1HTCaterpillar, Chevrolet, GM, IC Bus, International, Navistar and Workhorse incomplete vehicles (chassis)
Held by International Motors, LLC · registered in the United States
WMI 1HT decodes 400 models in NHTSA's rules, the longest model list among the 3,097 three-character WMIs that name any model. It shares most of its model list with 22 other codes. Its rules place assembly in five countries. It covers seven makes: Caterpillar, Chevrolet, GM, IC Bus, International, Navistar and Workhorse.
Models in the decoding rules, by model year
- 1624, 16541981–1983
- 17231981–2004
- 1724, 1734, 17541981–1983
- 1752 SC1981–1983
- 1753 FC1981–1983
- 1823 FC, 1853 FC1981–1983
- 1823, 18531981–1983
- 1824, 18541981–1983
- 18551981–1983
- 1924, 19541981–1983
- 19251981–1983
- 1925, 19551981–1983
- 2125, 21551981–1983
- 22751981–2004
- 22761981–2004
- 23751981–2004
- 2524, 25541981–1983
- 25741981–2011
- 25751981–2004
- 2624, 2654, 26741981–1983
- 42701981–2004
- 43701981–2004
- 5050, 50701981–1983
- 50701981–2004
- 6070 FC1981–1983
- AP 8X61981–1983
- CO-1610B, CO-1630B, CO-1650B1981–1983
- CO-1710B, CO-1750B1981–1983
- CO-1810B, CO-1850B1981–1983
- CO-1910B, CO-1950B1981–1983
- CO-40701981–1983
- CO-53701981–1983
- CO-5870-OH1981–2004
- CO-96701981–2004
- COF-1810B1981–1983
- COF-1910B, COF-1950B1981–1983
Also in the rules (364 more): COF-4070, COF-5370, COF-5470-OH, COF-5870-OH, COF-9670, F-1924, F-1954, F-2125, F-2275, F-2276, F-2375, F-2524, F-2554, F-2574, F-2575, F-2624, F-2654, F-2674, F-4270, F-4370, F-5050, F-5070, F-5070, G-1904, G-1954, G-2105, G-2155, G-2275, G-2504, G-2575, G-2604, 1854RHD, CO-1610B, CO-1650B, CO-1710B, CO-1750B, CO-1810B, CO-1850B, CO-1950B, COF-1950B, 1452-SC, 1552-SC, 1652-SC, 1652-UPS, 1654, 1654LP, 1724, 1724RHD, 1753, 1754, 1754RHD, 1824, 1853, 1853FC, 1854, 1954, 1955, 2155, 2554, 2654, 2674, 2675, 3600 Vista, 3700, 3800, 3900FC, 400, 4200, 4300, 4500/4700 LPX, 4600, 4700, 4700 Low Profile, 4800, 4900, 500, 5000, 5050, 5600i, 600, 700, 7100, 7400, 8100, 8200, 8300, 900, 9100, 9100i, 9200, 9200i, 9370, 9400, 9400i, 9600, 9700, 9800, 9900, 9900i, 9920i, 9940i, 9M008, CF6AA, CF6AB, CF7AA, CF7AB, CO, COF, COF-5870, COF-9600, COF-9700, CR6AA, CR7AA, CX6AA, CX7AA, CZ6AB, CZ7AA, CZ7AB, DA597, DF557, DF567, DF577, DF597, DF677, DF697, DR557, DR567, DW577, DW597, DW697, DX557, DX567, DZ567, DZ577, DZ597, DZ677, DZ697, F- 2155, F-1924, F-1954, F-1954 RHD, F-2554, F-2574, F-2654, F-2674, F-4900, F-5050, F-7100, F-8100, F-8200, F-8300, F-9300, F-9370, F2675, G-1723, G-1904, G-1954, G-2105, G-2155, G-2375, G-8200, G-8300, GA107, Genesis, GF107, GR025, GR035, GW107, GZ107, KL045, KL055, L3307, L3337, L3377, L3407, L3417, L3427, L3437, L3447, L9377, LA617, LA627, LA637, LA647, LA657, LA667, LA677, LA687, LA697, LF517, LF617, LF627, LF637, LF647, LF657, LF667, LF677, LF687, LF697, M-1400, M-1600, MA015, MA025, MA035, MA045, MA055, MA065, MF035, MH025, MH035, MH045, MH065, MR015, MR065, MT035, NF1AA, NF2AA, NW2AA, PB105, PB205, PB215, PB305, PB405, PB905, PC015, PC025, PC035, PC045, PC055, PC065, PC075, PC105, PC205, PC215, PC305, PC405, PC505, PC605, PC615, PC625, PC705, PC805, RA017, RA027, RE300, RF017, RF027, SA025, SA035, SA515, SA537, SA547, SA557, SA567, SA625, SA637, SA647, SA667, SF035, SF525, SF537, SF547, SF557, SF567, SF625, SF637, SF647, SF657, SF667, SR515, SR525, SR537, SR667, SX525, SX537, SX567, SX667, SZ507, SZ607, TA005, TR005, WA002, WA005, WA012, XH015, XR015, XR025, 5900i, 7300, 7500, 7600, 8600, MD107, RE3000, 4400, 5500i, 7700, 9900ix, 9M003, 9M005, 9M006, 9M007, CF7AR, CZ6AA, CZ7AR, FF517, FF527, FF617, FH185, FZ527, FZ617, FZ627, GR015, L9217, L9227, L9327, L9357, L9427, LA707, LA717, LF707, LT517, LT717, NF1AD, NF2AD, Nfiac, SA525, SA615, CF6AR, CZ6AR, HX51F, HX52F, HX52Z, HX61F, HX61Z, HX62F, HX62Z, LT62A, LT62F, LT62T, RH61F, RH61T, CV515, HV507, HV513, HV607, HV613, HX515, HX520, HX615, HX620, LS532, LT625, MV607, RH107, RH613, SF539, GM515, GM51P, HV60G, LT61E, MV60C, MV60E, RH61E, HV509, HV515, HV609, HV615, LT616, HX52X, HX62X, RH61A.
Where the rules place assembly
Plant countriesUnited States, Mexico, Canada, Brazil, Australia
Plant locations namedSpringfield; Tulsa; Chatham; Windsor; Garland; West Point; Conway; Caxias Do Sul; Avilla; Cherokee; Inkster; Melrose Park; San Antonio; Sidney and 5 more
Bodies and power
Body classesTruck, Incomplete - Glider, Incomplete - Commercial Bus Chassis, Chassis cab (single), Incomplete - Stripped Chassis, Incomplete - Bus Chassis, Truck-Tractor, Bus - School Bus, Incomplete - School Bus Chassis, Incomplete
Primary fuelsDiesel, Electric, Natural Gas, Gasoline, Liquefied Petroleum Gas (propane or LPG)
Electrified versionsBattery electric
Codes with largely the same models
These codes have no page of their own: at least half of the models in their rules also appear under 1HT. The last column counts the shared models.
| Code | Holder | Vehicle type | Model years | Shared models |
|---|---|---|---|---|
| 1HC | International Motors, LLC | trailers | 1983–2014 | 211 of 211 |
| 1HP | International Motors, LLC | trucks | 1983–open | 253 of 253 |
| 1HS | International Motors, LLC | trucks | 1983–open | 362 of 367 |
| 1HV | International Motors, LLC | incomplete vehicles (chassis) | 1981–open | 337 of 358 |
| 2HP | Navistar Canada, Inc. | trucks | 1983–2023 | 250 of 250 |
| 2HS | Navistar Canada, Inc. | trucks | 1983–2023 | 359 of 364 |
| 2HT | Navistar Canada, Inc. | incomplete vehicles (chassis) | 1981–2023 | 395 of 395 |
| 2HV | Navistar Canada, Inc. | incomplete vehicles (chassis) | 1981–2023 | 335 of 356 |
| 3HA | Blue Diamond Truck, S. de R. L. de C. V. | incomplete vehicles (chassis) | 1983–open | 253 of 253 |
| 3HB | Blue Diamond Truck, S. de R. L. de C. V. | incomplete vehicles (chassis) | 2001–open | 235 of 255 |
| 3HC | Blue Diamond Truck, S. de R. L. de C. V. | trucks | 1995–open | 302 of 306 |
| 3HR | International Motors, LLC | trucks | 1983–open | 253 of 253 |
| 3HS | International Motors, LLC | trucks | 1983–open | 278 of 283 |
| 3HT | International Motors, LLC | incomplete vehicles (chassis) | 1983–open | 363 of 363 |
| 3HV | International Motors, LLC | incomplete vehicles (chassis) | 1995–open | 236 of 257 |
| 4DR | IC Bus, LLC | buses | 1991–open | 203 of 223 |
| 4KA | IC Bus, LLC | trucks | 1983–open | 253 of 253 |
| 5B4 | Workhorse Custom Chassis | incomplete vehicles (chassis) | 1999–2013 | 156 of 172 |
| 5T4 | Workhorse Custom Chassis | trucks | 1999–2013 | 156 of 172 |
| 5WE | IC Bus, LLC | incomplete vehicles (chassis) | 2007–open | 213 of 226 |
| JPA | UD Trucks Corporation | incomplete vehicles (chassis) | 1983–2012 | 278 of 278 |
| JPE | UD Trucks Corporation | trucks | 1983–2012 | 278 of 278 |
Compared with the closest code, JPB
JPB is held by UD Trucks Corporation. Measured by the overlap of the two model lists, it is the code closest to 1HT apart from those listed above.
Models in both252
Only under 1HT1624, 1654, 1724, 1734, 1754, 1752 SC, 1753 FC, 1823 FC, 1853 FC, 1823, 1853, 1824, 1854, 1855, 1924, 1954, 1925, 1925, 1955, 2125, 2155, 2524, 2554, 2624, 2654, 2674, 5050, 5070, 6070 FC, AP 8X6, CO-1610B, CO-1630B, CO-1650B, CO-1710B, CO-1750B, CO-1810B, CO-1850B, CO-1910B, CO-1950B, CO-4070, CO-5370, COF-1810B and 124 more
Model years1HT: 1981–open · JPB: 1983–1990
Plant countries only for 1HTUnited States, Mexico, Canada, Brazil, Australia
Body classes only for 1HTTruck, Incomplete - Commercial Bus Chassis, Chassis cab (single), Bus - School Bus, Incomplete, Bus
Vehicle type1HT: incomplete vehicles (chassis) · JPB: trucks
Other codes held by International Motors
| Code | Vehicle type | Makes | Model years | Models |
|---|---|---|---|---|
| 1HA | incomplete vehicles (chassis) | Chevrolet, Navistar | 2017–open | 109 |
| 7GZ | incomplete vehicles (chassis) | GMC | 2017–open | 2 |
Caterpillar under other holders
Models named in each code's rules
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.