The John Deere 4066M tractor has 65 hp engine horsepower and 54.2 hp PTO horsepower.
Engine horsepower65 hp
PTO horsepower54.2 hp
Drawbar horsepower54.2 hp
Rated RPM2,600 rpm
Torque178 Nm
Operating weight3,770 lb
John Deere 4066M Horsepower Details
Engine horsepower
65 hp
PTO horsepower
54.2 hp
Drawbar horsepower
54.2 hp
Rated engine RPM
2,600 rpm
Engine torque
178 Nm
Engine displacement
2.1 L
Engine cylinders
4 cylinders
Engine model
the Yanmar 4TNV86
Operating weight
3,770 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
65 hp
Average
113.7 hp
Low
20 hp
High
310 hp
PTO horsepower comparison
This model
54.2 hp
Average
101.7 hp
Low
17 hp
High
280 hp
Drawbar horsepower comparison
This model
54.2 hp
Average
98.4 hp
Low
17 hp
High
250 hp
Operating weight comparison
This model
3,770 lb
Average
10,042.2 lb
Low
317.2 lb
High
27,180 lb
John Deere 4066M Extra Horsepower Notes
Horsepower note
For power comparison, the John Deere 4066M sits at 65 hp engine horsepower with 54.2 hp available at the PTO.
PTO note
With 54.2 hp at the PTO, the John Deere 4066M is best matched to larger mowing, rotary cutting, tillage and medium utility implements; implement width and soil/load conditions still matter more than the horsepower number by itself.
Drawbar note
The John Deere 4066M’s 54.2 hp drawbar rating is the better number for ground-pulling work than the 65 hp engine rating.
Power-to-weight note
The John Deere 4066M’s weight-to-power figure is about 58 lb per engine horsepower; that means it is light for its power, so traction and ballast can become the limiting factor before engine power.
Engine note
The John Deere 4066M’s engine setup is engine model the Yanmar 4TNV86, 2.1 L displacement, 4 cylinders, rated at 2,600 rpm, matching its utility tractor horsepower range.
Torque / RPM note
Torque and rated speed on the John Deere 4066M are 178 Nm and 2,600 rpm, showing how the engine is set up to work under load.
Official information note
Mistakes do happen. Horsepower, PTO horsepower, drawbar horsepower, weight and engine specs can change by year, market, engine option, cab, transmission and test standard. Please check the operator manual and official deere.com website for official information.
