The Streamline Functional Trainer has a ratio of 2:1 if only one side is being used. If both sides are used at the same time, then the weight ratio is 4:1.  (see 'WEIGHT STACK SET 190 LBS' product page thumbnail for installment instructions). Click weight stack image to add to cart at discounted price (when purchased with Lat Machine)

Maximum weight capacity for one side is 250lbs and for both sides in use at the same time, it is 125lbs.