I. Core Parameters (Teeth / Voltage / Current / Power)

• Number of Teeth: 12 Teeth (12T)

• Rated Voltage: 24V DC

• Rated Power: 8.5kW (approx. 11.5 HP)

• Starting Current: Approx. 350–400A (peak)

• Load Current: Approx. 180–220A

• Rotation Direction: Clockwise (viewed from the drive end)

• Module: Standard module, compatible with Cummins flywheel ring gears

II. Applicable Vehicle Models

• Dongfeng Heavy-duty Trucks: Tianlong Flagship, Tianlong KL/KX, Tianjin KR, GX Series, etc.

• Others: Compatible with mainstream 24V diesel heavy-duty trucks in China (e.g., some Foton, Shacman models equipped with Cummins engines)

III. Compatible Engines

• Cummins ISZ Series: ISZ13L (13-liter engine for Dongfeng Tianlong Flagship)

• Cummins ISDe/ISLe/ISF Series: ISDe4.5L, ISLe9.5L, ISF2.8L, etc.

• Dongfeng DCEC / Dongfeng Cummins: Full range of 24V diesel engines

IV. Product Advantages

• High Power & Large Torque: 24V/8.5kW, enables one-key start in low-temperature (-30℃) and heavy-load conditions with strong reliability.

• Genuine Quality: OE No. 5547580, TS16949 certified, perfectly matched with Cummins / Dongfeng original equipment.

• Durability & Long Service Life:

• High-strength alloy gear, wear-resistant and impact-resistant;

• High-quality copper winding, good conductivity and low heat generation;

• Sealed and dust-proof design, suitable for harsh working conditions on construction sites / long-haul transportation.

• Strong Universality: Standard 12-tooth interface, compatible with a variety of Cummins engines, easy to replace and widely compatible.

• After-sales Guarantee: 6-month warranty, large market inventory and easy access to maintenance parts.

V. Replacement / Related Part Numbers

• Genuine Part Numbers: 5547580, C5547580

• Alternative Part Numbers: M108R3718SE, STG93534, 72735877, 88214356