An average silver back can deadlift 1800 1k and their grip can crush a crocodile's skull They are 4 to 9 times stronger than an average human male.     The world record deadliﬂ is 1.014lbs by thor bjomsson who has been lifting for 10 years meaning the average sllverback can lift nearly twice as much as the heaviest deadlift. The average man can deadliﬂ 155lbs. so if a silverback was to train for 10 years it could deadlift around 11,775lbs.