4066R Compact Utility Tractor

4066R Compact Utility Tractor


  • Turbocharged diesel engine
  • PowrReverser™ or eHydrostatic Transmission Options
  • Cab or Open Station configurations
  • Premium features: Hitch Assist, Aux Hitch Control, HST controls
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Family EYDXL2.09HDA
Manufacturer Yanmar
Engine model 4TNV86CHT-MJT
Engine power (gross) 48.5 kW
65.9 hp
PS at 2600 rpm
SAE J1995 rated power
Power take-off (PTO) power Gear - 40.2 kW
54 hp
Hydrostatic transmission (HST) - 38.7 kW
52 hp
Per SAE J1995
Rated engine speed 2600 rpm
Type Diesel
Injection pump type High pressure common rail direct injection
Aspiration Turbocharged and charge air cooled
Emissions compliance Final Tier 4
Cylinders/displacement 4 / 2.091 L
4 / 127.6 cu in.
Number of cylinders Four
Cylinder liners Cast-in-block
Bore and stroke 86 x 90 mm
3.4 x 3.54 in.
Compression ratio 19.1:1
Lubrication Pressurized
Cooling system Liquid
Air cleaner Dual element with electronic restriction indicator
Engine torque at rated speed 178 Nm
131.3 lb-ft
Fuel tank capacity Rollover protective structure (ROPS) - 49.2 L
13 U.S. gal.
Cab - 52.2 L
13.8 U.S. gal.


Battery size 770 CCA
Alternator (12-V) 75 amp
Starter size 2 kW
2.68 hp

Fuel system

Type High pressure common rail direct injection
Fuel consumption


Standard transmission; forward/reverse 12/12 PowrReverser transmission (PRT)
Optional transmission; forward/reverse 3/3 Hydrostatic transmission (HST)
Left-hand reverser Yes
Transmission gear ranges
Final drive Planetary
Brakes Multi-plate wet disc
Steering Hydrostatic power steering
Clutch, wet/dry Wet
Clutch disk diameter wet clutch 129 mm
5.08 in.
Axle capacity Front
1600 kg
3528 lb
2400 kg
5292 lb
Mechanical front-wheel drive (MFWD) - 1.6 kg
5.9 lb
Creeper Standard
Cruise control Standard
Differential lock Yes
Drawbar maximum vertical load


Type Open center
Pump rated output Steering
21.5 L/min
5.7 gpm
38.7 L/min
10.2 gpm
60.2 L/min
15.9 gpm
Pump type Dual gear
Maximum operating pressure
Draft control sensing Position control
Remote control valves available Three remotes optional

3-point hitch

Category Category 1
Lift capacity, 24-in. behind link arms 1135 kg
2500 lb

Power take-off (PTO)

Standard Rear - 540 at 2600 rpm
Optional 540 rpm
540E rpm
Control Independent
Clutch Wet disc
Brake (for mid and rear PTO)
Engagement method

Fluid capacities

Crankcase with filter 5.3 L
1.4 qt
Transmission and hydraulic system 44 L
12 gal.

Final drive

Type Planetary
Differential lock Yes

Operator station

Rollover protective structure Type
Platform - flat/straddle Flat
Gear shift location - console/floor Left-hand side


Compliance OSHA, SAE, ASAE
Visibility 360 degree (angle)
Air conditioning, temperature differential 16.7 °C
30 °F
Doors One
Noise rating 78 dBA
Seat equipment Air


Wheelbase 185.5 cm
73 in.
Front axle clearance 39.5 cm
15.6 in.
Turning radius with brakes 2.8 m
9.19 ft
Turning radius without brakes 3.0 m
9.84 ft
Limited slip differential
Approximate shipping weight (open-station; cab) Open operator station (OOS) - 1710 kg
3770 lb
Cab - 2120 kg
4675 lb


Front Farm - 8-16
Turf - 27x10.5-15
R4 - 10-16.5
Rear Farm - 14.9-24
Turf - 44x18-20 or 22.5LL-16.1
R4 - 17.5Lx24
Front tread range 148.1 cm
58.3 in.
Rear tread spacing 137.2 cm
54 in.


Tilt steering wheel
12-V Outlet

Additional information

Date collected