This manual provides comprehensive guidance for the R380 manual gearbox, a robust 5-speed transmission integral to several iconic Land Rover models. Introduced in the mid-1990s, the R380 replaced earlier manual gearboxes, offering enhanced durability and shift quality suitable for a range of powerful engines, including V8 petrol and turbodiesel variants. It was factory-fitted to models such as the New Range Rover, Range Rover Classic (from 1995), Discovery (from 1995), Defender (from 1995), and Discovery 2. The R380 is renowned for its heavy-duty construction, making it a reliable component for off-road capability and demanding driving conditions, contributing to Land Rover's legacy of ruggedness and adventure.

The purpose of this English-language overhaul manual is to detail the complete disassembly, inspection, repair, and reassembly of the R380 gearbox. It covers essential procedures including component replacement, lubrication, and adjustments, along with guidance on gearbox removal and installation. The manual also addresses common issues and provides troubleshooting steps for diagnosing faults related to gearbox operation. It is an indispensable resource for independent repair shops, Land Rover specialists, and experienced DIY mechanics seeking to maintain the mechanical integrity and performance of their vehicles, offering in-depth, manufacturer-specific technical data critical for accurate and efficient servicing.