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.

32240 - O-Ring Replacement (10 pk)
SKU: 32240
126 in stock

19M7170 - M10 X 50 Cap Screw
SKU: 19M7170
297 in stock

14B505 - 8" Self Locking Nylon Cable Ties
SKU: 14B505
12099 in stock

AT32332 - 90 Deg Hydraulic Elbow Fitting
SKU: AT32332
60 in stock

DR400A - Muffler Clamp
SKU: DR400A
Out of stock

AR86597 - Muffler
SKU: AR86597
44 in stock

AR86595 - Muffler
SKU: AR86595
96 in stock

T19079 - Detent Ball Retainer
SKU: T19079
7 in stock

RE53823 - Differential Disc
SKU: RE53823
76 in stock

RE36170 - Transmission Drive Shaft Assembly Disc
SKU: RE36170
848 in stock

RE29816 - Brake Piston/ Clutch Drum Disc
SKU: RE29816
257 in stock

RE29815 - Brake Piston/ Clutch Drum Disc
SKU: RE29815
209 in stock

RE28023 - Transmission Front Clutch Pack Disc
SKU: RE28023
354 in stock

RE23286 - PTO Clutch Disc
SKU: RE23286
775 in stock

RE191324 - Transmission Reverse Control Valve Cable
SKU: RE191324
12 in stock

RE17162 - Planetary Brake Disc
SKU: RE17162
356 in stock

R99556 - Neutral Start Switch Pin
SKU: R99556
Out of stock

R99386 - Clutch Valve Housing Gasket
SKU: R99386
58 in stock

R92411 - Rear Transmission Cover Gasket
SKU: R92411
82 in stock

R77671 - Steel Disc
SKU: R77671
93 in stock

R708 - (.182" X 1.171") Rivets
SKU: R708
5454 in stock

R70027 - PTO Clutch Pack C3 C2 Return C1 Spring
SKU: R70027
183 in stock

R63069 - Trans Drive Shaft Assembly Plate
SKU: R63069
513 in stock

R61983 - Upper Shifter Arm
SKU: R61983
1 in stock
