The optional 190 lb. selectorized Weight Stack, purchased separately as an Add-On, Can Bring the Weight Resistance Capacity to 500 lbs.
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.
Maximum weight capacity for one side is 250lbs and for both sides in use at the same time, it is 125lbs.