The 4820R is powered by a TYM 4-cylinder diesel engine that is designed for high fuel efficiency and quiet operation. As an "R" model, it features a 16x16 Synchro-Shuttle transmission, offering 4 ranges with 4 speeds each. This mechanical setup provides a wide array of working speeds for specific tasks—from slow-speed tilling to high-speed road travel—while the shuttle lever allows for fast, directional transitions without the need for constant gear shifting.

Strength is the defining characteristic of the 4820R. It boasts a best-in-class hitch lift capacity of 3,306 lbs, allowing it to manage heavy rear implements like 6-foot rotary cutters or large round bale spears. When paired with the BL200 front-end loader, the tractor can lift 2,701 lbs at the pivot pins, making it one of the most capable loader platforms in the sub-50 hp category. The integrated joystick and dual-gear hydraulic pump ensure that these heavy loads are handled with smooth, responsive control.

Operator comfort is prioritized through a spacious open station with a flat floor and a deluxe suspension seat. Standard features include a tilt steering wheel, a water-separating fuel filter for engine longevity, and an electronic-over-hydraulic PTO switch. With a 52-degree turning angle, the 4820R remains agile in tight barnyards or wooded trails, providing the maneuverability of a smaller tractor with the footprint and stability of a mid-size utility machine.