{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.tractor","code":"thing-q39495","url":"https://ver.cy/models/thing/q39495/","name":"tractor","alternateNames":["forestry tractor","Issoise infantry tractor","JCB HMEE","driverless tractor","hydrogen-powered tractor","steam tractor","timber extraction tractor","Latil TL","Renault HI","STZ-5","Porsche Standard N 208","Unimog 2010"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.OBJ"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A powered vehicle designed to deliver high tractive effort at low speeds for pulling and powering implements, trailers and machinery in agriculture, forestry, construction and other work, from historical steam tractors to modern diesel, electric, hydrogen-powered and driverless tractors, including specialised forestry and industrial tractors; tractors are heavy equipment regulated for road use, operator safety and emissions.","purpose":"Let an agent explain tractors and their kinds, support choosing, operating and maintaining tractors safely, describe regulations and technology trends, and cover their history.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Tractive effort","Implement interfaces","Agricultural and industrial use","Regulated heavy equipment"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What tractors are.","layers":[{"id":"kinds","name":"Kinds","description":"Kinds of tractor.","findings":[{"id":"kinds-finding","name":"Kinds","description":"Kinds.","questions":[{"text":"How do agricultural, forestry, industrial and compact tractors differ, and what are their key components?","kind":"definition"},{"text":"Which entry fits a specific model?","kind":"action"}]}]},{"id":"technology","name":"Technology","description":"Technology.","findings":[{"id":"technology-finding","name":"Technology","description":"Technology.","questions":[{"text":"How do tractor transmissions, hydraulics, hitches and power take-off work, and what are electric, hydrogen and driverless developments?","kind":"provenance"},{"text":"Which entry fits precision agriculture?","kind":"action"}]}]}]},{"id":"use","name":"Use","description":"Choosing and operating.","layers":[{"id":"choose","name":"Choose","description":"Choosing a tractor.","findings":[{"id":"choose-finding","name":"Choose","description":"Choosing.","questions":[{"text":"Which tractor size and type suits this farm or task, and what should be checked when buying?","kind":"action"},{"text":"Which entry fits farm equipment financing?","kind":"action"}]}]},{"id":"safety","name":"Safety","description":"Safe operation.","findings":[{"id":"safety-finding","name":"Safety","description":"Safety.","questions":[{"text":"What safety practices and equipment prevent rollovers, entanglement and road accidents, according to safety bodies?","kind":"provenance"},{"text":"Is there an accident now, requiring emergency services?","kind":"boundary"}]}]}]},{"id":"maintain","name":"Maintain","description":"Maintenance and rules.","layers":[{"id":"maintenance","name":"Maintenance","description":"Maintenance.","findings":[{"id":"maintenance-finding","name":"Maintenance","description":"Maintenance.","questions":[{"text":"How are tractors maintained, and which common faults arise?","kind":"action"},{"text":"Which entry fits diesel engines?","kind":"action"}]}]},{"id":"rules","name":"Rules","description":"Regulations.","findings":[{"id":"rules-finding","name":"Rules","description":"Regulations.","questions":[{"text":"Which road, licensing and emission rules apply to tractors here?","kind":"provenance"},{"text":"Which entry fits agricultural vehicle law?","kind":"action"}]}]}]},{"id":"learn","name":"Learn","description":"History and culture.","layers":[{"id":"history","name":"History","description":"History of tractors.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did tractors develop from steam engines to modern machines, and how did they change farming?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"culture","name":"Culture","description":"Tractors in culture.","findings":[{"id":"culture-finding","name":"Culture","description":"Culture.","questions":[{"text":"How are vintage tractors collected and shown, and how do tractors appear in culture?","kind":"provenance"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Report a tractor's position, hours, faults and service needs to its keeper.","Drive or steer a tractor in fields where it is authorized and people are kept clear."],"mustNot":["Operate a tractor without a working rollover protective structure or seat belt.","Engage a power take-off while anyone is near the shaft or implement.","Carry passengers on a tractor not designed for them.","Drive on public roads without the lights, markings and authorization the law requires."],"requiresHuman":["Operating on steep slopes, near ditches or near people.","Lending the tractor to another operator."]},"ethics":{"considerations":["Tractors are among the deadliest machines in farming; rollovers and entanglement kill every year.","Children on farms are especially at risk around tractors."],"affectedParties":["Farm workers","Children on farms","Other road users"]},"owners":{"steward":"The registered keeper or the farm that operates it.","roles":[],"masterSystems":["Vehicle registers where tractors must be registered"]},"relations":[{"target":"Q115923031","type":"parent","note":"registry parent class"},{"target":"Q59569","type":"parent","note":"registry parent class"},{"target":"Q874311","type":"parent","note":"registry parent class"},{"target":"Q946596","type":"parent","note":"registry parent class"},{"target":"Q97408605","type":"parent","note":"registry parent class"},{"target":"heavy equipment","type":"related","note":"category"},{"target":"outdoor power equipment","type":"related","note":"category"},{"target":"tractor unit","type":"related","note":"category"},{"target":"maize","type":"related","note":"a crop worked with tractors"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.tractor","Wikidata: Q39495 (https://www.wikidata.org/wiki/Q39495)"]},"properties":{"applicability":"required","items":["Operating mass:  kg - Determine by weighing the vehicle and record the included fuel, ballast, operator and attachments.","Rated power:  kW - Use a documented power test or manufacturer rating that identifies the measurement point and operating conditions.","Drawbar pull:  kN - Measure with a calibrated force instrument during a controlled traction test and record surface and ballast conditions.","Overall width:  m - Measure across the widest points of the configured vehicle, including fitted equipment."]},"recognition":{"applicability":"required","items":["High traction at low speed","Implement hitches and power take-off","A truck carries loads; a combine harvester is a self-propelled implement","A vehicle with large rear wheels or tracks, an engine and hitch points."]},"capabilities":{"applicability":"required","items":["explain kinds of tractor","support choosing and operating","describe regulations and trends","cover history"]},"hazards":{"applicability":"required","items":["Rollover injuries and deaths","Power take-off entanglement","Road collisions with slow vehicles"]},"interfaces":{"applicability":"required","items":["Road traffic rules for agricultural vehicles","Operator safety standards such as rollover protection","Emission standards for non-road engines"]},"context":{"applicability":"required","items":["Vehicles for pulling and powering implements.","agricultural tractors","forestry tractors","industrial and construction tractors","compact and garden tractors","historical steam and early tractors"]}},"sources":[{"title":"Wikidata item Q39495: tractor","url":"https://www.wikidata.org/wiki/Q39495","note":"identity and sense of the item"},{"title":"Wikipedia: Tractor","url":"https://en.wikipedia.org/wiki/Tractor","note":"general description of the item"}],"openQuestions":["Should each tractor type be a separate entry?","How should safety guidance be linked?","How should manufacturer data be linked?"],"resources":{"spec":"/models/things/publications/thing-q39495/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q39495/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T00:23:59Z","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 2026-10-07T10:10:30+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}