This comprehensive instruction manual for the Volvo BM 620 & 640 tractors provides detailed information on their design, operation, and maintenance. The manual, written in Swedish, offers a thorough understanding of these tractor models, covering all essential service and maintenance procedures specific to them. The manual includes detailed descriptions of the construction and functionality of the tractors, along with step-by-step instructions for carrying out crucial service and maintenance tasks. This invaluable resource is essential for anyone who owns or operates a Volvo BM 620 & 640 tractor, ensuring optimal performance and longevity.

The Volvo BM 620 and 640 were popular tractor models produced by the Swedish manufacturer Volvo BM during the 1970s and 1980s. These tractors were known for their robust construction, powerful engines, and reliable performance, making them well-suited for a wide range of agricultural and forestry applications. The 620 and 640 were both equipped with a four-cylinder diesel engine, providing ample power for tasks like plowing, harrowing, cultivating, and hauling. The 620 model had a 60 horsepower engine, while the 640 boasted a slightly more powerful 70 horsepower engine. Both tractors featured a four-wheel drive system, ensuring excellent traction and maneuverability even in challenging terrain. The well-designed hydraulic system allowed for the operation of various implements, including plows, cultivators, loaders, and other attachments. The driver's cab was spacious and comfortable, offering good visibility and ergonomic controls for operator convenience. The Volvo BM 620 and 640 tractors were highly regarded for their durability and ease of maintenance. The robust construction and high-quality components ensured a long service life, while the simple design made routine maintenance tasks straightforward. These tractors were known for their reliability and performance, making them a popular choice for farmers and foresters seeking a dependable and efficient workhorse. Although production of these models ceased in the late 1980s, they remain in use today, demonstrating their enduring legacy. The Volvo BM 620 and 640 are a testament to the company's commitment to engineering excellence and their enduring contribution to the agricultural and forestry sectors. Even today, these tractors are often sought after by collectors and enthusiasts who appreciate their classic design and proven performance.