Caterpillar claims increased performance and capabilities for its latest Series small wheeled loaders. These machines, the 926M, 930M and 938M, are Tier 4 Final/ Stage IV compliant. Meanwhile the firm has also upgraded its K Series models, the 924K, 930K and 938K. All of these units benefit from standard and optional features that are claimed to boost productivity, improve operating ease and increase uptime reliability.