Allen 21 Cu Ft Power Buggy with Polly Bucket and Foam Filled Tires- AR21PB-F-The sixteen cubic foot AR16 and the twenty-one cubic foot AR21 have earned their rank as the standard by which all power buggies are judged. Their massive two-inch thick solid steel tank-tough frames provide unparalleled strength and durability along with a lower center of gravity and ideal weight distribution. These buggies give excellent traction in real-world job site conditions. Drive components are protected by a removable steel shroud. This shroud is louvered to keep concrete out while providing proper ventilation and cooling to the engine compartment. The standard high-strength, high-density polyethylene bucket is the industry’s thickest and most durable. And standard features like heavy-duty hydraulic wheel motors,steel raceways for hydraulic hose protection and optional foam-filled tires ensure the AR16 and AR21 Power Buggies will operate for the duration under tough conditions.