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.

R59698 - Pinion Shaft
SKU: R59698
16 in stock

R59696 - Used w/ A-R59698 Shaft Pinion Gear
SKU: R59696
24 in stock

R58758 - Brake Center Plate
SKU: R58758
41 in stock

R57345 - PTO Clutch & Brake Plate
SKU: R57345
49 in stock

R56548 - PTO Clutch & Brake Plate
SKU: R56548
214 in stock

R53169 - Transmission / Hydraulic Oil Pump; Nylon Screen
SKU: R53169
158 in stock

R52169 - Brake Operating Rod Guide
SKU: R52169
143 in stock

R50825 - Transmission Oil Pump Shaft
SKU: R50825
94 in stock

R50152 - Brake Piston & Clutch Drum Plate
SKU: R50152
209 in stock

R48236 - Planetary Brakes/Clutch Pack Plate
SKU: R48236
30 in stock

R48235 - 4th Planetary Brake/Clutch Pack Plate
SKU: R48235
2 in stock

R46418 - Trans Rear Clutch Pack Plate
SKU: R46418
347 in stock

R45205 - Clutch Oil Manifold Bushing
SKU: R45205
45 in stock

R43752 - Sealing; Power Shift Clutch Manifold Ring
SKU: R43752
62 in stock

R40912 - Transmission Cover Gasket
SKU: R40912
77 in stock

R39322 - Clutch / Brake Sealing Ring
SKU: R39322
130 in stock

R39304 - Packing (2 PK) Washer
SKU: R39304
383 in stock

R39259 - Brake Piston & Clutch Drum Plate
SKU: R39259
74 in stock

R38181 - Retainer Fitting
SKU: R38181
4 in stock

R33425 - Transmission Case Cover Gasket
SKU: R33425
224 in stock

R26066 - Shift Collar
SKU: R26066
39 in stock

R111122 - Metallic Brake Pads
SKU: R111122
2371 in stock
R110464 - Metallic Brake Pads
SKU: R110464
800 in stock

R100637 - Rear Axle Housing Gasket
SKU: R100637
362 in stock
