{
  "id": "df-4",
  "name": "DF-4 (Dongfeng 4)",
  "aliases": [
    "CSS-3"
  ],
  "domain": "missile",
  "country": "CHN",
  "category": "Intermediate-range ballistic missile",
  "status": null,
  "fielded": 1980,
  "operators": [
    "CHN"
  ],
  "prolif_count": 1,
  "summary": "The Dongfeng 4 (DF-4/CSS-3) Chinese Intermediate-Range Ballistic Missile (IRBM) is a two-stage, transportable, liquid-fueled intermediate to intercontinental ballistic missile (IRBM/ICBM) that entered service in 1980. It was expected to be decommissioned by 2005, but one brigade remains operational near Lingbao, Henan province.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "Factory 211 (Capital Astronautics Co.)",
      "src": [
        "weg-df-4"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Basing",
      "section": "system",
      "v": "Transportable",
      "src": [
        "weg-df-4"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Propulsion",
      "section": "mobility",
      "v": "Two-stage, storable liquid propellant",
      "src": [
        "weg-df-4"
      ],
      "conf": "medium"
    },
    {
      "k": "warhead",
      "v": "Single nuclear warhead, 1-3 MT yield",
      "src": [
        "weg-df-4"
      ],
      "conf": "medium"
    },
    {
      "k": "range_max_km",
      "v": [
        4500,
        5000
      ],
      "src": [
        "weg-df-4"
      ],
      "conf": "medium",
      "note": "4,500 - 5,000 km"
    },
    {
      "k": "length_m",
      "v": 28.05,
      "src": [
        "weg-df-4"
      ],
      "conf": "medium"
    },
    {
      "k": "diameter_m",
      "v": 2.25,
      "src": [
        "weg-df-4"
      ],
      "conf": "medium"
    },
    {
      "k": "launch_weight_kg",
      "v": 82000,
      "src": [
        "weg-df-4"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "srbm",
  "image": null,
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-10",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN), bulk import"
    }
  ],
  "url": "https://www.defensepedia.com/systems/df-4.html",
  "sources": {
    "weg-df-4": {
      "title": "DF-4 (Dongfeng 4) Chinese Intermediate-Range Ballistic Missile",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/DF-4_Dongfeng_4_Chinese_Intermediate-Range_Ballistic_Missile",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}