Independent control of each landing gear leg assists in leveling the vehicle. Bulldog Fifth Wheel RV Landing Gear System includes 2 output motors preassembled to jacks, 2 switches & panel, wiring harness, mounting hardware, and spring loaded drop leg pins Marine Jack 5th Wheel RV Landing Gear - 10,000# - RES 500161 | Southwest Wheel Bulldog Fifth Wheel Landing Gear Fifth wheel RV owners, this Fulton Bulldog landing gear system is the gold standard for reliable trailer support! Since 1919, Bulldog has been manufacturing the most trusted products in the trailer industry, and this landing gear system continues that legacy of rugged performance Bulldog Dual Power RV Trailer Jack part # 500161 is a dual output RV landing gear system featuring the Bulldog dual output power drive. DIY Dual Drive 8 Inch Wheel 250w 24v Electric Mobile Cargo Tricycle Bulldog Fifth Wheel RV Landing Gear System includes 2 output motors preassembled to jacks, 2 switches & panel, wiring harness, mounting hardware, and spring loaded drop leg pins.