This manual covers parts information for the Perkins 400S and 404D-22T engine models. These engines are designed for robust performance and reliability, suitable for a range of demanding applications. Their engineering prioritizes durability and efficient operation, making them a trusted choice in their respective industries.

This document serves as a comprehensive resource for identifying and ordering replacement parts for your Perkins 400S and 404D-22T engines. It details various components, assemblies, and their corresponding part numbers, facilitating accurate maintenance and repair. Utilizing this manual will ensure the correct parts are selected, contributing to the longevity and optimal performance of your engine.