Hogg Engineering Hogg Engineering - Low Loaders SIB Services offers a full range of low loaders from basic low loaders through to tri axle fast tow full spec trailers. The Hogg Engineering low loaders are renowned for a high quality finish and attention to detail. Products Maxi Low Loader Full Beavertail Trailer Tri-ax Low Loader Midi Low Loader Low Loaders JPM Trailers Hogg Engineering Mark Hall Machinery Agricultural Trailers Low LoadersDump TrailersCattle / Sheep TrailersStandard Bale TrailersGrain / Silage TrailersFuel BowsersSlurry Nurse TanksOther