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John Deere 4066M Tractor Specs

The John Deere 4066M tractor is a versatile and powerful machine designed for a wide range of tasks on the farm or worksite. With a durable construction and impressive lift capacity of 1135 kg, this tractor is equipped to handle heavy-duty jobs with ease. Featuring a turbocharged and charge air-cooled engine, Final Tier 4 emissions compliance, and a high-pressure common rail direct injection fuel system, the 4066M delivers reliable performance and efficiency. From its spacious operator station with flat platform design to its advanced hydraulic system with multiple control options, this tractor ensures a comfortable and productive operation for users.


Electrical System

John Deere 4066M Tractor Electrical System specifications
Alternator Capacity 75 amp - Starting 2026

Engine

John Deere 4066M Tractor Engine specifications
Air Cleaner Type Dual element - Starting 2026
Aspiration Turbocharged and charge air cooled - Starting 2026
Compression Ratio 19.1:1 - Starting 2026
Cooling System Type Liquid - Starting 2026
Cylinder Liners Cast-in-block - Starting 2026
Displacement 127.00 cu in (2,081.16 cu cm) - Starting 2026
Emissions Certifications Final Tier 4 - Starting 2026
Fuel Type Diesel; High-pressure common rail direct injection - Starting 2026
Lubrication Pressurized - Starting 2026
Number of Cylinders 4 - Starting 2026
Rated Engine Power 65 hp: (SAE J1995) - Starting 2026
Rated Engine Speed 2600 rpm - Starting 2026

Front Axle

John Deere 4066M Tractor Front Axle specifications
Front Axle Differential Lock Yes - Starting 2026

Hydraulics

John Deere 4066M Tractor Hydraulics specifications
Auxiliary Hydraulic Features Up to six rear remote control valves available - Starting 2026
Hydraulic System Type Open center - Starting 2026

Key Specs

John Deere 4066M Tractor Key Specs specifications
Displacement 127.00 cu in (2,081.16 cu cm) - Starting 2026
Rated Engine Power 65 hp: (SAE J1995) - Starting 2026

Machine Configuration

John Deere 4066M Tractor Machine Configuration specifications
Wheel or Track Configuration Wheel - Starting 2026

Operator Station

John Deere 4066M Tractor Operator Station specifications
Gearshift Location PowrReverser - Left-hand side - Starting 2026

Rear Axle

John Deere 4066M Tractor Rear Axle specifications
Final Drive Planetary - Starting 2026

Rear Hitch

John Deere 4066M Tractor Rear Hitch specifications
Draft Control Sensing Position control - Starting 2026

Rear Power Take-Off (PTO)

John Deere 4066M Tractor Rear Power Take-Off (PTO) specifications
Economy PTO Speeds 540 rpm - Starting 2026
Engagement Method Independent - Starting 2026
PTO Clutch Wet disc - Starting 2026

Steering & Brakes

John Deere 4066M Tractor Steering & Brakes specifications
Primary Brakes Multi-plate wet disc - Starting 2026

Tires

John Deere 4066M Tractor Tires specifications
Front Tires Size 8-16 (Farm), 27x10.5-15 (Turf), 10-16.5 (Industrial) - Starting 2026

Transmission

John Deere 4066M Tractor Transmission specifications
Clutch Wet - Starting 2026
Cruise Control Optional - Starting 2026
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