{
  "id": "type-073iiy",
  "name": "Type 073IIY Class (Yudao Class)",
  "aliases": [],
  "domain": "naval",
  "country": "CHN",
  "category": "Landing ship",
  "status": null,
  "fielded": 1985,
  "operators": [
    "CHN"
  ],
  "prolif_count": 1,
  "summary": "As the mass production plan for Type 073II was canceled due to the reliability problem of its engine, Shipyard # 9308 begun to modify the remaining two units that were already being built, which was successfully completed in September 1985. The resulting type is Type 073IIY landing ship, with Y for Yun (运), meaning transport in Chinese.",
  "specs": [
    {
      "k": "crew",
      "v": 106,
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 79,
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium"
    },
    {
      "k": "beam_m",
      "v": 10.5,
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Draft",
      "section": "dims",
      "v": "2.5 m",
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium"
    },
    {
      "k": "displacement_t",
      "v": 1100,
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium",
      "label": "Displacement (full load)"
    },
    {
      "k": "propulsion",
      "v": "2 × D-39",
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Engine power",
      "section": "mobility",
      "v": "2,169.2 hp",
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium"
    },
    {
      "k": "range_km",
      "v": 1852,
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium",
      "note": "1,000 nmi (1,900 km; 1,200 mi)"
    },
    {
      "k": "speed_kt",
      "v": 16,
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Endurance",
      "section": "mobility",
      "v": "7 Days",
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "Type 61",
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "Type 61",
      "role": "Naval Gun",
      "src": [
        "weg-type-073iiy"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Naval Gun",
        "Caliber": "37 mm"
      },
      "qty": "2 × Type 61 twin 37 mm AAA"
    }
  ],
  "variants": [
    {
      "name": "Type 073 Yudao-class landing ship",
      "text": "Requirement of the Type 073-class landing ship was finalized in May 1965, and design work by Shanghai-based 708th Research Institute completed just 4 months later in September 1965.",
      "src": [
        "weg-type-073iiy"
      ]
    },
    {
      "name": "Type 073II Yudao-class landing ship",
      "text": "Shortcomings of Type 073I exposed in trials caused a crush program to rework and redesign at Dalian Shipyard, but due to political turmoil in China at the time, it was not sufficient to correct the problem completely.",
      "src": [
        "weg-type-073iiy"
      ]
    },
    {
      "name": "Type 073IIY Yudao-class landing ship",
      "text": "As the mass production plan for Type 073II was cancelled due to reliability problem of its engine, Shipyard # 9308 begun to modify the remaining two units that were already being built, which was successfully completed in September 1985.",
      "src": [
        "weg-type-073iiy"
      ]
    },
    {
      "name": "Type 073III Yudeng-class landing ship",
      "text": "The reliability problem of the engine of Type 073 series was not completely solved until the appearance of Type 073III landing ship, with NATO reporting name Yudeng-class.",
      "src": [
        "weg-type-073iiy"
      ]
    },
    {
      "name": "Type 073A Yunshu-class landing ship",
      "text": "After the completion of the first unit (pennant # 990), it takes a decade for more units to follow, and 10 more entered service between 2001 through 2002.",
      "src": [
        "weg-type-073iiy"
      ]
    }
  ],
  "art": "destroyer",
  "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/type-073iiy.html",
  "sources": {
    "weg-type-073iiy": {
      "title": "Type 073IIY Class (Yudao Class) Chinese Landing Ship",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Type_073IIY_Class_Yudao_Class_Chinese_Landing_Ship",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}