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The Navistar DT (Diesel Turbocharged or Diesel Turbo) engine family is a line of mid-range inline-6 diesel engines.With horsepower ratings ranging from 170 hp (130 kW) to 350 hp (260 kW), the Navistar DT engines are used primarily in medium-duty truck and bus applications such as school buses, although some versions have been developed for heavy-duty regional-haul and severe-service applications.
This engine equipped the South American version of the Ford Ranger and the Troller T4, a Brazil exclusive four wheel drive vehicle. A 6-cylinder 9.3 L turbo diesel was also produced, but mainly dedicated to stationary power applications and the medium-sized trucks, the Volkswagen Constellation Series.
The S1853 was powered by diesel engines, with a standard 9.0L V8, along with a DT466 and Caterpillar 3208 as options (the latter, discontinued around 1982, for the Schoolmaster). For 1983, an S1753 was introduced to introduce diesel engines to the S1700 chassis; in place of the 9.0L V8 and DT466 inline-6, International debuted a 6.9L IDI-series V8.
While the DT360 was withdrawn (largely replaced by the T444E), the DT466 (now the DT466E) was joined by the larger DT530E (competing primarily against the Cummins C8.3). For the 2000s, International began developing engines to comply with updated emissions standards for commercial vehicles.
The International S series is a range of trucks that was manufactured by International Harvester (later Navistar International) from 1977 to 2001.Introduced to consolidate the medium-duty IHC Loadstar and heavy-duty IHC Fleetstar into a single product range, the S series was slotted below the Transtar and Paystar Class 8 conventionals.
It used a new cab with flat panels and forward tilting hood in different lengths. The series was very wide, from the medium duty 1600 to the regional semi-tractor 2500 and severe-service 2600. In 1988 medium-duty production ended, replaced by the 4000 Series. Other models were replaced between then and when the last Schoolmaster was built in 2004.
The Navistar VT engine family is a line of diesel engines that was produced by International Truck and Engine (Navistar International) from 2003 to 2016.Developed as the replacement for the T444E V8, the VT V6 and V8 diesels were the smallest diesel engines used in Navistar vehicles, slotted below the DT inline-6 engine family.
Serving as the debut line of the NGV (Next-Generation Vehicle) cab structure, the new International 4000 series sourced its engines from within the company, carrying over the T444E V8 and DT466E I6 diesel (later VT365, DT466, and MaxxForce engines) from the previous 4000 series (sharing other commercial-grade drivetrain components with Ford and ...