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1HA 1HC 1HP 1HS 1HT 1HV 3HR 3HS 3HT 3HV 7GZ

International Motors, LLC

The rules under International Motors, LLC's codes name 426 models, the longest combined list of the 113 makers profiled here. Its codes decode nine makes: Caterpillar, Chevrolet, Continental Mixer, GM, GMC and 4 others. It holds 11 WMIs in NHTSA's catalog, the 18th-highest count among 11,625 manufacturers. Its codes span three vehicle types, from incomplete vehicles (chassis) to trailers.

Model years covered by each code

One bar per three-character code, grouped by the vehicle type NHTSA lists for it. Bars reaching 2027 include rules with no end year.

Incomplete vehicles 6

  1. 1HT1981–2027
  2. 1HV1981–2027
  3. 3HT1983–2027
  4. 3HV1995–2027
  5. 1HA2017–2027
  6. 7GZ2017–2027

Trucks 4

  1. 1HP1983–2027
  2. 1HS1983–2027
  3. 3HR1983–2027
  4. 3HS1983–2027

Trailers 1

  1. 1HC1983–2014

Every code, side by side

CodeVehicle typeMakesModel yearsModelsPlant countries
1HAincomplete vehicles (chassis)Chevrolet, Navistar2017–open109United States
1HCtrailersContinental Mixer1983–2014211Brazil, Australia, Canada
1HPtrucksCaterpillar, IC Bus, International1983–open253United States, Mexico, Brazil
1HStrucksCaterpillar, IC Bus, International1983–open367United States, Mexico, Brazil
1HTincomplete vehicles (chassis)Caterpillar, Chevrolet, GM1981–open400United States, Mexico, Canada
1HVincomplete vehicles (chassis)Caterpillar, GM, GMC1981–open358United States, Mexico, Canada
3HRtrucksCaterpillar, IC Bus, International1983–open253United States, Mexico, Brazil
3HStrucksCaterpillar, IC Bus, International1983–open283United States, Mexico, Brazil
3HTincomplete vehicles (chassis)Caterpillar, IC Bus, International1983–open363United States, Mexico, Brazil
3HVincomplete vehicles (chassis)Caterpillar, IC Bus, International1995–open257United States, Mexico, Brazil
7GZincomplete vehicles (chassis)GMC2017–open2United States

Models found under the most codes

Model, model years across all codes, and how many of the codes name it

  • 9M0051983–2024 · 10 codes
  • 9M0061983–2024 · 10 codes
  • 9M0071983–2024 · 10 codes
  • 9M0081983–2024 · 10 codes
  • CF6AA1983–2024 · 10 codes
  • CF6AB1983–2024 · 10 codes
  • CF7AA1983–2024 · 10 codes
  • CF7AB1983–2024 · 10 codes
  • CR7AA1983–2024 · 10 codes
  • CX7AA1983–2024 · 10 codes
  • CZ6AB1983–2024 · 10 codes
  • CZ7AA1983–2024 · 10 codes
  • CZ7AB1983–2024 · 10 codes
  • DF5671983–2024 · 10 codes
  • DF6771983–2024 · 10 codes
  • DF6971983–2024 · 10 codes
  • DX5671983–2024 · 10 codes
  • DZ6771983–2024 · 10 codes
  • DZ6971983–2024 · 10 codes
  • L33771983–2024 · 10 codes
  • L34471983–2024 · 10 codes
  • L92271983–2024 · 10 codes
  • L93271983–2024 · 10 codes
  • L93771983–2024 · 10 codes
  • L94271983–2024 · 10 codes
  • LA6771983–2024 · 10 codes
  • LA6871983–2024 · 10 codes
  • LF5171983–2024 · 10 codes
  • LF6771983–2024 · 10 codes
  • LF6871983–2024 · 10 codes
  • MA0251983–2024 · 10 codes
  • MA0351983–2024 · 10 codes
  • MA0451983–2024 · 10 codes
  • MA0551983–2024 · 10 codes
  • MA0651983–2024 · 10 codes
  • MF0351983–2024 · 10 codes
  • MH0251983–2024 · 10 codes
  • MH0351983–2024 · 10 codes
  • MH0651983–2024 · 10 codes
  • MR0651983–2024 · 10 codes
  • MT0351983–2024 · 10 codes
  • NF1AA1983–2024 · 10 codes
  • NF2AD1983–2024 · 10 codes
  • RA0271983–2024 · 10 codes
  • RF0271983–2024 · 10 codes
  • SA5151983–2024 · 10 codes
  • SA5251983–2024 · 10 codes
  • SA5371983–2024 · 10 codes

Codes per make

Number of International Motors codes that decode each make

  1. Navistar9
  2. Caterpillar8
  3. IC Bus8
  4. International8
  5. Workhorse8
  6. Chevrolet2
  7. GM2
  8. GMC2
  9. Continental Mixer1

Related companies with largely the same models

At least half of the models under these companies' codes also appear under International Motors's codes; they have no page of their own.

CompanyCodesCode listModels
Blue Diamond Truck, S. de R. L. de C. V.53FN 3FR 3HA 3HB 3HC355
IC Bus, LLC34DR 4KA 5WE280
Navistar Canada, Inc.42HP 2HS 2HT 2HV419
UD Trucks Corporation5JNA JNE JPA JPB JPE308
Workhorse Custom Chassis25B4 5T4172

Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.