GET /truck_brands/2/models/64/engine_manufacturers/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 2,
    "next": null,
    "previous": null,
    "results": [
        {
            "id": 2,
            "name": "Cummins",
            "website": "http://locator.cummins.com/GlobalLocator/homeScreen.action?request_locale=en_US"
        },
        {
            "id": 5,
            "name": "International",
            "website": ""
        }
    ]
}