Добриня МТ

Purpose and Class of Equipment

The "Dobrynya MT" walk-behind tractor belongs to the class of heavy agricultural machinery designed for a full range of soil cultivation tasks on plots ranging from 0.5 to 2 hectares. The unit is built on a sturdy frame construction with a horizontal single-cylinder diesel engine, which provides high torque at low RPMs—a critical factor for plowing dense soils and operating heavy attachments.

Engine and Transmission

The heart of the machine is a four-stroke diesel engine with water cooling (models like R180, R190, or R195 depending on the version). The engine displacement ranges from 402 to 573 cm³, with a power output between 8 and 12 horsepower. The radiator-type water cooling system allows for long-term operation under maximum loads during hot weather without the risk of overheating. The transmission is equipped with a gear-driven reducer and a multi-plate clutch, providing 6 forward and 2 reverse gears, allowing for precise speed adjustment for specific agricultural operations.

Drive and Chassis

The drive is implemented via a V-belt system, which acts as a safety clutch: if the tiller or plow stops suddenly, the belts slip, protecting the engine and gearbox from damage. The chassis features large-diameter pneumatic tires with an aggressive tread pattern, ensuring reliable traction even on wet soil. The presence of a differential lock on many MT series models significantly simplifies maneuvering the heavy machine in tight areas.

Hydraulics and Attachment

An important feature of the "Dobrynya MT" is the inclusion of a full power take-off shaft (PTO) and a reinforced hitch. Most models come with an active rotary tiller, which is rear-mounted and driven via a chain transmission. The powerful hydraulic system with a single-acting cylinder allows for effective control of various attachments, including plows, ridgers, potato diggers, and sickle bar mowers. The adjustable track width allows the equipment to be adapted for row spacing of various crops.

Applications in Agricultural Operations

The machinery demonstrates high efficiency in deep plowing of virgin soil, inter-row cultivation, seeding with grain seeders, and harvesting root crops. Due to its weight of 200-250 kg (depending on configuration), the walk-behind tractor holds the furrow steadily when plowing with heavy implements without requiring additional ballast. The high ground clearance allows for operation with tall crops without damaging the plants.

Maintenance and Reliability

The design of the "Dobrynya MT" is highly standardized and simple, facilitating DIY maintenance. The diesel engine has a service life of up to 3000-4000 operating hours with timely oil changes and air filter cleaning. The oil-bath air filter effectively protects the piston group in dusty conditions. The wide availability of spare parts makes this walk-behind tractor economically viable for long-term use.

Target Audience

The walk-behind tractor is the optimal choice for farmers, owners of large homesteads, and small-scale plant producers. If your task is the mechanization of manual labor on plots where using a full-sized tractor is economically unjustifiable or physically impossible due to dimensions, the "Dobrynya MT" serves as a reliable tool for professional-grade work.