GET /truck_brands/2/models/101/engine_displacements/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 2,
    "next": null,
    "previous": null,
    "results": [
        {
            "id": 59,
            "name": "International/Navistar DT530 Diesel"
        },
        {
            "id": 60,
            "name": "International/Navistar HT570 Diesel"
        }
    ]
}