Nationwide Powered Stairclimber Hire... Cargo and Mobility Stairclimber Hire from AATGB. Hire a stairclimber from our extensive range of both Cargo and Mobility stair climber hire solutions with weight capacities from 140kg up to 400kg, the Vario-Max can uniquely handle both cargo and mobility passengers in one device. Hire terms are 7 days minimum hire. Your National Partner for Mobility Stairclimbers & Vacuum Posture Cushions.