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.

R11292 - Starter Solenoid
SKU: R11292
101 in stock

AT68973 - Relay Solenoid Switch
SKU: AT68973
395 in stock

AT168629 - Oil Pressure Sender
SKU: AT168629
96 in stock

AR75695 - 7 Pin (North America) Implement Lights Socket
SKU: AR75695
153 in stock

AR74411 - Accessory Relay
SKU: AR74411
225 in stock

AR64422 - Flasher Control Switch
SKU: AR64422
670 in stock

AR58126 - Ignition (12 Volt) Switch
SKU: AR58126
83 in stock

AR55827 - Voltage Regulator
SKU: AR55827
44 in stock

AR54445 - Light Switch Knob
SKU: AR54445
129 in stock

AR48724 - Light (12 Volt) Switch
SKU: AR48724
85 in stock

AR21823 - Horn/ Ether Start Aid (12 Volt) Switch
SKU: AR21823
76 in stock

AR21085 - Tachometer Cable
SKU: AR21085
126 in stock

AD2062R - Light Bulb
SKU: AD2062R
162 in stock

57M8340 - 7 Pin (North America) Implement Lights Plug
SKU: 57M8340
126 in stock

RE56991 - Top Link / Quick Lock; Cat. II Pin
SKU: RE56991
82 in stock

RE56211 - Center Link End
SKU: RE56211
45 in stock

RE44562 - Center Link Assembly
SKU: RE44562
10 in stock

RE44560 - Center Link Assembly
SKU: RE44560
49 in stock

RE11578 - Rear Draft Link Lock
SKU: RE11578
49 in stock

RB005 - Cat II Replacement Ball
SKU: RB005
424 in stock

R79916 - 1" Pin; Lift Link Upper End
SKU: R79916
74 in stock

R78214 - Drawbar Hammerstrap
SKU: R78214
76 in stock

R71476 - Drawbar Support Load Sensing Bushing
SKU: R71476
193 in stock

R67121 - Rockshaft Control Valve Housing Gasket
SKU: R67121
59 in stock
