US Military Vehicles with J1939 Diagnostic Ports

List of wheeled tactical and logistics platforms supporting standard J1939 diagnostics (9-pin Deutsch connector). Tracked combat vehicles generally use MilCAN or custom protocols instead.
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J1939-Equipped Military Vehicles & Variants

All listed vehicles support J1939 diagnostics in modern/upgraded configurations (commonly via Cummins, Caterpillar, or equivalent engines). Supported by tools like DATS.

Common Name Type / Variant / Family Name (Key Examples) Notes on J1939 Usage
HMMWV High Mobility Multipurpose Wheeled Vehicle (Humvee) – M998 series (base), M1097A2, M1113 ECV, M1114 (up-armored), M1116 (USAF), M1151 (armament carrier), M1151A1, M1152 (cargo/troop), M1165 (command) Present in modernized/ECV/rebuilt models (M1113+ series) with updated engines; J1939 diagnostics supported in later configurations
FMTV Family of Medium Tactical Vehicles (LMTV 2.5-ton: M1078 cargo, M1079 van, M1080 chassis, M1081 LVAD cargo, M1082 trailer; MTV 5-ton: M1083 cargo, M1084 w/MHE, M1085 LWB cargo, M1086 LWB w/MHE, M1087 expansible van, M1088 tractor, M1089 wrecker, M1090 dump, M1091 tanker, M1092 chassis, M1093 LVAD cargo, M1094 LVAD dump, M1095 trailer, M1096 LWB chassis; plus M1140 HIMARS chassis, M1147/1148 LHS, M1157 10-ton dump, M1273 10-ton chassis) Standard 9-pin J1939 port on all powered variants; widely supported by DATS across LMTV/MTV series
HEMTT Heavy Expanded Mobility Tactical Truck (8x8) – M977/M977A4 cargo, M977 EPP (electrical power plant), M978/M978A4 tanker, M982/M982A4 tractor, M983/M983A4 tractor, M984/M984A4 wrecker/recovery, M1120/M1120A4 LHS (load handling system), M985 cargo, Patriot/THAAD transporter variants J1939 in diagnostics and engine systems; standard on A4 models (and many A2/A0 recapitalized to A4)
PLS Palletized Load System (truck + trailer) – M1074/M1075 (base), M1076 trailer, M1148 LHS variants, various PLS trailers J1939 diagnostic support; covered by DATS for engine/transmission/vehicle data
HET Heavy Equipment Transporter – M1070/M1070A1 (tractor), M1000 trailer, M1300 series J1939 noted in diagnostics; supported by DATS on HET platforms
HIMARS High Mobility Artillery Rocket System – M1140 (launcher chassis, FMTV-based), M142 HIMARS vehicle J1939-compatible bus; DATS supports full diagnostics
JLTV Joint Light Tactical Vehicle – General Purpose (GP), Heavy Guns Carrier (HGC), Close Combat Weapons Carrier (CCWC), Utility (Shelter/Prime Mover), Trailer variants (many mission packages) Modern CAN/J1939 architecture; integrated J1939 for diagnostics in production models
Stryker Stryker Infantry Carrier Vehicle (various) – M1126 ICV, M1127 RV, M1128 MGS, M1129 MCV, M1130 CV, M1131 FSV, M1132 ESV, M1133 MEV, M1134 ATGM, M1135 NBCRV; DVH upgrades: M1256A1 ICVVA1, M1251A1 FSVVA1, M1252A1 MCVVA1, M1254A1 MEVVA1, M1255A1 CVVA1, M1257A1 ESVVA1, M1265A1 M-SHORAD; ICVVA1-30mm (in development) Uses J1939 CAN for systems and diagnostics; confirmed in electrical architecture (A1/DVH variants especially)
MRAP / M-ATV Mine-Resistant Ambush Protected – M-ATV family (Oshkosh: Special Forces, Assault, Engineer, Command, Utility); MaxxPro (base, Dash, ambulance, MRV); Cougar (4x4/6x6, HEV); RG-31 Nyala variants; others (Caiman, etc.) Many variants use J1939 for engine/vehicle diagnostics; DATS covers MRAP family including M-ATV/MaxxPro/Cougar

Note: Exact J1939 implementation varies by model year, recapitalization package, and engine. For precise confirmation, consult DoD technical manuals or OEM documentation.

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