The John Deere Z840A tractor has 26 hp engine horsepower and 22.5 hp PTO horsepower.
Engine horsepower26 hp
PTO horsepower22.5 hp
Drawbar horsepower26 hp
Rated RPM3,600 rpm
Operating weight1,320 lb
John Deere Z840A Horsepower Details
Engine horsepower
26 hp
PTO horsepower
22.5 hp
Drawbar horsepower
26 hp
Rated engine RPM
3,600 rpm
Engine displacement
41 cu in
Engine model
a 24.0 hp
Operating weight
1,320 lb
Horsepower Comparison Chart
Engine horsepower comparison
This model
26 hp
Average
64.9 hp
Low
6 hp
High
540 hp
PTO horsepower comparison
This model
22.5 hp
Average
57.8 hp
Low
6 hp
High
620 hp
Drawbar horsepower comparison
This model
26 hp
Average
57 hp
Low
5.5 hp
High
470 hp
Operating weight comparison
This model
1,320 lb
Average
5,791.3 lb
Low
300 lb
High
59,000 lb
John Deere Z840A Extra Horsepower Notes
Horsepower note
The John Deere Z840A shows 26 hp at the engine and 22.5 hp at the PTO, which is a normal drop from engine power to PTO power for a compact utility tractor.
PTO note
The John Deere Z840A’s PTO output is 22.5 hp, about 86.5% of its 26 hp engine rating, so PTO implement choice should be based on the PTO number.
Drawbar note
The John Deere Z840A separates pulling work from PTO work with 26 hp drawbar horsepower and 22.5 hp PTO horsepower.
Power-to-weight note
The John Deere Z840A’s weight-to-power figure is about 50.8 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
The John Deere Z840A uses engine model a 24.0 hp, 41 cu in displacement, rated at 3,600 rpm, which helps explain where its horsepower rating comes from.
Torque / RPM note
The John Deere Z840A’s horsepower rating is tied to a rated engine speed of 3,600 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.
