International (Navistar) LT Series

Category: Last Updated: 01/14/2026 03:26 PM
Manufacturer: International (Navistar)

Make & Model

Detailed Specification

Heavy-Duty, On-Highway, Regional Haul
32,000 – 60,000 lb.
4x2, 6x4, 6x2
Classic Trim, Diamond Trim, Diamond Elite Trim.
Day Cab, 56" Low Roof Sleeper, 56" Hi-Rise Sleeper, 73" Hi-Rise Sleeper, 73” Sky-Rise Sleeper.
International S13 (400–515 hp, 1,450–1,850 lb-ft), Cummins X15 (400–605 hp, 1,450–2,050 lb-ft).
(Single/Dual tank configurations).
Hendrickson/Dana/Meritor: 12,000 – 14,000 lbs.
Parabolic TaperLeaf (12,000 – 14,000 lbs), Spring Monoleaf (12,000 – 13,200 lbs).
Meritor/Dana Spicer: Single (23,000 lb); Tandem (40,000 – 46,000 lb).
Available (The LT Series is the primary platform for the S13 Integrated Powertrain).
International T14 (14-speed Automated w/ 2 crawler gears), Eaton Manual (10, 13, 18 speed), Eaton Endurant/UltraShift PLUS AMT, Allison Automatic.
Delco Remy/Leece-Neville (160 – 325 Amp).
70 – 140 Gallon Aluminum (Single or Dual).
LED Headlamps (Standard).
LT Series Brochure, LT Series Spec Cards (Downloadable PDFs).
International S13 Integrated Powertrain (Engine, T14 AMT, Dual Stage Aftertreatment) is available.

Description

Flagship on-highway truck known for driver-centric design, exceptional aerodynamics, and leading the aero category in fuel economy by at least 5% (with S13 Integrated Powertrain).