2026 John Deere Ag 4066M
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AT A GLANCE
Industry
Agriculture
Make
John Deere Ag
Category
Tractor
Year
2026
Model
4066M
Trim
Base
Subcategory
Compact Tractor
Info
Condition
New
Specifications
Power/Horsepower
65.9 HP (48.5 kW) | PTO HP Gear: 58 HP (53.2 kW) | PTO HP Hydro: 57 HP (42.5 kW)
Wheelbase
73 in.
Engine
Model: 4TNV86CHT-MJT | Manufacturer: Yanmar®
RPM
2600 RPM
Fuel Type
Diesel
Fuel Capacity
Tank: 15 U.S. gal. | Lift: 2500 lb.
Battery
Size: 770 CCA
Cylinders
Liners: Cast-in-block | Number: Four
Torque
At Rated Speed: 131.3 lb-ft
Clutch
Wet disc
Steering
Hydrostatic power steering | Hydraulics: 6.2 gpm
Ground Clearance
Front Axle: 13.8 in.
Brakes
Multi-plate wet disc
Alternator
75 amp
Starter
2.68 HP
Turning Radius
With Brakes: 9.19 ft | Without Brakes: 9.84 ft
Lubrication System
Pressurized
Displacement
127.6 cu in.
Family/Type
Pump: Single gear | 3-Point Hitch: Category 1/Category 2 | Final Drive: Planetary
Fuel System
High pressure common rail direct injection | Hydraulics: Open center | Cooling: Liquid
Transmission
Standard: 12/12 PowrReverser transmission | Gear Ranges: eHydro - Infinitely-variable three range | Hydraulic System: 12.5 gal.
Weight
Shipping (Open station): 3982 lb.
Tires
Front (Farm): 8-16 | Front (Turf): 27x10.5-15 | Front (Industrial): 10-16.5 | Front (Farm): 14.9-24 | Front (Turf): 44x18-20 or 22.5LL-16.1 | Front (Industrial): 16.9Lx24
Air Filter (Cabin)
Dual element with electronic restriction indicator
