John Deere 425, 445, 455 Lawn and Garden Tractors Technical Manual

Technical reference for the John Deere 425, 445, and 455 Lawn and Garden Tractors. Covers detailed engine specifications, repair procedures, and troubleshooting. PN TM1517

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Document Details

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Document Number / Seller:
27453 / Mary Lewis
File Size:
48.38 MB
File Type:
PDF
Language:
English
Pages:
800
Printable:
Yes
Category:
Lawn and Garden Tractor
Last updated / verified
Oct 27, 2025

Models Covered & Key Technical Specifications

John Deere 425, 445, 455 (1992-2000) (TM1517)

This technical manual provides detailed coverage for John Deere 425, 445, and 455 Lawn and Garden Tractors. It is a comprehensive reference volume.

  • System Overview: Engine specifications provide critical operating parameter data.
  • Core Functionality: For essential component diagnostics, 12V DC power supplies the main control unit.
  • Specific Testing: Critical diagnostic procedures establish baseline operational thresholds.
  • Technical Specifications: The system volume defines optimal operational ranges.
  • Universal Operation: Climate specs support environmental limit framework parameters.
  • Technical Diagnostics: Benchmarks are calibrated to measure performance thresholds.

Professional Workshop Service Manual & Technical Specifications

Enhanced Field Reference Manual: John Deere 425, 445, 455 (1992-2000) Engine-Compendium

Subsystem-Focus: Engine // Operational-Framework: Lawn and Garden Tractor / FD620D Logic // Subsystem-Focus: Technical-Details

Specifications

Performance-Element Diagnostic-Logic Logic
Engine Specification Compression Pressure 2448 kPa (355 psi)
Cooling System Opening Pressure 83–96 kPa (12–14 psi)
Fan Drive Belt Deflection 10–15 mm (0.4–0.6 in.)
Fuel Pump Minimum Flow 450 mL (15 oz)/15 seconds
Ignition System Starter Draw 30 amps

Technical chapters are organized around engine systems and repair procedures. This manual details diagnostic checks, adjustments, and comprehensive repair information for the John Deere 425, 445, and 455 Lawn and Garden Tractors, specifically focusing on the FD620 engine.

Installation guidelines are provided for engine and component removal/installation procedures.

Maintenance guidelines are included for all major engine systems, including fuel, lubrication, and cooling.

OEM guidelines are included for critical adjustments and specifications.

Transmission service information covers hydrostatic power train and gear case maintenance.

HVAC system procedures are included for system checks and component replacements.

This manual documents torque specifications for various components to ensure proper mating surface contact.

FAQ

Assess the **critical** calibration settings for the engine. keyboard_arrow_down

1171 kPa (170 psi) is the minimum compression pressure specified for the engine.

What components **required** clearance measurements are detailed? keyboard_arrow_down

0.05 mm (0.002 in.) is the maximum cylinder head distortion allowed before replacement is recommended.

Confirm the **specified** torque specifications for engine mounting. keyboard_arrow_down

80 N•m (60 lb-ft) is the specified torque for the engine mounting hardware.

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Reviews (4)

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I had a question regarding my download and the support team responded within minutes. Very impressed!
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This manual is incredibly detailed and has helped me troubleshoot issues effectively. Highly recommend!
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The wiring diagrams are particularly helpful. I received my download link promptly, making the whole process smooth!
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The manual is comprehensive, but more illustrations would be beneficial. Overall a solid purchase!