Topturn X5000 Compost Windrow Turner. The Topturn X5000 delivers consistent performance and optimal windrow pile sizing for any composting operation. Power. CAT C9 Tier 4 Final / 330 HP. Transport Dimensions: 17’11” x 8’4″ x 10’8″ (5.4 x 2.5 x 3.2 m) Weight: 36,000 lbs. Performance (dependent on material)