John Deere JD401-C Loader & Backhoe Loader 1973-1979 Service Manual

This comprehensive technical manual provides detailed repair and maintenance information for the John Deere JD401-C Loader and Backhoe Loader, covering all systems. Part number TM1092.

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Document Details

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Document Number / Seller:
28803 / Peter Rogers
File Size:
78.74 MB
File Type:
PDF
Language:
English
Pages:
550
Printable:
Yes
Category:
Backhoe Loader
Last updated / verified
Jan 8, 2026

Models Covered & Key Technical Specifications

John Deere JD401-C Loader & Backhoe Loader (TM-1092) - 1973-1979

This technical manual provides a comprehensive overview of the JD401-C Loader & Backhoe Loader.

  • Prescribed Processing Speed: 2,500 RPM establishes the maximum engine output Architecture.
  • Documented Mass Specs: For optimal operation, 7,840 lb (3,556 kg) defines the operating weight Framework.
  • Core Displacement Rating: 219 cu. in. -- signifies the total engine displacement Threshold.
  • Rated Power Specs: The engine requires 62 Net hp for standard operation Logic.
  • Technical Torque Specs: The transmission requires 8 Forward / 8 Reverse for full operation Parameters.
  • Advanced Drive System: The clutch assembly controls 8 Forward / 8 Reverse Capabilities.

Professional Workshop Service Manual & Technical Specifications

John Deere JD401-C Loader & Backhoe Loader Technical Manual: JD401-C Loader and Backhoe Loader (TM-1092) – 1973-1979 – Comprehensive Diagnostics & Repair Guide

Assembly-Group: 1973-1979 Loader and Backhoe Loader / Operational-Framework: Power Train / Transmission Logic / Validation-Data: 550 Pages.

Table

Specification Parameters Logic
Engine John Deere 4-Cylinder Diesel Cooling System
Displacement 219 cu. in. (3,588 cm³) Transmission
Power 62 Net hp (46.2 kW) @ 2,500 Rated RPM Gear System
Drive System Constant Mesh Hydraulic Reverser
Speeds 8 Forward / 8 Reverse Directional Logic
Hydraulic System Closed-Center Max Pressure

Documentation sections include:

  • Introduction
  • General Machine Specifications
  • Preelivery, Delivery, and After-Sale Services
  • Engine
  • Electrical System

This manual thoroughly documents the mechanical, electrical, and hydraulic systems of the John Deere JD401-C Loader and Backhoe Loader. It provides in-depth coverage of maintenance procedures, diagnostic steps, and repair instructions for all major components. The document details specifications for engine operation, transmission, hydraulics, and electrical systems. It includes a comprehensive table of specifications, a table of contents, and detailed prose sections covering various systems and procedures. The manual also references relevant torque specifications to ensure proper bearing preload accuracy for critical components.

FAQ

What is the **required** fluid capacity requirements for the engine lubrication? keyboard_arrow_down

9 qt (8.5 L) is the required engine lubrication capacity for the John Deere JD401-C Loader and Backhoe Loader.

Calculate the **specified** component identification for the hydraulic system. keyboard_arrow_down

The specified component for the hydraulic system is a Closed-Center hydraulic system, operating at 2350 psi (16,203 kPa) maximum pressure.

What values **essential** for the engine drive system? keyboard_arrow_down

The essential values for the engine drive system include a Constant Mesh drive system with 8 Forward / 8 Reverse speeds and Hydraulic Reverser (No-Clutch) directional logic.

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Reviews (4)

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Rated 4 out of 5 stars
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Had a question about the manual and received quick support via email. Very helpful and professional service!
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This manual is a must-have for anyone working on the JD401-C. The detailed specifications and maintenance procedures are top-notch!
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I received the download link promptly via email. The process was hassle-free and the manual is incredibly detailed. Highly recommend!