The John Deere 40A tractor has 29 hp engine horsepower and 29 hp PTO horsepower.
Engine horsepower29 hp
PTO horsepower29 hp
Drawbar horsepower21.7 hp
Rated RPM1,000 rpm
Operating weight3,000 lb
John Deere 40A Horsepower Details
Engine horsepower
29 hp
PTO horsepower
29 hp
Drawbar horsepower
21.7 hp
Rated engine RPM
1,000 rpm
Engine displacement
1.9 L
Engine model
Lombardini air-cooled
Operating weight
3,000 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
29 hp
Average
99 hp
Low
5 hp
High
640 hp
PTO horsepower comparison
This model
29 hp
Average
86.2 hp
Low
5 hp
High
490 hp
Drawbar horsepower comparison
This model
21.7 hp
Average
87.8 hp
Low
5.5 hp
High
640 hp
Operating weight comparison
This model
3,000 lb
Average
9,181 lb
Low
320 lb
High
56,320 lb
John Deere 40A Extra Horsepower Notes
Horsepower note
The John Deere 40A lists engine horsepower and PTO horsepower very close together at about 29 hp.
PTO note
The John Deere 40A’s 29 hp PTO rating should be read with its 1,000 rpm rated engine speed when comparing implement requirements.
Drawbar note
At 21.7 hp drawbar power, the John Deere 40A is about 7.3 hp below its engine rating once power is measured as pull at the ground.
Power-to-weight note
Using 3,000 lb operating weight and 29 hp engine power, the John Deere 40A comes out at roughly 103.4 lb per engine horsepower, meaning it is balanced enough that both traction and horsepower matter.
Engine note
For engine identification, the John Deere 40A is listed with engine model Lombardini air-cooled, 1.9 L displacement, rated at 1,000 rpm.
Torque / RPM note
The John Deere 40A lists 1,000 rpm as the rated engine RPM, which is the speed attached to its power rating.
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.
