Exact identity and naming boundary
International S13 is a 12.74-litre engine within the S13 Integrated Powertrain. The engine, T14 transmission and aftertreatment are related components, not interchangeable names.
Production and emissions eras
Use the applicable S13 product/model-year documentation and distinguish announcement availability from an individual truck's build.
Published ratings and claims
International publishes model- and application-specific S13 ratings; current HX material lists 400–515 hp and 1,450–1,850 lb-ft for that series. Published ranges and performance statements are manufacturer data, not SemiTrucks.ca test findings; the installed calibration must be verified.
Applications and truck relationships
S13 Integrated Powertrain is offered in selected LT, RH and HX builds; exact year, market and model configuration control.
Identify the engine in one truck
Verify engine serial, emissions label, ECM rating, factory line-set, T14 tag and aftertreatment identity.
Transmission and vehicle integration
The T14 and dual-stage aftertreatment are presented as an integrated package. A different transmission or repower requires explicit documentation.
Canadian climate and duty-cycle questions
Evaluate regional/highway/severe-duty calibration, low-speed operation, winter emissions behaviour, grade and service access.
Rebuild, remanufacture and swap limits
A replacement long block, remanufactured engine, ECM change or later swap can separate the current engine from the truck's original build. Reconcile the engine serial, ECM identity, invoices, certification labels and physical installation; do not infer factory fitment from appearance.
Reviewed and verification limit
Reviewed September 4, 2026. Ratings, availability and service information change by year, market and calibration. Confirm the individual engine with the manufacturer or qualified service source.
Verify the individual truck
Build information, component tags, service records, diagnostics and a qualified inspection take priority over general family-level guidance.
Sources & Technical References
Primary manufacturer and government resources for continuing configuration-specific research.
International — S13 Integrated Powertrain