{
 "id": "ac-damiao-dm-j4340-2ec-v1-1",
 "name": "Damiao DM-J4340-2EC V1.1 Joint Motor",
 "subcategory": "joint-actuators",
 "brand": "Damiao",
 "mpn": "DM-J4340-2EC V1.1",
 "summary": "Compact 40:1 integrated joint motor (57 mm, about 362 g) for robot-arm and humanoid-arm joints that need 40 N·m peak at low speed.",
 "maker": {
  "name": "Shenzhen Damiao Technology (深圳市达妙科技有限公司)",
  "country": "CN",
  "role": "brand"
 },
 "made_in": "unknown",
 "specs": {
  "peak_torque_nm": {
   "label": "Peak torque",
   "value": "40 N·m",
   "num": 40,
   "unit": "N·m"
  },
  "rated_torque_nm": {
   "label": "Rated torque",
   "value": "12 N·m",
   "num": 12,
   "unit": "N·m"
  },
  "ratio": {
   "label": "Gear ratio",
   "value": "40:1 planetary",
   "num": 40
  },
  "voltage_v": {
   "label": "Voltage",
   "value": "24 V (48 V version also listed)",
   "num": 24,
   "unit": "V"
  },
  "mass_g": {
   "label": "Mass",
   "value": "about 362 g",
   "num": 362,
   "unit": "g"
  },
  "interface": {
   "label": "Interface",
   "value": "CAN @1 Mbps; UART for tuning; MIT, position-velocity, velocity, force-position modes",
   "num": null
  }
 },
 "price": [],
 "moq": "unknown",
 "lead_time": "unknown",
 "hts": "unknown",
 "compliance": {
  "ndaa": "unknown",
  "blue_uas": "unknown",
  "fcc": "n/a",
  "notes": "Specs read from the parameter-table image on the maker page. No price or stock shown on the maker site."
 },
 "links": {
  "product": "https://www.mdmbot.com/index.php?c=show&id=135",
  "datasheet": null,
  "cad": null
 },
 "equivalents": [
  "ac-cubemars-ak45-36-v3"
 ],
 "pairs_with": [],
 "maglev": {
  "custom": "",
  "directory_ref": null
 },
 "sources": [
  {
   "url": "https://www.mdmbot.com/index.php?c=show&id=135",
   "what": "specs (parameter table image) + photo"
  }
 ],
 "confidence": "VERIFIED",
 "stock": {
  "status": "unknown",
  "source": "https://www.mdmbot.com/index.php?c=show&id=135",
  "as_of": "2026-10-30"
 },
 "category": "actuators",
 "subcategory_title": "Integrated Joint Actuators",
 "icon": "joint",
 "image": {
  "url": "https://parts.trymaglev.com/img/ac-damiao-dm-j4340-2ec-v1-1.webp",
  "thumb": "https://parts.trymaglev.com/img/t/ac-damiao-dm-j4340-2ec-v1-1.webp",
  "source_image": "https://www.mdmbot.com/uploadfile/202609/a36c18a3b8b0fae.png",
  "source_page": "https://www.mdmbot.com/index.php?c=show&id=135",
  "background": "removed (Apple Vision)",
  "as_of": "2026-10-30"
 },
 "origin": {
  "code": "CN",
  "basis": "hq"
 },
 "hts_resolved": {
  "code": "8501.31.40.00",
  "typical": true,
  "key": "integrated-joint-actuators",
  "basis": "subcategory",
  "confidence": "low",
  "note": "No modern ruling found for a motor+reducer+driver+encoder robot joint. Treat as unresolved."
 },
 "us_duty_by_origin": {
  "as_of": "2026-10-29",
  "rates": [
   {
    "origin": "CN",
    "duty_pct": 41.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "TW",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "VN",
    "duty_pct": 16.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "IN",
    "duty_pct": 14,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "JP",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "KR",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "DE",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "MX",
    "duty_pct": 14,
    "possible_pct": 0,
    "usmca": true
   },
   {
    "origin": "US",
    "duty_pct": 0,
    "possible_pct": 0,
    "usmca": false
   }
  ]
 },
 "url": "https://parts.trymaglev.com/p/ac-damiao-dm-j4340-2ec-v1-1/",
 "markdown": "https://parts.trymaglev.com/p/ac-damiao-dm-j4340-2ec-v1-1/index.md",
 "equivalents_detail": [
  {
   "id": "ac-cubemars-ak45-36-v3",
   "name": "CubeMars AK45-36 V3.0 KV80 Robotic Actuator",
   "brand": "CubeMars",
   "mpn": "AK45-36 V3.0 KV80",
   "category": "actuators",
   "subcategory": "joint-actuators",
   "summary": "Small high-ratio (36:1) integrated planetary joint for low-speed, high-torque small joints such as fingers-to-wrist drives and small arm elbows.",
   "origin": "CN",
   "origin_basis": "hq",
   "price_usd": 185.9,
   "price_qty": 1,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-cubemars-ak45-36-v3.webp",
   "url": "https://parts.trymaglev.com/p/ac-cubemars-ak45-36-v3/",
   "json": "https://parts.trymaglev.com/api/parts/ac-cubemars-ak45-36-v3.json"
  }
 ],
 "pairs_with_detail": []
}