Driving impression: McConnel PA600 hedge and verge cutter The 85hp PA600 comes with the largest hydraulic pump yet offered on a Power Arm and, as such, sits on its own in the McConnel line-up. Stronger than the PA55, PA60 and PA65T series from the range below – but with a potential for higher output than the PA5600 and PA6400 series above – the linkageor axle-mounted PA600 fills a niche, says James de Havilland