The Cat C4.4 engine on the three new models in the F Series — the 416F, 420F and 430F — upgrades power while staying up to Tier 4 Interim emissions standards features the Cat NOx Reduction System and a diesel particulate filter (DPF) for improved emissions control, bringing it to Tier 4 Interim standards. Concurrently, horsepower has stayed the same or even increased. The loader sports new lift arms for increased maximum hinge-pin height, dump height, bucket breakout force and lift capacity. Cat Product Link is available for remote diagnostic capabilities.