummins engines replacing worn 12V starters.

• Auto parts retailers and distributors stocking Cummins 39MT series starters for the aftermarket.

• Vehicle owners and DIY enthusiasts replacing worn starters with a factory-spec new unit.

• Exporters supplying Cummins heavy-duty starters to global markets.

FAQ

Q: Which engines does this starter motor fit?
A: It fits Cummins ISM, N14, M11 and ISX engines. Confirm your exact engine model and OE number before ordering, and check that your old starter is a 12V 7.3KW 11T unit.

Q: What does "with temperature control switch" mean?
A: It is a feature note from the original Details section, indicating that this starter is equipped with a temperature control switch, which protects the starter from overheating under heavy-duty cranking conditions.

Q: Why were the M9T numbers consolidated?
A: M9T70975, M9T70977 and M9T71479 are the abbreviated forms of M009T70975, M009T70977 and M009T71479, consolidated under the M009T-prefix standard forms in this article; 009770077 is consolidated under M009T70077.

Q: Why are the STD series numbers listed so extensively?
A: The original part-number area prints the STD series numbers run together; this article splits them by prefix rules and lists them all. The fragment STD355 is removed as a truncated number.

Q: My old starter shows number 8200289 or 8200290, will 8200308 work?
A: Yes. These numbers belong to the same 39MT starter family for the Cummins platform, differing only by production revision and market specification. It serves as a direct replacement.

Q: My old starter has 10 or 12 teeth, will this 11T unit fit?
A: No. The tooth count must match: this unit has an 11T drive gear, and a starter with a different tooth count is not interchangeable. Confirm the tooth count of your old starter before ordering.

Q: What is your warranty and lead-time?
A: Goods are in stock with a 10-day dispatch lead-time. A 1-year warranty applies from installation date; warranty excludes damage caused by mis-installation, incorrect wiring, water ingress, short circuit or physical damage.

In Practice

The original product page does not publish a specific installation method or torque data for this starter. The following section therefore uses the general 12V starter installation standard, with reference to the common installation practice for Cummins 39MT starters and after-sales maintenance experience from the heavy-duty repair industry; before installation, compare the specific torque values with the corresponding Cummins service manual.

Disconnect the negative battery cable first to prevent short circuit and electric shock during installation. Remove the starter mounting bolts, disconnect the B+ main cable and the S control wire from the solenoid terminals, and mark them for reconnection. Take out the old starter smoothly, and inspect the flywheel ring gear for chipped or worn teeth; replace the ring gear if damaged. Clean the flywheel housing mounting surface and the starter flange, free of oil stains, rust and burrs.

Align the new starter with the flywheel housing spigot, insert the mounting bolts and hand-tighten, then tighten in a diagonal sequence in 2-3 steps with a torque wrench; for 12V starters, a typical reference torque for the main mounting bolts is 35-40 N.m, to be fine-tuned with reference to the corresponding Cummins model manual. Connect the S control wire to the solenoid S terminal, then connect the B+ main cable to the battery positive terminal, tightening the nut securely. Ensure the starter housing is grounded through the mounting bracket, free of rust and oil stains. Secure the wire harnesses to avoid contact with hot exhaust components and moving parts. This unit is equipped with a temperature control switch; verify that the switch wiring is connected correctly according to the vehicle wiring diagram.

After installation, reconnect the negative battery cable and check the wiring connections. Start the engine and check that the starter engages smoothly and the pinion returns fully after starting. Each single start-up shall not exceed 5 seconds, with an interval of at least 10-15 seconds between consecutive start-ups to avoid overheating. If the starter fails to crank, check the battery voltage (at least 12V under load), the main cable connections and the solenoid operation before further testing.

References

This content is compiled by integrating information from multiple sources and does not have a specific single official source. The original product page does not publish a specific installation method or official torque data for this starter. The installation method and torque reference values in this article are summarized and integrated based on the universal installation standards for 12V starters, the common installation practice for Cummins 39MT starters, and practical experience from the mainstream heavy-duty repair industry, verified against actual installation tests and after-sales maintenance experience; for vehicle-specific torque values, please refer to the corresponding Cummins service manual.

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