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.

L39119 - Toolbox Bracket
SKU: L39119
323 in stock

JD4440TP - Hood Decal
SKU: JD4440TP
52 in stock

AR85336 - Battery Cover (LH)
SKU: AR85336
24 in stock

AR85335 - Battery Cover (RH)
SKU: AR85335
14 in stock

AR82256 - Side (RH) Shield
SKU: AR82256
36 in stock

AR81380 - Side (LH) Shield
SKU: AR81380
31 in stock

AR65461 - Side (RH/LH) Screen
SKU: AR65461
147 in stock

AA6092R - Step & Bracket Assembly
SKU: AA6092R
22 in stock

RMV120RH - RH Outer Rear View W/ Lower Wide Angle Mirror Mirror Head
SKU: RMV120RH
67 in stock

RMV120LH - LH Outer Rear View W/ Lower Wide Angle Mirror Mirror Head
SKU: RMV120LH
61 in stock

RE249465 - 198" Long Door / Window Weather Strip Seal
SKU: RE249465
199 in stock

RE240206 - Door Sealing Trim Weatherstrip
SKU: RE240206
26 in stock

RE240205 - Window Seal
SKU: RE240205
54 in stock

RE223615 - Air Circulation Filter Black Isolator Panel
SKU: RE223615
17 in stock

RE15998 - Door Sealing Trim Weatherstrip
SKU: RE15998
33 in stock

RE13288 - Air Circulation Filter Brown Isolator Panel
SKU: RE13288
64 in stock

R83716 - Right Hand Upper Door Seal Cab Seal Weatherstrip
SKU: R83716
31 in stock

R66375 - Rear (Rubber Mount) Isolator
SKU: R66375
7759 in stock

R66374 - Isolator (Rubber Mount)
SKU: R66374
125 in stock

R65570 - Cab Door Hinge Bushing
SKU: R65570
1058 in stock

R50758 - For Apps W / Latch Rear Glass
SKU: R50758
82 in stock

R50757 - Side (RH/LH) Glass
SKU: R50757
74 in stock

R50756 - Lower (LH) Door Glass
SKU: R50756
27 in stock

R50755 - Upper (LH) Door Glass
SKU: R50755
30 in stock
