Same brandJohn Deere 8440
The John Deere 8440 is a powerful utility tractor made from 1979 to 1982. It has a strong 6-cylinder diesel engine that makes 215 horsepower. This engine is very big and strong compared to most tractors. The 8440 is a 4-wheel drive tractor with a special steering system that helps it turn easily. This tractor is built for hard work. It has a three-point hitch in the back that can lift very heavy loads, up to 8,545 pounds. The 8440 is also quite heavy itself, weighing 26,590 pounds. It has a cab for the driver to sit in, which helps make long work days more comfortable. The tractor has 16 forward gears and 6 reverse gears, giving the driver lots of options for different jobs. It also has a power take-off (PTO) that spins at 1000 rpm, which is useful for running other farm equipment.

Key specifications
- Category
- Utility
- Engine power
- 215hp
- Operating weight
- 26,590 lb
- Transmission
- partial power shift
Category comparison
8440 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
This model
The 8440 ranks at the 95th percentile for engine power among recorded utility tractors.
Overview
About the John Deere 8440
The John Deere 8440 is a powerful utility tractor made from 1979 to 1982. It has a strong 6-cylinder diesel engine that makes 215 horsepower. This engine is very big and strong compared to most tractors. The 8440 is a 4-wheel drive tractor with a special steering system that helps it turn easily. This tractor is built for hard work. It has a three-point hitch in the back that can lift very heavy loads, up to 8,545 pounds. The 8440 is also quite heavy itself, weighing 26,590 pounds. It has a cab for the driver to sit in, which helps make long work days more comfortable. The tractor has 16 forward gears and 6 reverse gears, giving the driver lots of options for different jobs. It also has a power take-off (PTO) that spins at 1000 rpm, which is useful for running other farm equipment.
Full specifications
Recorded specifications
General
| Manufacturer | John Deere |
|---|---|
| Model | 8440 |
| Category | Utility tractor |
| Type | 4x4 articulated 4WD |
| Years built | 1979–1982 |
| Operating weight | 26,590lb(12,060 kg) |
Engine
| Make | John Deere |
|---|---|
| Power | 215hp(160.3 kW) |
| Cylinders | 6 |
| Displacement | 466ci(7.64 L) |
| Bore | 4.57in(116.1 mm) |
| Stroke | 4.76in(120.9 mm) |
Transmission
| Type | partial power shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 6 |
Chassis & drive
| Chassis | 4x4 articulated 4WD |
|---|---|
| Drive | 4WD |
| Steering | articulated power |
| Brakes | Hydraulic wet disc |
| Cab | Cab (standard) |
Hydraulics
| Type | Closed center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 1,000rpm |
Dimensions
| Length | 223.5in(5,677 mm) |
|---|---|
| Height | 126.6in(3,216 mm) |
| Operating weight | 26,590lb(12,060 kg) |
Capacities
| Cooling system | 10gal(37.85 L) |
|---|
Closest alternatives
8440 compared with the nearest models by horsepower
By engine horsepower, the nearest utility models to the 8440 are the John Deere 8020 and the John Deere 8010. The John Deere 8020 matches it on rated power and weighs 6,890 lb less, carrying 92 lb per horsepower against 124 lb. It entered production in 1961, 18 years before the 8440. The John Deere 8010 matches it on rated power and weighs 6,890 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. It entered production in 1960, 19 years before the 8440. Of the 3 models, the 8440 has the highest weight per horsepower at 124 lb per hp.
| Spec | John Deere 8440 | John Deere 8020 | John Deere 8010 |
|---|---|---|---|
| Engine power | 215 hp160.3 kW | 215 hp160.3 kW | 215 hp160.3 kW |
| Operating weight | 26,590 lb12,061 kg | 19,700 lb8,936 kg | 19,700 lb8,936 kg |
| Weight per hp | 124 lb/hp75 kg/kW | 92 lb/hp56 kg/kW | 92 lb/hp56 kg/kW |
| Displacement | 466 ci7.64 L | 425 ci6.96 L | 425 ci6.96 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | partial power shift | Gear | Gear type |
| Drive | 4WD | 4WD | 4WD |
| Years built | 1979-1982 | 1961-1964 | 1960+ |
Calculators
Calculators for the 8440
PTO power
About 178 to 194 PTO hp
Estimated from the 215 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 215 hp tractor can run
Maximum size is about a 25.5 ft rotary cutter or a 22 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
144 lb per PTO hp as listed
The calculator gives the target weight and front/rear split for each job.
Units
215 hp is 160.3 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
8440 vs. Utility median
John Deere 8440 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 215 hp | 55 hp | +291% | 95th |
| Engine Displacement | 466 ci | 183 ci | +155% | 93rd |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 16 | 12 | +33% | 73rd |
| Operating Weight | 26,590 lb | 5,303 lb | +401% | 96th |
| Length | 224 in | 137 in | +64% | 95th |
| Height | 127 in | 94.1 in | +35% | 96th |
| 3-Point Hitch Capacity | 8,545 lb | 3,197 lb | +167% | 88th |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 1,083–5,720 models).
Same manufacturer
Other John Deere models
Other manufacturers
Models with similar horsepower
Gallery
John Deere 8440 photos




FAQ
Frequently asked questions
What years was the John Deere 8440 manufactured?
Production of the John Deere 8440 ran from 1979 through 1982.
What three-point hitch category does the John Deere 8440 use?
The John Deere 8440 has a Category III three-point hitch rated to lift 8,545 lb.
How powerful is the John Deere 8440?
The John Deere 8440 has an engine power output of 215 hp. It is powered by a 6-cylinder engine displacing 466 ci.
What is the working weight of the John Deere 8440?
The operating weight of the John Deere 8440 is approximately 26,590 lb.
What type of transmission does the John Deere 8440 have?
The John Deere 8440 uses a partial power shift transmission offering 16 forward gears.
What hydraulics does the John Deere 8440 have?
The John Deere 8440 uses a Closed center hydraulic system.
What routine service does the John Deere 8440 need?
Regular maintenance for the John Deere 8440 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.



