John Deere LTR155, LTR166, LTR180 Lawn Tractor Technical Manual 2002

Technical reference for Lawn Tractors LTR155, LTR166, and LTR180 with service procedures for engine and tractor systems. PN ITM1768

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Document Details

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Document Number / Seller:
28742 / Kevin Wilson
File Size:
45.11 MB
File Type:
PDF
Language:
English
Pages:
436
Printable:
Yes
Category:
Lawn and Garden Tractor
Last updated / verified
Dec 21, 2025

Models Covered & Key Technical Specifications

JOHN DEERE LTR155, LTR166, LTR180 (ITM1768 FEBRUARY 2002) - 2002 Technical Manual | Comprehensive Maintenance & Repair Manual Tractor Systems.

  • Documented Engine Displacement: 426 cm3
  • Calibrated Fast Idle Speed: 3350 ± 50 rpm
  • Authorized Lubrication Pressure: 0 – 413 kPa
  • Maximum Fuel Tank Capacity: 6.0 L
  • System Brake Type: Single, Internal Wet Disc Brake
  • Principal Turning Radius: 38.1 cm

Manual Description & Preview

John Deere LTR155, LTR166, LTR180 Lawn Tractor Technical Manual: John Deere LTR155, LTR166, LTR180 2002 - Comprehensive Maintenance & Repair Manual Chassis-Documentation

Repair-Classification: Technical Manual | Operational-Scope: Tractor Systems | Serial-Range: 2002

This technical manual provides comprehensive information for the John Deere LTR155, LTR166, and LTR180 Lawn Tractors.

General Vehicle Specifications

  • Engine Make: John Deere LTR155 (Kohler), LTR166 (Briggs & Stratton), LTR180 (Kawasaki)
  • Displacement: LTR155 - 426 cm3, LTR166 - 480 cm3, LTR180 - 494 cm3
  • Power: LTR155 - 11.2 kW (15.0 hp), LTR166 - 11.94 kW (16.0 hp), LTR180 - 12.7 kW (17.0 hp)
  • Fuel Tank Capacity: 6.0 L (1.6 U.S. gal)
  • Tire Pressure: Front - 83 kPa (12 psi), Rear - 55 kPa (8 psi)

Engine and Fuel System Repair Procedures cover engine removal and installation, carburetor servicing, fuel pump replacement, and blower housing servicing.

Troubleshooting Includes detailed guides for engine and fuel system issues, starting motor problems, and troubleshooting charts.

Tests and Adjustments Covers essential tests and adjustments such as valve clearance, compression pressure, crankcase vacuum, and oil pressure tests.

Torque Specifications Provides detailed torque values for various fasteners and components for accurate assembly and maintenance.

Wiring Diagrams Includes electrical schematics and wiring harness legends for different models and configurations.

FAQ

What does the **assembly** sequence detail for the John Deere LTR series tractors? keyboard_arrow_down

Assembly instructions for engine removal and installation, including component reassembly and torque specifications, are detailed throughout the manual.

Reference the **specific** service interval parameters for engine oil changes. keyboard_arrow_down

The manual references using the appropriate oil viscosity based on the expected air temperature range for recommended oil changes, as outlined in the Engine Oil Specifications section.

What are the **designated** system architecture details for the fuel system? keyboard_arrow_down

The fuel system specifications include details on aspiration (Natural), fuel tank location (Rear), fuel tank capacity (6.0 L), fuel delivery (Float-Type Side Draft Carburetor), and fuel filter (Replaceable In-Line).

Specify the **critical** tool requirements for performing a cylinder leak test. keyboard_arrow_down

Critical tool requirements for a cylinder leak test include a JTO3502 Cylinder Leak Tester and a Breaker Bar & 30 mm Socket.

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