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.

HF6184J - Cartridge (QTY 1) Hydraulic Filter
SKU: HF6184J
Out of stock

HF6184 - Cartridge (QTY 6) Hydraulic Filter
SKU: HF6184
Out of stock

FS1205J - Box Style (QTY 1) Fuel Separator
SKU: FS1205J
Out of stock

FS1205 - Box Style (QTY 12) Fuel Separator
SKU: FS1205
9 in stock

FF203J - Box Style (QTY 1) Fuel Filter
SKU: FF203J
Out of stock

FF203 - Box Style (QTY 12) Fuel Filter
SKU: FF203
52 in stock

DZ101880 - Spin-on Lube Filter
SKU: DZ101880
176 in stock

AT17387 - Diesel Fuel Filter
SKU: AT17387
1391 in stock

AR94510 - Hydraulic Filter
SKU: AR94510
199 in stock

AR79680 - Secondary Air Filter
SKU: AR79680
67 in stock

AR50041 - Diesel Fuel Filter
SKU: AR50041
211 in stock

AR43634 - Oil Filter
SKU: AR43634
Out of stock

AF963 - Secondary (QTY 1) Air Filter
SKU: AF963
Out of stock

AF947 - Primary (QTY 1) Air Filter
SKU: AF947
Out of stock

333763S - Service (QTY 12) Gasket
SKU: 333763S
Out of stock

WBKJD8 - Wheel Bearing Kit
SKU: WBKJD8
117 in stock

WB916 - Front Wheel Bolt
SKU: WB916
4520 in stock

T29205 - Front Pivot Pin
SKU: T29205
83 in stock

T22875 - Steering Wheel
SKU: T22875
86 in stock

R72858 - Oil Seal
SKU: R72858
290 in stock

R65827 - Pivot Pin Rear Bushing
SKU: R65827
224 in stock

R61159 - Center Steering Arm
SKU: R61159
11 in stock

R61153 - Steering Arm (LH)
SKU: R61153
24 in stock

R61152 - Steering Arm (RH)
SKU: R61152
41 in stock
