International Harvester 454, 464, 484, 574, 584 & 674 Shop Manual

International Harvester 454–674 Series Technical Manual | Diagrams & Reference Specs

• Covers the International Harvester 454, 464, 484, 574, 584, and 674 tractor series, detailing both gasoline and diesel powertrains
• Features 59 pages of exploded-view diagrams, technical data tables, and electrical schematics
• Delivered as an instant download directly to your device immediately after checkout
• Fully searchable PDF format lets you locate exact part numbers or repair specs in seconds
• Print-ready layout tailored for standard Letter and A4 shop paper
• Secures your access with a permanent account library—no need to repurchase if you ever lose the file

Mechanical and Hydraulic Systems

This manual breaks down the engine and powertrain architecture for the IH 454–674 tractor lineup. Coverage spans straight from the front axle back through the transmission and differential. You get specialized sections dedicated to hydrostatic steering and power take-off (PTO) assemblies. The text provides detailed overviews to support the overall repair process for components like the hydraulic lift housing, engine balancer units, and complex diesel fuel injection systems. Please ensure all shop safety protocols, including the use of certified jack stands and heavy lifting gear, are strictly followed before starting any mechanical teardown based on these schematics.

Critical Shop Specifications

Quick access to accurate specs makes a difference on the shop floor. This document delivers the exact tables needed for proper engine assembly and fluid management. For instance, valve tappet gaps for the gasoline 454 are documented at 0.027 inches. If you are servicing fluid systems, the coolant capacity for the 484 diesel engine holds exactly 12.5 quarts, while the 584 hydraulic pump puts out a 12.5 GPM flow rate. You will also find comprehensive torque data. Rod bolt torque values range from 43 to 61 ft-lbs depending on your specific engine block. Additional electrical system data covers both Delco-Remy and Lucas alternators to round out your diagnostic reference material.