The John Deere 450 780 Hydra-Push Manure Spreaders Service Technical Manual (TM1318) is a comprehensive guide for servicing and repairing John Deere 450 and 780 Hydra-Push Manure Spreaders. This manual provides detailed instructions and high-quality diagrams to help you perform maintenance and repairs with confidence. The manual is organized by system and covers a wide range of topics, including:

* **General Information:** Introduction and safety guidelines, general specifications, lubrication information, and serial number identification.
* **Beater Drive:** Operational checks, driveline repair, clutch repair, input shaft repair, drive sprockets and chain repair, beater side shaft repair, gear case repair, main beater repair, and upper beater repair.
* **Hydraulics:** Testing, secondary cylinder repair, primary cylinder repair, endgate cylinder repair, closed-center hydraulic control valve repair, and open-center hydraulic control valve repair.
* **Miscellaneous:** Wooden guides and wiper seal repair, wheels and axle repair, moving panel repair, sliding floor repair, endgate repair, and ERP panel repair.

This manual is an invaluable resource for anyone who owns or maintains a John Deere 450 or 780 Hydra-Push Manure Spreader. Whether you are a seasoned mechanic or a do-it-yourselfer, this manual will provide the information you need to keep your spreader running smoothly.

## A Powerful Force on the Farm: The John Deere 450 and 780 Hydra-Push Manure Spreaders

The John Deere 450 and 780 Hydra-Push Manure Spreaders represent a powerful and efficient solution for handling and spreading manure on farms of all sizes. These robust machines are built with durability and reliability in mind, featuring heavy-duty construction and a hydraulically driven spreading system that ensures consistent and uniform application across the field. The Hydra-Push system, unique to John Deere, utilizes a powerful hydraulic ram that pushes the manure through the spreading mechanism, ensuring an even and accurate application, even in challenging conditions. The 450 and 780 models offer different capacities, catering to varying farm needs. The 450, with a capacity of 14 cubic yards, is ideal for smaller operations, while the 780, with a 21-cubic-yard capacity, provides ample space for larger farms or those handling high volumes of manure.

Both models boast a number of features designed to enhance efficiency and reduce operator fatigue. The John Deere 450 and 780 Hydra-Push Manure Spreaders are equipped with a convenient low-maintenance design, minimizing downtime and ensuring reliable operation. Their user-friendly controls and intuitive design make operation straightforward and efficient, while the robust construction stands up to the rigors of demanding agricultural applications. The widespread availability of spare parts and the comprehensive technical manual (TM1318) further solidify the John Deere 450 and 780 Hydra-Push Manure Spreaders as reliable and long-lasting investments for farmers seeking to manage manure effectively and efficiently, contributing to sustainable and productive farming practices.