Kato Works continues to position the HD820-R5 as the anchor of its large hydraulic excavator lineup - a 20,450 kg operating-weight machine powered by a turbocharged diesel engine delivering 113 kW (152 hp) of output at 2,000 min?¹, paired with a bucket capacity spanning 0.8-to-1.0 m³ and a hydraulic system with a flow capacity of approximately 121.6 gpm. The HD820-R5 is designed for general earthmoving, mass excavation, and infrastructure work where bucket capacity, dig force, and structural durability determine production economics - and where the machine must sustain high productivity across continuous load-and-carry cycles in demanding job-site environments.
The machine's defining engineering feature is its "three boom/stick configuration options" - Kato's approach that allows the excavator to be configured with different boom and stick combinations to match the specific working envelope each application requires. The HD820-R5 can be equipped with a 5,630 mm boom paired with a 2,430 mm stick for standard digging work, a 5,630 mm boom paired with a 2,930 mm stick for extended-reach trenching, or a 5,630 mm boom paired with a 3,920 mm stick for long-reach applications requiring maximum digging depth and vertical-wall digging capability - allowing contractors to optimize the machine's working envelope for each project without requiring multiple specialized excavators.
The HD820-R5's structural architecture reflects Kato's documented commitment to durability in demanding applications - with a heavy-duty reinforced undercarriage suited to abrasive ground conditions, large high-strength steel castings in high-stress boom and stick linkages, and a heavy-duty swing-bearing seal that extends slew-bearing life in dusty job sites. Combined with Kato's established global dealer and parts network across Asia, North America, and Europe - and the manufacturer's documented reputation for producing excavators that remain in productive service across multi-decade service lives - the HD820-R5 positions itself as a direct competitor to the Komatsu PC210, Caterpillar 320, Hitachi ZX210, Volvo EC220E, and JCB 220X in the global 20-ton excavator segment.
