The dr tr4 pro manual start wheeled strimmer with briggs stratton 725 exi quantum engine is supported on 2 large rear wheels so there's no strain on the operators back, arms, neck or shoulders. The large 14 inch wheels carry the strimmer over uneven terrain and up hills with ease. The front mounted mow ball support manoeuvres the tr4 pro 7.25 in any direction and quickly takes care of any trimming job.the dr tr4 pro 7.25 is ideally suited for trimming and mowing larger areas. Heavy duty 14 gauge steel frame, cast aluminium bumper and 14 inch resin wheels provide the utmost in rugged, time tested durability.the dr pro 7.25 tr4 features a 22 inch cutting width with 5 adjustable mowing heights between 1 to 3 inches. Changing the nylon cord is simple and can be done in seconds without the use of tools.featuresadjustable trimming heightfrom 1.5 inch to about 3.5 inch is simple, convenient, and takes only seconds to match to your lawn mowers cutting height. 5 different cutting height adjustments.cast aluminium bumperthe new wrap around cast aluminium front bumper is designed to provide extra strength for the frame and protects the bearing housing from damage.patented cord attachment systemwith the dr strimmers you can attach new cord in moments without using any tools. The wide bodied design of the pro 7.25 prevents vegetation from wrapping or tangling around the trimming head, even in tall grass.specificationsengine briggs stratton 725 exifuel tank capacity 1.1 litrecylinder singlestarter manual recoilcutting width 22 inchcutting heights 5 adjustable from 1ﾽ to 3ﾽ inches.frame 14 gauge steelwheels 14 inch resinvibration 4.6m shandlebars ergonomicweight 28kgmanufacturer's 2 year domestic warrantya bottle of engine oil is included with this dr trimmer