John Deere STX30 STX38 STX46 Lawn Tractors Technical Service Manual TM1561

This detailed service manual provides comprehensive repair information for John Deere STX30, STX38, and STX46 lawn tractors. Includes maintenance procedures, troubleshooting, and specifications for engines and drive systems.

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Document Details

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Document Number / Seller:
30029 / Walter Martin
File Size:
40.21 MB
File Type:
PDF
Language:
English
Pages:
314
Printable:
Yes
Category:
Lawn and Garden Tractor
Last updated / verified
Dec 30, 2025

Models Covered & Key Technical Specifications

John Deere STX30, STX38, STX46 (TM1561) Technical Service Manual - Detailed Repair & Maintenance Guide

Repair guide for John Deere STX30, STX38, and STX46 lawn tractors | Series John Deere Lawn Tractors | Container Service Manual

  • Approved Engine Specifications: Kohler Command LT provides the standard engine configuration.
  • Factory Power Output Data: 9.33 kW (12.5 hp) is the standard power output rating for the CV12.5-1270 engine.
  • Primary Fuel System Components: Unleaded gasoline with an octane rating of 87 or higher is recommended for optimal operation.
  • General Electrical Specifications: The charging system utilizes a Flywheel/Electronic Magneto, providing a regulated 15 amp charging capacity.
  • Essential Lubrication Details: Unirex® N3 Grease is specified for input shaft needle bearings to ensure proper lubrication.
  • Operational Power Train Components: The Dana 5-Speed transaxle provides five forward speeds and one reverse, with a rear differential bevel gear specification of 15 teeth.

Professional Workshop Service Manual & Technical Specifications

Detailed Repair Diagnostic Manual: Lawn and Garden Tractor John Deere STX30 STX38 STX46 Technical Service Manual TM1561 - Detailed Repair & Maintenance Guide for Gear & Hydrostatic Drive Lawn Tractors (1988-1997) Manual-Nexus

Validation-Data: Engine Specifications // Design-Core: Power Train & Electrical Systems // Technical-Scope: Comprehensive Repair Procedures.

Integrated-Framework System-Path Calibration-Standards
Engine Specifications Fuel & Air Systems Torque Specifications
Electrical Systems Ignition System Battery & Charging Systems
Power Train Systems Traction Drive System Brake System

Repair data is categorized into sections covering general specifications, engine, fuel and air systems, electrical systems, power train, and troubleshooting. This manual thoroughly documents component locations, theory of operation, and detailed repair procedures for all major systems. It includes essential diagnostic information and adjustment specifications to ensure optimal performance and longevity of your John Deere tractor. Engine rebuild instructions should be followed closely to determine if special requirements are necessary.

The manual documents torque specifications for various components to ensure proper vibration dampening.

FAQ

What is the **required** fluid capacity for the transaxle? keyboard_arrow_down

1.6 L (3.4 pt) is the specified capacity for the transaxle reservoir.

Calculate the **specified** fuel tank capacity. keyboard_arrow_down

4.7 L (1.25 gal) is the specified fuel tank capacity for all models.

What **essential** adjustment procedures are covered for the ignition system? keyboard_arrow_down

0.25 mm (0.01 in.) is the specified air gap for the ignition module, crucial for proper ignition timing.

Assess the **correct** tire pressure specifications. keyboard_arrow_down

83 kPa (12 psi) is the correct tire pressure for the front wheels when equipped with a mower deck.

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Reviews (4)

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Highly recommend this manual! It made my repairs much simpler. The layout is user-friendly, making navigation a breeze.
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This manual covers everything you need to know about the STX series. The troubleshooting diagrams are especially helpful!
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As a professional, I found this manual to be incredibly detailed and precise. The download was quick and easy, and the support team was very responsive to my questions.
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New
This manual provides all the technical insights needed for maintaining STX tractors. The customer service was fantastic, with a quick response time when I needed assistance.