The Volvo BM 400 Buster is a utility tractor designed for agricultural and light industrial applications, known for its straightforward mechanics, reliability, and durability. Produced during the 1970s or early 1980s in Sweden, this model was engineered for ease of operation and versatility, making it a dependable choice for small to medium-sized farms and horticultural businesses. Its robust construction and straightforward design, characteristic of Volvo BM's long heritage in producing quality machinery, ensured its place in a competitive market.

This Instruktionsbok (Instruction Manual) provides essential guidance for the safe and efficient operation, care, and basic maintenance of the Volvo BM 400 Buster. It covers construction and function descriptions, operator controls, pre-operation checks, daily maintenance, lubrication schedules, fluid checks and top-ups, filter replacements, and safe operation guidelines. The manual also includes basic troubleshooting for common operational issues and an overview of key systems such as the engine, drivetrain, hydraulics, steering, braking, and electrical system. This document is intended to help owners and operators maintain the longevity and performance of their tractor.