Viewing Stacker Trucks » NSr Stand-On Stacker Specifications Model Capacity Height NS12R 1.2t 6.5m NS15R 1.5t 6.5m NS20R 2.0t 6.3m Features Description: Three elegant stand-on models form a natural compliment to Caterpillar's stacker truck offering. With capacities up to 2.0 tons, these models present a practical alternitive when long travel duties are expected. The lateral stabiliser legs provide added security and superior residual capacities for high stacking duties. The overall comfort, low step height and simple operationg systems make it a very friendly truck to operate.