Stump Grinder - 25HP Product Description Quality Stump Grinders for Hire. The central pivot provides a 1.22m swing which reduces fatigue on the operator by more than 40% and also makes the job much quicker. The narrow access design ensures you can access those narrow paths. Damage to cutting teeth with incur additional charges. Cutting Height - 500mm Swing - 1220mm Petrol - Fuel used must be replaced. Trailer included in hire.