John Deere

John Deere 4066R

The John Deere 4066R is a compact utility tractor built since 2014 in Augusta, Georgia, USA. It features a 65.0 hp Yanmar 2.1L 4-cylinder turbocharged diesel engine with Tier IV emissions and a diesel particulate filter. The tractor offers a 12-speed power shuttle hydrostatic transmission, four-wheel drive with planetary final drives, mechanical rear differential lock, and hydraulic wet disc brakes. It has a two-post folding ROPS with an optional cab with air-conditioning. Fuel capacity ranges from 13 to 13.8 gallons depending on configuration. The hydraulic system is open center with 12.5 gallons capacity and 2500 psi pressure. The tractor hitch is category I with position control and rear lift capacity up to 3130 lbs at ends. PTO is independent with 540 and 540E speeds. Dimensions include a 73-inch wheelbase, length of 130.6 inches, and height up to 100.2 inches with ROPS. The 4066R supports various loaders and backhoes as attachments.
Power65 hp
Founded2014 - 2024
Model4066R

Technical Specifications

Detailed specifications and technical data for John Deere 4066R

Power
Engine (gross)65.0 hp (48.5 kW)
Gear PTO (claimed)54.2 hp (40.4 kW) *Sales brochure lists 58 hp.
Hydro PTO (claimed)51.9 hp (38.7 kW) *Sales brochure lists 57 hp.
Tires
Ag rear13.6-28
Ag front8.00-16
Lawn/turf rear44x18-20
Lawn/turf front27x10.50-15
Engine
Typeturbocharged diesel
ModelYanmar 4TNV86
Torque153 lb-ft (207.5 Nm)
Coolingliquid-cooled inline
Starterelectric
Idle RPM950-2750
Cylinders4-cylinder
EmissionsTier IV
Rated RPM2600
Torque RPM1690
Bore/Stroke3.39x3.54 inches (86 x 90 mm)
Compression19.1:1
Fuel systemhigh-pressure common rail
Displacement127.5 ci (2.1 L)
Oil capacity5.6 qts (5.3 L)
Starter volts12
Emission controldiesel particulate filter (DPF)
Rated Power (gross)65.0 hp (48.5 kW)
Capacity
Cab Fuel13.8 gal (52.2 L)
ROPS Fuel13 gal (49.2 L)
Hydraulic system12.5 gal (47.3 L)
Variants
4066Mbase model
4066Rdeluxe model
Dimensions
Length130.6 inches (331 cm)
Wheelbase73 inches (185 cm)
Rear tread59.9 inches (152 cm)
Front tread53.6 inches (136 cm)
Height (cab)97.4 inches (247 cm)
Height (ROPS)100.2 inches (254 cm)
4WD Cab Weight4675 lbs (2120 kg)
4WD ROPS Weight3770 lbs (1710 kg)
Clearance (front axle)13.8 inches (35 cm)
Electrical
Groundnegative
Battery CCA770
Battery volts12
Charging amps75
Charging systemalternator
Hydraulics
Typeopen center
Valves3 to 5
Capacity12.5 gal (47.3 L)
Pressure2500 psi (172.4 bar)
Pump flow10.2 gpm (38.6 lpm)
Total flow15.9 gpm (60.2 lpm)
Steering flow5.7 gpm (21.6 lpm)
Mechanical
ROPSTwo-post folding ROPS. Cab optional with air-conditioning.
BrakesHydraulic wet disc brakes
Final drivesplanetary
Power steeringyes
Four-wheel driveyes
Differential lockmechanical rear
Production
TypeCompact Utility tractor
Built inAugusta, Georgia, USA
ManufacturerJohn Deere
Original price$51,662 (2025 hydro ROPS ), $62,984 (2025 hydro Cab )
Attachments
Backhoe
ModelJohn Deere 485A Backhoe
Weight1435 lbs (650 kg)
Bucket width16 inches (40 cm)
Loading height79 inches (200 cm)
Reach from pivot140 inches (355 cm)
Transport height92 inches (233 cm)
2-Foot flat digging depth102 inches (259 cm)
Loaders[object Object],[object Object],[object Object],[object Object]
Transmission
Type12-speed power shuttle, hydrostatic
Tractor hitch
Controlposition control
Rear TypeI
Rear lift (at ends)3130 lbs (1419 kg)
Rear lift (at 24"/610mm)2500 lbs (1134 kg)
Power Take-off (PTO)
Rear PTOindependent
Engine RPM540@2600, 540E@1750
Rear PTO Type540 (1.375)