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