{
 "subcategory": "joint-actuators",
 "made_in": "unknown",
 "moq": "unknown",
 "lead_time": "unknown",
 "hts": "unknown",
 "equivalents": [],
 "pairs_with": [],
 "maglev": {
  "custom": "",
  "directory_ref": null
 },
 "id": "ac-unitree-b1-16",
 "name": "Unitree B1-16 IP68 Waterproof Joint Motor",
 "brand": "Unitree",
 "mpn": "B1-16",
 "summary": "Unitree's large IP68 waterproof joint motor (140 N·m max, RS-485), sold as a component for legged robots that must work outdoors and in water.",
 "maker": {
  "name": "Unitree Robotics (宇树科技, Hangzhou)",
  "country": "CN",
  "role": "brand"
 },
 "specs": {
  "peak_torque_nm": {
   "label": "Peak torque",
   "value": "140 N·m maximum instantaneous",
   "num": 140,
   "unit": "N·m"
  },
  "rated_torque_nm": {
   "label": "Rated torque",
   "value": "unknown",
   "num": null
  },
  "ratio": {
   "label": "Gear ratio",
   "value": "unknown",
   "num": null
  },
  "voltage_v": {
   "label": "Voltage",
   "value": "36-64 V working voltage",
   "num": 64,
   "unit": "V"
  },
  "mass_g": {
   "label": "Mass",
   "value": "1740 g",
   "num": 1740,
   "unit": "g"
  },
  "interface": {
   "label": "Interface",
   "value": "High-speed RS-485, 1 kHz control loop",
   "num": null
  },
  "encoder": {
   "label": "Encoder",
   "value": "15-bit motor-side",
   "num": null
  },
  "ip": {
   "label": "Protection",
   "value": "IP68",
   "num": null
  }
 },
 "price": [],
 "compliance": {
  "ndaa": "unknown",
  "blue_uas": "unknown",
  "fcc": "n/a",
  "notes": "No price or store listing on shop.unitree.com. The shop's 'Unitree B1 Motor' (see ac-unitree-b1-motor) looks different in photos, so we do not treat them as the same part."
 },
 "links": {
  "product": "https://www.unitree.com/b1-16",
  "datasheet": null,
  "cad": null
 },
 "sources": [
  {
   "url": "https://www.unitree.com/b1-16",
   "what": "official spec table"
  },
  {
   "url": "https://www.unitree.com/cn/b1-16",
   "what": "official spec table (Chinese)"
  }
 ],
 "confidence": "VERIFIED",
 "stock": {
  "status": "unknown",
  "source": "https://www.unitree.com/b1-16",
  "as_of": "2026-10-30"
 },
 "category": "actuators",
 "subcategory_title": "Integrated Joint Actuators",
 "icon": "joint",
 "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-unitree-b1-16/",
 "markdown": "https://parts.trymaglev.com/p/ac-unitree-b1-16/index.md",
 "equivalents_detail": [],
 "pairs_with_detail": []
}