John Deere 2140 Tractor Technical Manual (TM4373)

John Deere 2140 Tractor Technical Manual (TM4373 April-86)

This official technical manual delivers comprehensive servicing, diagnostic, and repair instructions for John Deere 2140 Tractors. It covers full specifications, inspections, lubrication routines, and adjustment data, with detailed system-level coverage for the engine, fuel and air intake, electrical circuits, powertrain, hydraulics, steering, brakes, and operator cab assemblies. Structured diagnostic tests, calibration procedures, and disassembly/assembly workflows enable professional technicians to maintain factory performance and ensure accurate servicing.

Model Covers:

John Deere 2140 Tractor

File Format: PDF

Size: 41.62 MB

No. of pages: 1234

Language: English

Delivery Method: Instant Download - Access your file immediately after purchase.

📑 Included Sections:

General

• Specifications, special tools, and pre-delivery inspections
• Lubrication charts, service intervals, and tune-up procedures
• Tractor separation procedures for standard and increased lift capacity models

Engine

• Full specifications and radiator servicing

Fuel and Air Intake System

• Fuel tank, water trap, and air cleaner servicing
• Speed control linkage adjustments and cold weather starting aids
• Diagnostics for intake and fuel malfunctions

Electrical System

• System descriptions, diagnostic charts, and wiring harness layouts
• Control and instrument testing, lighting system repair
• Starting motor and alternator servicing with complete wiring diagrams

Power Train

• Clutch linkage, Hi-Lo shift unit, and creeper transmission servicing
• Transmission schematics for synchronized and collar-shift units
• Differential, final drives, independent PTO, and mechanical front wheel drive repairs

Steering and Brakes

• Hydrostatic steering systems with pressure values and testing
• Power steering and manual steering servicing
• Brake diagnostics and system repair

Hydraulic System

• Hydraulic pressure tests and diagnostic routines
• Reservoir, filters, valves, and oil cooler servicing
• Pump servicing, rockshaft and front hitch calibration
• Selective control valves: spool type, poppet valve type, and Spain-built tractors
• Hose couplers and remote cylinder repair

Miscellaneous

• Front axle, wheels, belt pulley, and trailer hitch servicing

Operator’s Cabs

• Air conditioning, ventilation, and heating system servicing
• Seat adjustments, OPU cab, SG2 cab, and roll guard repairs

This John Deere Tractor Technical Manual provides advanced troubleshooting charts, precise adjustment procedures, and structured service instructions, ensuring reliable maintenance and repair for the 2140 Tractor.