The John Deere Z425 tractor has 22 hp engine horsepower and 22 hp PTO horsepower.
Engine horsepower22 hp
PTO horsepower22 hp
Drawbar horsepower20.5 hp
Rated RPM2,600 rpm
Operating weight645 lb
John Deere Z425 Horsepower Details
Engine horsepower
22 hp
PTO horsepower
22 hp
Drawbar horsepower
20.5 hp
Rated engine RPM
2,600 rpm
Engine displacement
44.2 cu in
Engine cylinders
2 cylinders
Operating weight
645 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
22 hp
Average
117.3 hp
Low
8 hp
High
620 hp
PTO horsepower comparison
This model
22 hp
Average
103.8 hp
Low
8 hp
High
620 hp
Drawbar horsepower comparison
This model
20.5 hp
Average
100.5 hp
Low
7.5 hp
High
620 hp
Operating weight comparison
This model
645 lb
Average
9,758.8 lb
Low
340 lb
High
59,000 lb
John Deere Z425 Extra Horsepower Notes
Horsepower note
Engine and PTO output are nearly matched on the John Deere Z425, so the listed PTO figure stays close to the engine rating.
PTO note
For PTO-driven work, the John Deere Z425’s practical rating is 22 hp, which fits finish mowing, light-duty rotary cutting, light tilling and small utility PTO jobs.
Drawbar note
At 20.5 hp drawbar power, the John Deere Z425 is about 1.5 hp below its engine rating once power is measured as pull at the ground.
Power-to-weight note
The John Deere Z425’s weight-to-power figure is about 29.3 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 Z425 is listed with 44.2 cu in displacement, 2 cylinders, rated at 2,600 rpm.
Torque / RPM note
The John Deere Z425 lists 2,600 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.
