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HEAVY-DUTY TECHNICAL DOSSIER

International LT Series Technical Dossier

Manufacturer identity, verified technical facts and a measurement-led heavy-duty diagnostic backbone.

Verified product information

  • International LT Series is documented by International in the cited official material as a long-haul tractor family using International integrated diesel/automated-transmission powertrains in cited configurations.
  • The cited OEM scope identifies S13/T14 integrated powertrain, aftertreatment, J1939 and chassis control architecture in cited applications; generation, market and software differences must stay inside that documented scope.
  • International S13 Integrated Powertrain is the primary service-information authority for model-specific repair procedures, wiring/diagnostic information and calibration identification; uncited fitment is not extrapolated.

System and diagnostic matrix

J1939 / CAN and source address

Symptom → event → live data → physical measurement → root cause → verification under load

Engine ECU / fuel / boost

Symptom → event → live data → physical measurement → root cause → verification under load

DPF / SCR / DEF / NOx

Symptom → event → live data → physical measurement → root cause → verification under load

EBS / ABS / pneumatic brakes

Symptom → event → live data → physical measurement → root cause → verification under load

Transmission / retarder / torque messages

Symptom → event → live data → physical measurement → root cause → verification under load

PTO / body-builder / auxiliary power

Symptom → event → live data → physical measurement → root cause → verification under load

Derate / engine protection

Symptom → event → live data → physical measurement → root cause → verification under load

Telematics / gateway / fleet network

Symptom → event → live data → physical measurement → root cause → verification under load

Sources