"track-mounted" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "track",
        "3": "mounted"
      },
      "expansion": "track + mounted",
      "name": "compound"
    }
  ],
  "etymology_text": "track + mounted",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "track-mounted (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Due to the boggy conditions, they used a track-mounted excavator."
        }
      ],
      "glosses": [
        "Mounted on tracks; said, for example, of a tank, crane, or other self-propelled heavy vehicle."
      ],
      "id": "en-track-mounted-en-adj-weEXmrHq",
      "links": [
        [
          "track",
          "track"
        ],
        [
          "tank",
          "tank#English"
        ],
        [
          "crane",
          "crane#English"
        ],
        [
          "self-propelled",
          "self-propelled#English"
        ],
        [
          "vehicle",
          "vehicle#English"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "track-mounted"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "track",
        "3": "mounted"
      },
      "expansion": "track + mounted",
      "name": "compound"
    }
  ],
  "etymology_text": "track + mounted",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "track-mounted (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "text": "Due to the boggy conditions, they used a track-mounted excavator."
        }
      ],
      "glosses": [
        "Mounted on tracks; said, for example, of a tank, crane, or other self-propelled heavy vehicle."
      ],
      "links": [
        [
          "track",
          "track"
        ],
        [
          "tank",
          "tank#English"
        ],
        [
          "crane",
          "crane#English"
        ],
        [
          "self-propelled",
          "self-propelled#English"
        ],
        [
          "vehicle",
          "vehicle#English"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "track-mounted"
}