The John Deere 9R 390 tractor has 390 hp engine horsepower and 350 hp PTO horsepower.
Engine horsepower390 hp
PTO horsepower350 hp
Drawbar horsepower390 hp
Rated RPM1,550 rpm
Torque1,328 lb-ft
Operating weight45,980 lb
John Deere 9R 390 Horsepower Details
Engine horsepower
390 hp
PTO horsepower
350 hp
Drawbar horsepower
390 hp
Rated engine RPM
1,550 rpm
Engine torque
1,328 lb-ft
Engine displacement
13.6 L
Engine cylinders
6 cylinders
Engine model
a 13.6L 6-cylinder
Operating weight
45,980 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
390 hp
Average
99 hp
Low
5 hp
High
640 hp
PTO horsepower comparison
This model
350 hp
Average
86.2 hp
Low
5 hp
High
490 hp
Drawbar horsepower comparison
This model
390 hp
Average
87.8 hp
Low
5.5 hp
High
640 hp
Operating weight comparison
This model
45,980 lb
Average
9,181 lb
Low
320 lb
High
56,320 lb
John Deere 9R 390 Extra Horsepower Notes
Horsepower note
The useful spread on the John Deere 9R 390 is small: 390 hp engine horsepower versus 350 hp PTO horsepower.
PTO note
Use the John Deere 9R 390’s 350 hp PTO rating when sizing implements; the 390 hp engine rating is not the number the implement actually receives.
Drawbar note
The John Deere 9R 390 separates pulling work from PTO work with 390 hp drawbar horsepower and 350 hp PTO horsepower.
Power-to-weight note
Using 45,980 lb operating weight and 390 hp engine power, the John Deere 9R 390 comes out at roughly 117.9 lb per engine horsepower, meaning it is balanced enough that both traction and horsepower matter.
Engine note
For engine identification, the John Deere 9R 390 is listed with engine model a 13.6L 6-cylinder, 13.6 L displacement, 6 cylinders, rated at 1,550 rpm.
Torque / RPM note
The John Deere 9R 390’s 1,328 lb-ft torque rating works with its 1,550 rpm rated speed, so load response depends on both numbers.
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.
