This comprehensive workshop repair manual provides detailed instructions and specifications for servicing and repairing JCB 446 and 456 wheeled loading shovels. The manual covers a wide range of topics, including general information, safety procedures, routine maintenance, attachment operation, body and framework components, electrical systems, hydraulic systems, transmission, brakes, steering, and engine systems. It includes comprehensive wiring diagrams and hydraulic schematics to assist technicians in diagnosing and resolving issues. This thorough guide is an essential resource for anyone involved in maintaining and repairing JCB 446 and 456 loaders.

The JCB 446 and 456 are robust and versatile wheeled loading shovels designed for a wide range of applications in the construction, quarrying, and material handling industries. These machines are renowned for their performance, durability, and operator comfort. The JCB 446 boasts a powerful engine and a spacious operator cab, providing a comfortable working environment. Its compact size and maneuverability make it ideal for working in confined spaces. The JCB 456, on the other hand, is a larger and more powerful model, designed for heavier-duty applications. It features a high lifting capacity and a strong breakout force, allowing it to handle large loads with ease. Both models offer a wide range of attachments, including buckets, forks, and grapples, allowing them to adapt to various tasks. The JCB 446 and 456 wheel loaders are equipped with advanced features that enhance their efficiency and productivity. These include: * **Powerful Engines:** Both models are powered by robust engines that deliver exceptional power and torque, enabling them to handle demanding tasks with ease. * **Hydrostatic Transmission:** The hydrostatic transmission provides smooth and precise control, allowing for easy operation and maneuverability. * **Automatic Shift System:** The automatic shift system optimizes engine speed and transmission settings for maximum efficiency and fuel economy. * **Safety Features:** The JCB 446 and 456 prioritize operator safety through features like a robust ROPS/FOPS cab, emergency stop buttons, and clear visibility. * **Comfortable Operator Cab:** The spacious operator cabs offer ergonomic controls, comfortable seating, and excellent visibility, reducing operator fatigue and improving productivity. * **Easy Maintenance:** JCB has designed the 446 and 456 with easy access to key components for routine maintenance and repair, minimizing downtime. With their powerful performance, durability, and operator comfort, the JCB 446 and 456 are reliable and efficient machines that can handle a wide variety of tasks in demanding environments.