{
  "id": "m1977",
  "name": "M1977",
  "aliases": [],
  "domain": "land",
  "country": "PRK",
  "category": "122mm self-propelled howitzer",
  "status": null,
  "fielded": 1977,
  "operators": [
    "PRK"
  ],
  "prolif_count": 1,
  "summary": "M1977 North Korean 122mm Self-Propelled Howitzer (SPH). Its actual designation is unknown.",
  "specs": [
    {
      "k": "",
      "label": "Chassis",
      "section": "mobility",
      "v": "The M1977 self-propelled howitzer is based on an M1973 armored personnel carrier chassis, which is sometimes referred as VT-323.",
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 8,
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Emplacement time",
      "section": "system",
      "v": "Under 3 minutes",
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 5.5,
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "width_m",
      "v": 2.9,
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "height_m",
      "v": 2.7,
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "combat_weight_t",
      "v": 16,
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "engine_name",
      "v": "Deutz BF8L413F",
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "engine_hp",
      "v": 320,
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "road_range_km",
      "v": 400,
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_road_kmh",
      "v": 60,
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_swim_kmh",
      "v": 5,
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Fording depth",
      "section": "mobility",
      "v": "Amphibious",
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Main Gun Stabilization",
      "section": "firecontrol",
      "v": "Yes, two large stabilizing spades are lowered to the ground at the rear.",
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Hull Armor",
      "section": "protection",
      "v": "The tracked chassis is lightly armored and has enclosed sides, but open top. It provides some degree of protection from small arms fire and artillery shell splinters. In traveling order the open top can be covered with bows and canvas cover",
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Active Protection System",
      "section": "protection",
      "v": "No, This artillery system has no defensive armament, except firearms of its crew members.",
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "label": "Secondary armament",
      "v": "There is no information available about the type of auxiliary Weapon Systems are mounted on the M1977.",
      "src": [
        "weg-m1977"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "Projectile",
      "role": "122 mm ammunition",
      "src": [
        "weg-m1977"
      ],
      "conf": "medium",
      "caps": {
        "Projectile weight": "14.08 - 21.76 kg",
        "Armor penetration": "A High-Explosive (HE) projectile penetrates a 180 mm steel armor plate."
      },
      "qty": "INA"
    }
  ],
  "variants": [],
  "art": "sph",
  "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/m1977.html",
  "sources": {
    "weg-m1977": {
      "title": "M1977 North Korean 122mm Self-Propelled Howitzer (SPH)",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/M1977_North_Korean_122mm_Self-Propelled_Howitzer",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}