The John Deere 3720 tractor has 44 hp engine horsepower and 35 hp PTO horsepower.
Engine horsepower44 hp
PTO horsepower35 hp
Drawbar horsepower37.5 hp
Rated RPM2,600 rpm
Operating weight3,800 lb
John Deere 3720 Horsepower Details
Engine horsepower
44 hp
PTO horsepower
35 hp
Drawbar horsepower
37.5 hp
Rated engine RPM
2,600 rpm
Engine displacement
1.5 L
Engine cylinders
3 cylinders
Engine model
Yanmar 3TNV84HT turbocharged
Operating weight
3,800 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
44 hp
Average
77.5 hp
Low
6 hp
High
540 hp
PTO horsepower comparison
This model
35 hp
Average
73.2 hp
Low
6 hp
High
620 hp
Drawbar horsepower comparison
This model
37.5 hp
Average
67 hp
Low
5.5 hp
High
470 hp
Operating weight comparison
This model
3,800 lb
Average
7,216.1 lb
Low
300 lb
High
59,000 lb
John Deere 3720 Extra Horsepower Notes
Horsepower note
The John Deere 3720 is rated at 44 hp engine power and 35 hp at the PTO, a drop of about 9 hp between the engine and PTO.
PTO note
The John Deere 3720’s PTO output is 35 hp, about 79.5% of its 44 hp engine rating, so PTO implement choice should be based on the PTO number.
Drawbar note
For plows, ground tools and pull-type loads, the John Deere 3720’s 37.5 hp drawbar horsepower says more than engine horsepower alone.
Power-to-weight note
The John Deere 3720’s weight-to-power figure is about 86.4 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
For engine identification, the John Deere 3720 is listed with engine model Yanmar 3TNV84HT turbocharged, 1.5 L displacement, 3 cylinders, rated at 2,600 rpm.
Torque / RPM note
The John Deere 3720’s horsepower rating is tied to a rated engine speed of 2,600 rpm.
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.
