MPC 3619 Heavy Duty Linear Actuator, 12V  DC,  8" Stroke, 770 lb. Max Load, Black Finish This heavy duty linear actuator is a powerful solution for lifting large loads. With a max static load of 770 lbs and 385 lb max dynamic load - 4" 12 volt DC linear actuator Specifications: 12 volt DC [electrical], 770 lb max [static load]; 385 lb max [dynamic load], [Speed]: 7mm/sec @ 50% Load - 8mm/sec @ no load, Current: 1 [Amp Draw] @ no load Automate: Solar Panels, Hatches, doors, spreaders, throttles, tonneau covers, motorized trunks, hoods, amp racks, dump beds, lifts Example Industrial or Commercial Applications: Solar Power, Farming equipment, road maintenance, construction work, military, yachts, ships, Oil platforms, trains, mining equipment, food industry.