How much horsepower does the John Deere 4440 have?
The John Deere 4440 has about 130 PTO horsepower and about 112 drawbar horsepower. Nebraska testing recorded about 130.41 HP at rated engine speed and about 111.23 HP maximum drawbar power.
John Deere 4440: 130 PTO HP
The John Deere 4440 delivers about 112 drawbar horsepower, with Nebraska testing confirming roughly 130.41 PTO HP and 111.23 maximum drawbar HP.
Best simple answer: the John Deere 4440 is a 130 PTO horsepower tractor. For pulling power at the drawbar, think closer to 112 horsepower.
PTO HP vs Drawbar HP on the John Deere 4440
The John Deere 4440 has more than one horsepower number because tractor power is measured in different ways. PTO horsepower is power available at the power take-off shaft. Drawbar horsepower is usable pulling power at the hitch.
Horsepower Type
4440 Rating
What It Means
PTO Horsepower
About 130 HP
Power for PTO-driven implements like balers, mowers, augers, and forage equipment.
Drawbar Horsepower
About 112 HP
Pulling power for tillage, wagons, field implements, and heavy draft work.
Important: calling the 4440 a “130 HP tractor” is normal, but technically that refers to PTO horsepower. Its drawbar horsepower is lower because power is lost through the drivetrain and traction.
John Deere 4440 Engine Specs
Engine Spec
John Deere 4440
Engine Manufacturer
John Deere
Engine Type
Turbocharged diesel
Cylinders
6-cylinder, liquid-cooled inline
Displacement
466 ci / 7.6 L
Bore x Stroke
4.5625 x 4.75 in / 116 x 121 mm
Rated RPM
2200 RPM
Compression Ratio
14.9:1
Engine Oil Capacity
16 qt / 15.1 L
Coolant Capacity
36 qt / 34.1 L
How Powerful Is the John Deere 4440?
The John Deere 4440 is not a small utility tractor. It is a serious row-crop tractor with enough PTO and drawbar power for real field work. For its era, the 4440 sat in a strong middle-heavy farm tractor class.
Horsepower Class Comparison
Compact tractor 25–50 HP
Utility tractor 60–100 HP
John Deere 4440 130 PTO HP
Large modern row-crop tractor 200+ HP
What Can the John Deere 4440 Horsepower Handle?
Good For
Baling, mowing, planting, pulling wagons, augers, field work, and general row-crop farm jobs.
Can Handle
Heavier tillage and larger implements depending on soil, ballast, tires, and setup.
Not Ideal For
Very large modern implements or today’s biggest high-acreage operations needing 200+ HP.
John Deere 4440 Tested Power
Nebraska Tractor Test data is useful because it shows what the tractor actually produced under test conditions, not just brochure numbers.
Test Category
Result
PTO power at rated engine speed
About 130.41 HP
PTO fuel use
About 8.5 gal/hour / 32.2 L/hour
Maximum drawbar power
About 111.23 HP
Maximum drawbar pull
About 13,738 lb / 6,231 kg
John Deere 4440 Horsepower Compared With Similar Tractor Classes
John Deere 4440
130 PTO HP
Strong classic row-crop tractor power with a 466 ci turbo diesel.
Typical 100 HP Utility Tractor
100 HP
The 4440 sits well above standard utility tractor power.
Why the John Deere 4440 Still Feels Strong Today
The 4440 still has a strong reputation because its horsepower is usable, simple, and reliable. The 466 ci turbocharged diesel gives it serious torque and field power without the complexity of newer emissions-era tractors.
Blunt verdict: the John Deere 4440 is still a proper work tractor. It is not just “old iron” for collectors — a healthy 4440 can still earn its keep on a farm.
Common John Deere 4440 Horsepower Questions
How much horsepower does a John Deere 4440 have?
The John Deere 4440 has about 130 PTO horsepower and about 112 drawbar horsepower.
Is the John Deere 4440 130 horsepower?
Yes, but that number refers to PTO horsepower. Its drawbar horsepower is around 112 HP.
What engine is in the John Deere 4440?
The 4440 uses a John Deere 466 ci / 7.6L turbocharged 6-cylinder diesel engine.
Is the John Deere 4440 turbocharged?
Yes. The 4440 has a turbocharged diesel engine.
What is the tested PTO horsepower of the John Deere 4440?
Nebraska testing recorded about 130.41 HP at rated engine speed.
Is the John Deere 4440 still powerful today?
Yes. It is not huge by modern row-crop standards, but 130 PTO HP is still serious usable farm power.
John Deere 4440 Horsepower Summary
PTO horsepower: about 130 HP.
Drawbar horsepower: about 112 HP.
Engine: John Deere 466 ci / 7.6L turbocharged 6-cylinder diesel.
Rated RPM: 2200 RPM.
Best use: baling, mowing, planting, tillage, hauling, and general farm work.
Real verdict: the 4440 is still a strong, usable classic row-crop tractor.
Last checked: John Deere 4440 horsepower, engine, PTO, drawbar, oil, coolant, and Nebraska test figures verified against available tractor specification and Nebraska test references.
