Tractor reference
John Deere 4066R
Specifications, maintenance, parts and compatibility reference.
Specification set: United States - 4WD 4R HST base specification Official North America configuration from the John Deere compact utility tractor price book published 5 May 2026.
Machine Configuration
Drive type4WD
Engine
Engine manufacturerYanmar
Rated engine power65.9 hp
Engine displacement2.2 L
Cylinders4
Rated engine speed2600 rpm
AspirationIntercooled turbocharged
EmissionsTier IV EPA emissions certified
Transmission
Standard transmissionHST, 3 range
PTO
PTO power52 hp
Hydraulics
Base hydraulic configurationDual mid selective control valve with joystick, float, regenerative function and regenerative lockout
Electrical
Electrical system12 V
Alternator75 A
Battery770 CCA