The Hightex 74420-25 is a double needle long arm flatbed walking foot sewing machine with a large vertically mounted hook & base for use with medium to heavy weight materials.
The long sewing machine arm allows up-to 635mm* clearance to the right of the needle, which is around 2.5 times bigger than a standard machine arm.

The solid long arm is factory cast and offers greater strength & stability when compared to a cut and piece extended arm.

It features a triple feeding action by way of: bottom feed, needle feed and walking foot top feed and is fitted with a large vertically mounted hook & base for use with medium to heavy weight materials.
Sewing applications: Large covers, upholstery panels, car trimmings, inflatable products, bouncy castles, awnings, tents, parachutes, gliders, hot air balloons, sails, lorry curtain sidings, top stitching leather etc, + many other large items.

http://www.cowboysew.com/product5.htm