Bluebird stump grinders are designed for quick and safe removal of stumps. The SG1114 has an 13-hp Honda engine and the SG1314 has a 13-hp Honda engine. Both have cyclone air filters, Noram automatic centrifugal clutches and Hayes brake calipers. The adjustable handle with four height adjustment positions enables the user to adjust the angle of the handle to maintain a comfortable and safe stance. The compact design offers clean sight lines and maneuverability in tight spaces. Handles on each side of the unit allow two people to lift the grinder. Bluebird stump grinders can fit through gates into backyards that towable units cannot reach.