Husqvarna's two newest floor grinders — the PG 400 SF and the PG 280 SF — are designed for concrete polishing, surface prep and grinding of concrete adhesive residue, paint and spackle. The PG 400 SF is equipped with a 5.3 hp, 3-phase motor while the PG 280 SF features a 3 hp, 1-phase motor. Ergonomic features include newly designed handlebar and low noise level. The single grinding plate has multiple diamond tool attachment positions for optimal distribution while a wide range of grinding disks available. Both units can coupled with Husqvarna's DC 1400 dust collection unit.