The John Deere 9420T tractor has 425 hp engine horsepower and 302 hp PTO horsepower.
Engine horsepower425 hp
PTO horsepower302 hp
Drawbar horsepower323.4 hp
Operating weight39,000 lb
John Deere 9420T Horsepower Details
Engine horsepower
425 hp
PTO horsepower
302 hp
Drawbar horsepower
323.4 hp
Engine displacement
12.5 L
Engine cylinders
6 cylinders
Engine model
a 12.5L 6-cylinder turbocharged
Operating weight
39,000 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
425 hp
Average
64.9 hp
Low
6 hp
High
540 hp
PTO horsepower comparison
This model
302 hp
Average
57.8 hp
Low
6 hp
High
620 hp
Drawbar horsepower comparison
This model
323.4 hp
Average
57 hp
Low
5.5 hp
High
470 hp
Operating weight comparison
This model
39,000 lb
Average
5,791.3 lb
Low
300 lb
High
59,000 lb
John Deere 9420T Extra Horsepower Notes
Horsepower note
The John Deere 9420T is rated at 425 hp engine power and 302 hp at the PTO, a drop of about 123 hp between the engine and PTO.
PTO note
Use the John Deere 9420T’s 302 hp PTO rating when sizing implements; the 425 hp engine rating is not the number the implement actually receives.
Drawbar note
At 323.4 hp drawbar power, the John Deere 9420T is about 101.6 hp below its engine rating once power is measured as pull at the ground.
Power-to-weight note
Using 39,000 lb operating weight and 425 hp engine power, the John Deere 9420T comes out at roughly 91.8 lb per engine horsepower, meaning it is light for its power, so traction and ballast can become the limiting factor before engine power.
Engine note
With 12.5 L across 6 cylinders, the John Deere 9420T averages about 2.1 L per cylinder.
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.
