S250 Wheel Skidder Engine Model Cat C7.1 ACERT Gross Power 203 hp Fuel Tank Capacity 83.2 gal View Full Specs S350 Wheel Skidder Engine Model Cat C7.1 ACERT Gross Power 225 hp Fuel Tank Capacity 99.8 gal View Full Specs S450 Wheel Skidder Engine Model Cat C7.1 ACERT Gross Power 250 hp Fuel Tank Capacity 99.8 gal View Full Specs S550 Wheel Skidder Engine Model Cat® C7.1 ACERT Gross Power 275 hp Fuel Tank Capacity 99.8 gal View Full Specs