John Deere STX30 STX38 STX46 Technical Service Manual TM1561 - Detailed Repair & Maintenance Guide for Gear & Hydrostatic Drive Lawn Tractors (1988-1997)
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Purchase Information
John Deere STX30, STX38, STX46 (STX Series) Lawn Tractors Technical Manual - Technical Specifications
- Document Number / Seller:
- 30029 / Walter Martin
- File Size:
- 40.21 MB
- File Type:
- Language:
- English (some of our manuals are multilingual)
- Pages:
- 314
- Printable:
- Yes
- Estimated Download Time:
- 0.82 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Lawn and Garden Tractor
- Brand:
- John Deere
- Reviewed and Approved:
- Dec 30, 2025
John Deere Models and Parts Covered in this Lawn and Garden Tractor Manual
- John Deere STX30 (1988-1993)
- John Deere STX38 (1988-1997)
- John Deere STX46 (1994-1997)
- John Deere STX38 Gear Drive (1988-1997)
- John Deere STX38 Hydrostatic Drive (1988-1997)
- John Deere STX38 Motorsport Edition (1990)
- John Deere STX46 Gear Drive (1994-1997)
- John Deere STX46 Hydrostatic Drive (1994-1997)
Complete Manual Information
John Deere STX30 STX38 STX46 Service & Repair Manual - 1988-1997
This professional technical manual provides the specific service procedures required to maintain your equipment to factory standards. By following these verified repair protocols, you can significantly reduce downtime and ensure the mechanical precision of your John Deere lawn tractor.
Model Coverage & Hardware Details:
- John Deere STX30 (1988-1993)
- John Deere STX38 (1988-1997)
- John Deere STX46 (1994-1997)
- John Deere STX38 Gear Drive (1988-1997)
- John Deere STX38 Hydrostatic Drive (1988-1997)
- John Deere STX38 Motorsport Edition (1990)
- John Deere STX46 Gear Drive (1994-1997)
- John Deere STX46 Hydrostatic Drive (1994-1997) Hardware Specifications: This manual covers single-cylinder, air-cooled Kohler Command engines including CV12.5, CV13S, CV14S, and CV15S configurations with displacements ranging from 398cc to 426cc.
Professional Benefits:
- Eliminate costly service center visits by performing internal transaxle and engine overhauls in-house.
- Enhance operator safety by verifying critical torque values and brake system tolerances.
- Prolong machine lifespan through exact adherence to factory-specified wear limits and lubrication schedules.
- Precise troubleshooting flowcharts identify electrical and mechanical failures before they lead to catastrophic component damage.
What’s Included in This Service Manual Set:
This technical document (Form TM1561) is a complete 1997 revision that replaces all previous editions (TM1418 and earlier TM1561 prints). It includes hundreds of pages of high-resolution diagrams, step-by-step repair instructions, and full diagnostic test procedures for the engine, electrical system, and both gear and hydrostatic power trains.
TECHNICAL DATA & STRUCTURE (Deep Dive)
Technical Identification & Specifications
- Serial Number Locations: The Tractor Identification Number plate is located on the rear of the frame. Engine serial numbers are found on the fan shroud sticker, with a backup bar code on the air filter housing. Gear transaxle IDs are located on the rear of the housing, while hydrostatic serial numbers are stamped directly into the top of the upper case half.
- Factory Specifications (Proof of Depth):
- Cylinder Head Flatness: Maximum warpage of 0.076 mm (0.003 in).
- Oil Pressure: Minimum 124 kPa (18 psi) at operating temperature; up to 414 kPa (60 psi) at cold start.
- Cylinder Compression: Minimum 345 kPa (50 psi); Normal 550 kPa (80 psi).
- Relief Valve Spring: Precise free length of 25.1968 mm (0.992 in).
- Flywheel Torque: Tightened to exactly 68 N·m (50 lb-ft).
Visual & Diagnostic Features
- Comprehensive Schematics: Includes full-page Electrical Wiring Schematics and detailed Harness Diagrams categorized by Serial Number ranges.
- Exploded Views: Detailed component location drawings for every major system, including Peerless 915, 920, and 930 transaxles, and Tuff Torq K50/K55 hydrostatic units.
- Diagnostics: Features specialized "Test and Check Point" tables for hard starts, engine surges, and charging circuit failures.
Contents at a Glance
- Section 1: Safety (Precautions and Signal Words)
- Section 2: Specifications & Information (Fastener Torque, Fluids, Serial Locations)
- Section 3: Engine (Kohler Command Repair and Fuel Systems)
- Section 4: Electrical (Circuit Operation, Diagnostics, and Wiring)
- Section 5: Power Train (Gear) (Dana and Peerless Transaxles)
- Section 6: Power Train (Hydrostatic) (Tuff Torq/Kanzaki Systems)
- Section 7: Steering (Pinion/Sector Repair and Toe-In)
- Section 8: Miscellaneous (Mower Decks, Lift Linkages, and Wheels)
Professional Value
This manual provides the industrial wear limits and service standards necessary to maintain factory tolerances. By utilizing the provided "GO/NO GO" measurements for bearings and valve guides, technicians can ensure component longevity and prevent the premature failure of high-value internal parts.
Download Instructions for John Deere Lawn and Garden Tractor Manual
Frequently Asked Questions - John Deere Lawn and Garden Tractor Manual
What does this John Deere manual cover?
This comprehensive service manual covers detailed repair procedures, maintenance schedules, troubleshooting guides, and technical specifications for John Deere STX30 STX38 STX46 Technical Service Manual TM1561 - Detailed Repair & Maintenance Guide for Gear & Hydrostatic Drive Lawn Tractors (1988-1997). It includes information for the following models: - John Deere STX30 (1988-1993) - John Deere STX38 (1988-1997) - John Deere STX46 (1994-1997) - John Deere STX38 Gear Drive (1988-1997) - John Deere STX38 Hydrostatic Drive (1988-1997) - John Deere STX38 Motorsport Edition (1990) - John Deere STX46 Gear Drive (1994-1997) - John Deere STX46 Hydrostatic Drive (1994-1997).
Is this manual suitable for beginners?
Yes, this John Deere manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Lawn and Garden Tractor maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (40.21 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your John Deere Lawn and Garden Tractor manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Does this include hydraulic system information?
Yes, this equipment manual covers hydraulic system operation, maintenance procedures, and troubleshooting for your John Deere machinery.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
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