TRU-Balance® 3 HD Power Positioning Systems offer the same quality and performance as TRU-Balance® 3 Power Positioning Systems, but with increased weight capacities and expanded seating sizes. Configurations with a 450 lbs. weight capacity include HD power tilt, HD power recline, and static seating. In addition, iLevel® 10” power adjustable seat lift is available with a 400-lb. weight capacity on the Q6 Edge® HD Power Chair, and 10” power adjustable safe seat elevation is available with a 400-lb. weight capacity on the 4Front® 2 HD.