{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.m6-gun-motor-carriage","code":"thing-q2360866","url":"https://ver.cy/models/thing/q2360866/","name":"M6 Gun Motor Carriage","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.OBJ"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The M6 Gun Motor Carriage was a United States Second World War wheeled self-propelled antitank vehicle mounting a 37 mm M3 gun on a Dodge WC-55 three-quarter-ton, four-wheel-drive truck chassis.","purpose":"Enable an agent to identify the M6 Gun Motor Carriage design, assess evidence about surviving examples, and determine appropriate documentation, conservation, display, or movement actions.","scope":{"in":["Military M6 designation and its relationship to the Dodge WC-55 manufacturer designation","Integration of a 37 mm gun with the wheeled weapons-carrier chassis","Design-specific mobility, crew accommodation, and equipment configuration","Evidence distinguishing original examples, altered vehicles, restorations, and replicas","Condition and authorization requirements for conservation, display, transport, and vehicle movement"],"out":["The Dodge WC vehicle family except for inherited features needed to identify the M6","The 37 mm gun as an independently manufactured weapon","Ammunition design, manufacture, and firing procedures","Tank-destroyer doctrine, battlefield tactics, and engagement planning","Ownership histories and maintenance logs as standalone records of individual vehicles"],"boundaries":[]},"distinguishingFeatures":["Check the paired designations: the military M6 gun motor carriage corresponds to Dodge model WC-55. [U.S. War Department TM 9-2800](https://www.lonesentry.com/manuals/tm-9-2800-military-vehicles/37mm-gun-motor-carriage-m6.html).","Require evidence of the integrated 37 mm gun-carrier configuration; an otherwise similar weapons carrier or a truck merely transporting a gun is insufficient.","Check the wheeled 4×4 weapons-carrier chassis, distinguishing the entry from tracked or half-track gun motor carriages.","Resolve 'M6' through the full vehicle designation; a matching number on a component or another military vehicle does not establish identity.","Distinguish historical manufacture from present appearance: a reconstructed gun installation alone does not prove that its host vehicle originated as an M6."],"structure":{"bundles":[{"id":"designation-and-boundaries","name":"Designation and boundaries","description":"Establish what the registered M6 designation denotes and how references attach to it.","layers":[{"id":"designation-crosswalk","name":"Designation crosswalk","description":"Connect military and manufacturer terminology through evidence.","findings":[{"id":"m6-wc55-identity","name":"M6 and WC-55 identity","description":"The model must preserve the evidence connecting the complete military designation with the manufacturer model.","questions":[{"text":"Which contemporary document explicitly connects the M6 Gun Motor Carriage designation to Dodge WC-55?","id":"m6-wc55-identity-q01","kind":"provenance"},{"text":"Which markings distinguish the carrier designation from gun, engine, and other component designations?","id":"m6-wc55-identity-q02","kind":"definition"}]}]},{"id":"design-versus-example","name":"Design versus example","description":"Separate the registered vehicle design from specimens and neighbouring vehicle types.","findings":[{"id":"membership-evidence","name":"Evidence of design membership","description":"Recognition requires a documented relationship to the M6 design rather than resemblance or a display label.","questions":[{"text":"What evidence distinguishes an originally manufactured M6 from another Dodge weapons carrier fitted with a reproduction installation?","id":"membership-evidence-q01","kind":"boundary"},{"text":"How should an authenticated M6 chassis with its gun installation removed remain linked to this design?","id":"membership-evidence-q02","kind":"boundary"}]}]}]},{"id":"gun-carrier-integration","name":"Gun-carrier integration","description":"Describe the interfaces that make this configuration a gun motor carriage.","layers":[{"id":"installation-identity","name":"Installation identity","description":"Identify the gun, mount, shield, and carrier-specific interfaces.","findings":[{"id":"documented-installation","name":"Documented installation","description":"Assess installation completeness against an applicable historical configuration without supplying weapon assembly instructions.","questions":[{"text":"Which gun and mount designations are specified by the applicable M6 manual or parts list?","id":"documented-installation-q01","kind":"provenance"},{"text":"Which visible mount, shield, and body features distinguish the documented M6 installation from an improvised installation?","id":"documented-installation-q02","kind":"definition"}]}]},{"id":"crew-and-stowage-layout","name":"Crew and stowage layout","description":"Record the carrier-specific arrangement of occupied space and equipment.","findings":[{"id":"layout-completeness","name":"Layout completeness","description":"Crew positions, equipment locations, and stowage fittings provide evidence of configuration and affect interpretation of surviving vehicles.","questions":[{"text":"Which crew positions and stowage locations are established by contemporary M6 drawings or photographs?","id":"layout-completeness-q01","kind":"provenance"},{"text":"Which fittings are absent, relocated, or reproduced in the example being assessed?","id":"layout-completeness-q02","kind":"measurement"}]}]}]},{"id":"mobility-and-physical-envelope","name":"Mobility and physical envelope","description":"Capture the inherited vehicle systems and the physical consequences of the M6 configuration.","layers":[{"id":"powertrain-and-controls","name":"Powertrain and controls","description":"Relate propulsion and driving controls to documented equipment and present condition.","findings":[{"id":"powertrain-correspondence","name":"Powertrain correspondence","description":"Engine, driveline, and control evidence must distinguish original specification from later substitutions.","questions":[{"text":"Which engine, fuel system, transmission, and driving controls belong to the documented M6 configuration?","id":"powertrain-correspondence-q01","kind":"definition"},{"text":"What records or inspection findings identify replacements affecting movement assessment or historical authenticity?","id":"powertrain-correspondence-q02","kind":"provenance"}]}]},{"id":"mass-dimensions-and-load-state","name":"Mass, dimensions, and load state","description":"Make physical measurements interpretable by recording their configuration.","findings":[{"id":"configuration-dependent-envelope","name":"Configuration-dependent envelope","description":"Published and measured dimensions require explicit equipment positions and load assumptions.","questions":[{"text":"What are the vehicle's measured mass, height, width, and length in the proposed transport or display configuration?","id":"configuration-dependent-envelope-q01","kind":"measurement"},{"text":"Do the reference figures describe an empty, equipped, loaded, or shipping configuration?","id":"configuration-dependent-envelope-q02","kind":"boundary"}]}]}]},{"id":"historical-configuration-and-authenticity","name":"Historical configuration and authenticity","description":"Trace design changes and evaluate the evidential status of surviving configurations.","layers":[{"id":"configuration-chronology","name":"Configuration chronology","description":"Connect specification claims to their dates and applicability.","findings":[{"id":"dated-reference-baseline","name":"Dated reference baseline","description":"The assessment baseline must identify the edition and configuration being represented.","questions":[{"text":"Which dated manual, parts list, or production record defines the configuration under assessment?","id":"dated-reference-baseline-q01","kind":"provenance"},{"text":"Which documented production or service changes explain departures from that baseline?","id":"dated-reference-baseline-q02","kind":"boundary"}]}]},{"id":"surviving-material-evidence","name":"Surviving material evidence","description":"Separate original material from replacement parts and interpretive additions.","findings":[{"id":"restoration-claim-confidence","name":"Restoration claim confidence","description":"Record the support and uncertainty behind claims of originality, restoration, and reconstruction.","questions":[{"text":"Which photographs, identification records, or physical traces support the claimed original M6 identity?","id":"restoration-claim-confidence-q01","kind":"provenance"},{"text":"Which carrier-specific parts are original, period replacements, modern reproductions, or unresolved?","id":"restoration-claim-confidence-q02","kind":"definition"}]}]}]},{"id":"condition-and-permitted-use","name":"Condition and permitted use","description":"Translate documented condition into decisions about preserving and handling an M6 example.","layers":[{"id":"carrier-condition","name":"Carrier condition","description":"Assess vehicle systems and the integrity of the installed equipment for the proposed activity.","findings":[{"id":"movement-and-conservation-evidence","name":"Movement and conservation evidence","description":"Decisions require current inspection evidence covering the chassis and the additional gun-carrier equipment.","questions":[{"text":"What inspection evidence addresses brakes, steering, tires, fuel leaks, chassis corrosion, and security of the installed carrier equipment?","id":"movement-and-conservation-evidence-q01","kind":"measurement"},{"text":"Which defects restrict this example to static display or require conservation before transport or controlled movement?","id":"movement-and-conservation-evidence-q02","kind":"action"}]}]},{"id":"armament-and-display-status","name":"Armament and display status","description":"Record documentary status and activity-specific requirements for the gun installation and displayed ammunition.","findings":[{"id":"documented-handling-boundary","name":"Documented handling boundary","description":"Appearance and vehicle running condition cannot establish the status of the gun or ammunition-shaped objects.","questions":[{"text":"What competent assessment or documentation establishes the status of the installed gun and any ammunition-shaped objects?","id":"documented-handling-boundary-q01","kind":"provenance"},{"text":"Which requirements apply to the proposed display or transport at its location, and what evidence shows they are satisfied?","id":"documented-handling-boundary-q02","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of M6 Gun Motor Carriage this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of M6 Gun Motor Carriage this model covers, and on what evidence?","id":"evidence-identifiers-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of M6 Gun Motor Carriage this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of M6 Gun Motor Carriage this model covers, and on what evidence?","id":"evidence-measurements-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of M6 Gun Motor Carriage this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of M6 Gun Motor Carriage this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Describe the vehicle's improvised design and its brief Second World War service.","Support museums and historians in cataloguing surviving vehicles and records."],"mustNot":["Help restore its weapon to a working state or acquire functional armament.","Assist transfers of military equipment that breach weapons or export laws.","Glorify killing when describing its combat use.","Present uncertain service details as established fact."],"requiresHuman":["Any decision on demilitarisation, sale or public display of a surviving vehicle."]},"ethics":{"considerations":["Wartime vehicles record loss of life; their history should be told with care and accuracy."],"affectedParties":["Veterans and their families","Museum visitors","Historians"]},"owners":{"steward":"The museum or registered collector who holds a vehicle; weapons authorities regulate any armament.","roles":[],"masterSystems":[]},"relations":[{"target":"Q100708447","type":"parent","note":"registry parent class"},{"target":"Q100709466","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.m6-gun-motor-carriage","Wikidata: Q2360866 (https://www.wikidata.org/wiki/Q2360866)"]},"properties":{"applicability":"required","items":["Designation evidence: Military designation, manufacturer designation, identification markings, supporting record","Chassis configuration: Wheeled 4×4 weapons-carrier chassis; documented deviations","Installed gun identity: Gun designation, nominal caliber in mm, marking evidence, installation date if known","Configuration authenticity: Documented original configuration; altered original; restored original; reconstruction; replica; unresolved","Mass and external envelope: kg and mm, with load condition, gun position, accessories, and measurement source","Powertrain configuration: Engine identity, fuel type, transmission and driveline configuration, replacement evidence","Equipment and stowage completeness: Present; missing; substituted; reproduced; unknown, by documented equipment position","Mobility assessment: Static only; assessed for controlled movement; assessed for transport; unassessed, with date and assessor","Armament status: Absent; replica; documented deactivated; other documented status; unknown"]},"recognition":{"applicability":"required","items":["A light four-wheel-drive truck carrying a small anti-tank gun on the cargo bed facing rearward.","A gun shield on the mount and no armour on the cab."]},"capabilities":{"applicability":"required","items":["Compare identification evidence with the documented M6/WC-55 configuration.","Record missing, substituted, or reconstructed carrier-specific components.","Separate historical design specifications from measurements of a surviving example.","Prepare a conservation or exhibition assessment grounded in authenticity and condition evidence.","Route proposed transport or controlled vehicle movement for qualified assessment.","Link unresolved designation and configuration claims to the documents needed to settle them."]},"hazards":{"applicability":"required","items":["Crews had no protection, so the type was vulnerable in combat.","Unverified surviving armament may be dangerous or unlawful to hold."]},"interfaces":{"applicability":"required","items":["The designation 37-mm Gun Motor Carriage M6, assigned by the United States Army, is the official historical equipment classification for this vehicle."]},"context":{"applicability":"required","items":["This vehicle was developed for mobile antitank service during the Second World War.","Surviving examples and historical records are encountered in military museums, vehicle collections and research on wartime equipment.","Identification supports provenance research, conservation and interpretation of the vehicle's original configuration."]}},"sources":[{"title":"Wikidata item Q2360866: M6 Gun Motor Carriage","url":"https://www.wikidata.org/wiki/Q2360866","note":"identity and sense of the item"},{"title":"Wikipedia: M6 gun motor carriage","url":"https://en.wikipedia.org/wiki/M6_gun_motor_carriage","note":"general description of the item"}],"openQuestions":["Which primary records resolve differing references to M3 versus M3A1 armament, and do those differences indicate actual configuration changes?","Which chassis identifiers and carrier-specific physical features reliably distinguish an original WC-55 from a reconstruction using another Dodge WC chassis?","What production changes and documented gun-removal conversions must be represented without creating unsupported subtypes?","Which mass and dimension figures are authoritative for each equipment and loading condition?","Does an existing Vercy world-model publication already cover this exact concept and therefore require a registry link instead of a separate publication?"],"resources":{"spec":"/models/things/publications/thing-q2360866/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2360866/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T11:05:57Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:28+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}