Weighing 45,765 pounds, the 815F soil compactor features a new engine and serviceability improvements. A 240-net-hp Cat 3176C engine meets Tier 2/Stage II emissions requirements and has the Cat Advanced Diesel Engine Module. Tamping wheels and tips are designed as a system to enhance performance. The wheel is designed for four-wheel-width coverage in two passes with front/rear wheel tracking that eliminates gaps and overlaps.