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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.
John Deere 4066Rcompact utility tractorYanmar 4TNV86 engine65 hp tractor4WD tractorhydraulic systemPTOtractor dimensionstractor 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 rear:13.6-28
Ag front:8.00-16
Lawn/turf rear:44x18-20
Lawn/turf front:27x10.50-15

Engine

Type:turbocharged diesel
Model:Yanmar 4TNV86
Torque:153 lb-ft (207.5 Nm)
Cooling:liquid-cooled inline
Starter:electric
Idle RPM:950-2750
Cylinders:4-cylinder
Emissions:Tier IV
Rated RPM:2600
Torque RPM:1690
Bore/Stroke:3.39x3.54 inches (86 x 90 mm)
Compression:19.1:1
Fuel system:high-pressure common rail
Displacement:127.5 ci (2.1 L)
Oil capacity:5.6 qts (5.3 L)
Starter volts:12
Emission control:diesel particulate filter (DPF)
Rated Power (gross):65.0 hp (48.5 kW)

Capacity

Cab Fuel:13.8 gal (52.2 L)
ROPS Fuel:13 gal (49.2 L)
Hydraulic system:12.5 gal (47.3 L)

Variants

4066M:base model
4066R:deluxe model

Dimensions

Length:130.6 inches (331 cm)
Wheelbase:73 inches (185 cm)
Rear tread:59.9 inches (152 cm)
Front tread:53.6 inches (136 cm)
Height (cab):97.4 inches (247 cm)
Height (ROPS):100.2 inches (254 cm)
4WD Cab Weight:4675 lbs (2120 kg)
4WD ROPS Weight:3770 lbs (1710 kg)
Clearance (front axle):13.8 inches (35 cm)

Electrical

Ground:negative
Battery CCA:770
Battery volts:12
Charging amps:75
Charging system:alternator

Hydraulics

Type:open center
Valves:3 to 5
Capacity:12.5 gal (47.3 L)
Pressure:2500 psi (172.4 bar)
Pump flow:10.2 gpm (38.6 lpm)
Total flow:15.9 gpm (60.2 lpm)
Steering flow:5.7 gpm (21.6 lpm)

Mechanical

ROPS:Two-post folding ROPS. Cab optional with air-conditioning.
Brakes:Hydraulic wet disc brakes
Final drives:planetary
Power steering:yes
Four-wheel drive:yes
Differential lock:mechanical rear

Production

Type:Compact Utility tractor
Built in:Augusta, Georgia, USA
Manufacturer:John Deere
Original price:$51,662 (2025 hydro ROPS ), $62,984 (2025 hydro Cab )

Attachments

Backhoe

Model:John Deere 485A Backhoe
Weight:1435 lbs (650 kg)
Bucket width:16 inches (40 cm)
Loading height:79 inches (200 cm)
Reach from pivot:140 inches (355 cm)
Transport height:92 inches (233 cm)
2-Foot flat digging depth:102 inches (259 cm)
Loaders:[object Object],[object Object],[object Object],[object Object]

Transmission

Type:12-speed power shuttle, hydrostatic

Tractor hitch

Control:position control
Rear Type:I
Rear lift (at ends):3130 lbs (1419 kg)
Rear lift (at 24"/610mm):2500 lbs (1134 kg)

Power Take-off (PTO)

Rear PTO:independent
Engine RPM:540@2600, 540E@1750
Rear PTO Type:540 (1.375)