John Deere 4440 Tractor Parts
4440 parts and accessories
The John Deere 4440, manufactured from 1977 to 1982, was a workhorse on farms across America. Powered by a robust 110 PTO horsepower diesel engine, the 4440 provided reliable power for a wide range of agricultural tasks. Its comfortable cab and dependable performance made it a favorite among farmers during its production run and beyond.
The John Deere 4440 was introduced in 1977 as part of the 'Iron Horse' series, succeeding the 4320. Production continued until 1982. Its heart was a John Deere 6.6L (404 cu in) six-cylinder diesel engine, producing approximately 130 gross horsepower and 110 PTO horsepower. The engine featured a turbocharger for increased performance and efficiency. Transmission options included a Quad-Range transmission with 16 forward and 6 reverse speeds, or a Syncro-Range transmission with 8 forward and 2 reverse speeds. The 4440's PTO delivered power at 540 or 1000 RPM, catering to various implement requirements. The hydraulic system offered a capacity of around 30 GPM, providing ample flow for implements. It featured a Category II 3-point hitch, offering a lift capacity of approximately 5,800 lbs. The 4440 was widely used in row crop operations, hay production, livestock farming, and general tillage work. It distinguished itself from smaller models with its increased power and heavier build, while offering a more economical alternative to larger models like the 4640.
Specifications
| Engine | John Deere 6.6L 130 HP Diesel |
|---|---|
| PTO HP | 110 HP @ 540/1000 RPM |
| Transmission | Quad-Range (16F/6R) or Syncro-Range (8F/2R) |
| Hydraulics | 30 GPM, 2-3 remotes |
| 3-Point Hitch | Category II, 5800 lbs |
| Fuel Capacity | 47 gallons |
| Weight | 12,500 lbs |
| Years Produced | 1977-1982 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250 hours of operation, using high-quality diesel engine oil meeting John Deere specifications.
- Hydraulic System: Inspect hydraulic fluid levels regularly and change the hydraulic filters every 500 hours. Use only John Deere Hy-Gard or equivalent hydraulic fluid. Check for leaks around hoses and cylinders.
- Fuel System: Drain the water separator regularly to prevent water contamination in the fuel system. Replace fuel filters every 500 hours to ensure clean fuel delivery.
- Seasonal Storage: Before storing the tractor for the off-season, fill the fuel tank to prevent condensation, change the engine oil and filter, and grease all fittings. Disconnect the battery and store it in a cool, dry place.
History & Background
The John Deere 4440 was launched in 1977 and quickly became a popular tractor during its time. It was part of the 'Iron Horse' series, featuring improved cabs and updated styling. The 4440 is remembered as a reliable and versatile tractor that contributed significantly to agricultural productivity in the late 1970s and early 1980s.
Frequently Asked Questions
What engine is in the John Deere 4440?
The John Deere 4440 is powered by a John Deere 6.6L (404 cu in) six-cylinder diesel engine, producing approximately 130 gross horsepower.
What is the PTO horsepower on a 4440?
The John Deere 4440 has a PTO horsepower rating of 110 HP. It can be configured for either 540 or 1000 RPM PTO speed, depending on the implement requirements.
What oil filter fits the 4440?
The John Deere 4440 typically uses a John Deere oil filter part number AR50041. Common cross-references include Wix 51794, and Baldwin B232.
What are common parts needed for the 4440?
Common parts needed for the John Deere 4440 include engine oil filters, fuel filters, hydraulic filters, belts (alternator/water pump), hydraulic cylinder seals, steering components (tie rod ends, drag links), clutch discs, and PTO clutch components.

R79606 - Tee Fitting
SKU: R79606
259 in stock

R79605 - Grommet
SKU: R79605
5681 in stock

R79604 - Injector NUT
SKU: R79604
200 in stock

R78702 - Intake Valve (Std) Insert
SKU: R78702
79 in stock

R76732 - Dowel; Clutch Plate Pin
SKU: R76732
90 in stock

R74008 - Connecting Rod Bushing
SKU: R74008
257 in stock

R71918 - Pan Gasket
SKU: R71918
124 in stock

R66452 - Connecting Rod Capscrew
SKU: R66452
2048 in stock

R64840 - Injector Washer
SKU: R64840
Out of stock

R62952 - Engine Oil Pump Tube
SKU: R62952
33 in stock

R60724 - Connecting Rod Bushing
SKU: R60724
12 in stock
R57771 - Piston 1.874 Pin
SKU: R57771
82 in stock

R56995 - Exhaust (Front) Manifold
SKU: R56995
29 in stock

R56994 - Exhaust Elbow
SKU: R56994
48 in stock

R56933 - Pan Gasket
SKU: R56933
5 in stock

R55078 - 3/8" X 1-1/2" Stud
SKU: R55078
91 in stock

R55058 - Exhaust (.015") Valve
SKU: R55058
54 in stock
R55057 - Intake (.015") Valve
SKU: R55057
20 in stock

R55056 - Exhaust (.003") Valve
SKU: R55056
14 in stock

R55055 - Intake (.003") Valve
SKU: R55055
141 in stock

R54500 - Turbo Mounting; Stainless Steel (4 pack) Screw
SKU: R54500
604 in stock

R53514 - Exhaust Elbow
SKU: R53514
37 in stock

R53108 - Starter Gasket
SKU: R53108
122 in stock

R52773 - Camshaft Follower
SKU: R52773
145 in stock
