Heavy-gauge, all-steel, all-welded and fabricated 1.5˝ x 3˝ frame rail provides the backbone for years of durable service. Patented Dual Deck Support Isolators, with deck wear pad, helps minimize damage from side impacts. The sloped 1/4˝ deck with reinforced 3/8˝ sides features Deck Idler Arm and Spring with bearings for consistent tension and cutting speed. The PEER maintenance-free, internally lubricated spindles are made from strong ductile iron.