| Manufacturer |
John Deere |
| Price |
45,141(USD) |
| Model |
4440 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Waterloo, Iowa, USA |
ENGINE DETAIL
The John Deere 4440 is equipped with a turbocharged 7.6L diesel engine that delivers robust power with a high compression ratio of 14.9:1, optimizing fuel efficiency and performance under load. Its operating RPM range of 1500-2200 is ideal for various agricultural tasks, but attention should be given to the valve clearances (intake: 0.018in, exhaust: 0.028in) for optimal engine performance and longevity. The air cleaner's dry filtration and ether injection pre-heating system are beneficial for cold starts, though they can require regular maintenance to ensure air quality and system reliability.
| Description |
John Deere turbocharged diesel 6-cylinder liquid-cooled inline |
| Displacement |
466ci / 7.6L |
| Bore/Stroke |
4.5625x4.75inches / 116x 121mm |
| Air cleaner |
dry with safety element |
| Pre-heating |
ether injection |
| Compression |
14.9:1 |
| Rated RPM |
2200 |
| Idle RPM |
800-2400 |
| Operating RPM |
1500-2200 |
| Firing order |
1-5-3-6-2-4 |
| Starter volts |
12 |
| Oil capacity |
16qts / 15.1L |
| Coolant capacity |
36qts / 34.1L |
| Intake valve clearance |
0.018inches / 0.457mm |
| Exhaust valve clearance |
0.028inches / 0.711mm |
JOHN DEERE 4440 ENGINE
The John Deere 4440 features a robust 7.6L 6-cylinder diesel engine, renowned for its durability and efficiency in demanding agricultural applications. Its power output, combined with a strong hydraulic system, provides excellent performance for heavy-duty tasks such as plowing and towing. However, the complexity of the engine's components can lead to higher maintenance costs, making regular upkeep essential for optimal operation and longevity.
| Description |
John Deere 7.6L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 4440 features a robust transmission system with a 16-speed partial power shift and an 8-speed full power shift option, enhancing its versatility for varying field conditions. The partial power shift allows for smoother gear changes under load, improving efficiency and performance, while the full power shift can be beneficial for applications requiring consistent speed control, such as plowing and tilling. Challenges may include a steeper learning curve for operators unfamiliar with power shift systems and potential increased maintenance needs due to the complexity of the transmission.
| Description |
16-speed partial power shift 8-speed full power shift |
TRANSMISSION 1
The John Deere 4440 features a Quad-Range transmission offering 16 forward and 6 reverse gears, which enhances operational flexibility for various field tasks. Its partial power shift system, allowing for swift gear changes within specific ranges, is advantageous for maintaining engine efficiency, though it requires the tractor to be stationary for range shifts, potentially impacting workflow speed. With an oil capacity of 44 quarts for 2WD and 60 quarts for 4WD, routine maintenance and lubrication are manageable, but attention to hydraulic fluid levels is essential to ensure optimal performance of the power shift mechanism.
| Transmission |
John Deere Quad-Range |
| Type |
partial power shift |
| Gears |
16 forward and 6 reverse |
| Oil capacity |
44qts (2WD) / 41.6L 60qts (4WD) / 56.8L |
| Description |
Four gears (1-4) in four ranges (A-D). Power shift between pairs 1-2 and 3-4 in each range, with synchronized shift between 2-3. Two reverses in ranges A-C. Tractor must be stopped, and clutch used, to shift ranges. Power shift is provided hy a hydraulically-controlled planetary that provides an overdrive to each gear |
SPEEDS 1
| Description |
With 18.4-38 rear tires |
TRANSMISSION 2
The John Deere 4440 features a full PowerShift transmission, enabling smooth, clutchless shifting across 8 forward and 4 reverse gears, which enhances operational efficiency and minimizes operator fatigue during transport and fieldwork. Its oil capacity varies between 52 quarts for 2WD and 68 quarts for 4WD, ensuring optimal lubrication and performance regardless of the drivetrain choice. The inching pedal facilitates precise control when connecting implements, making it ideal for tasks requiring accuracy, albeit potentially challenging for operators unaccustomed to sophisticated transmission systems.
| Transmission |
John Deere PowerShift |
| Type |
full power shift |
| Gears |
8 forward and 4 reverse |
| Oil capacity |
52qts (2WD) / 49.2L 68qts (4WD) / 64.4L |
| Description |
Clutchless shift-on-the-move power shift between all eight forward and four reverse gears. Inching pedal provided for hooking up implements and other precision work |
SPEEDS 2
| Description |
With 18.4-38 rear tires |
JOHN DEERE 4440 TRANSMISSIONS
The John Deere 4440 features a versatile transmission system offering both a 16-speed partial power shift and an 8-speed full power shift, allowing for enhanced control over a wide range of operating conditions. The partial power shift provides finer control during variable load scenarios, while the full power shift is ideal for consistent power delivery in steady-state operations. This dual-transmission capability can lead to improved productivity in tasks such as plowing or hauling, but operators may need time to adapt to the varying shift patterns.
| Description |
16-speed partial power shift 8-speed full power shift |
MECHANICAL
The John Deere 4440 features a versatile 4x2 drive with optional 4WD, enhancing traction in diverse farming scenarios. Its pedal-actuated hydraulic differential lock offers improved maneuverability on uneven terrain but may require operator skill to maximize effectiveness. The integrated Sound-Gard cab with ROPS ensures operator comfort and safety while reducing noise levels, enriching the overall usability of the tractor in various applications.
| Drive |
4x2 2WD/4x4 HFWD 4WD |
| Differential lock |
pedal-actuated hydraulic |
| Description |
Power steering Differential hydraulic wet disc brakes Sound-Gard cab standard. Four-post ROPS available |
CAPACITY
| Fuel |
65gal / 246.0L |
| Hydraulic system |
11gal (Power Shift 2WD) / 41.6L 13gal (Quad-Range 2WD) / 49.2L 15gal (Power Shift 4WD) / 56.8L 17gal (Quad-Range 4WD) / 64.3L |
HYDRAULICS
| Type |
closed center |
| Capacitt |
11gal (Power Shift 2WD) / 41.6L 13gal (Quad-Range 2WD) / 49.2L 15gal (Power Shift 4WD) / 56.8L 17gal (Quad-Range 4WD) / 64.3L |
| Pressure |
2250psi / 155.1bar |
| Valve |
2 or 3 |
| Pump flow |
23gpm / 87.1lpm |
TRACTOR HITCH
| Rear Type |
IIIN/II |
| Rear lift |
5,710lbs / 2590kg 6,744lbsOptOptional / 3059kg |
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540/1000 (1.375) |
JOHN DEERE 4440 TIRES
The John Deere 4440 tractor features versatile ag tire options, enabling adaptability for various field conditions. Its front tire size of 11.00-16 gives good load-bearing capacity, while the rear tire options range from 18.4-34 to 23.1-30, allowing users to select based on their specific traction and flotation needs. Choosing the right tire size can optimize performance in different farming scenarios, balancing stability and mobility on diverse terrains—consider potential trade-offs in soil compaction versus traction.
| Ag front |
11.00-16 |
| Ag rear |
23.1-30 / 18.4-34 / 20.8-34 / 23.1-34 / 15.5-38 / 16.9-38 / 20.8-38 |
DIMENSIONS & TIRES
The John Deere 4440 features a 106.7-inch wheelbase, providing stability during heavy towing and field operations. With a weight range of 11,780 to 13,270 pounds, this tractor offers substantial traction, beneficial in varied agricultural applications, but may present challenges in mobility on soft ground. The tire sizes, 10.00-16 in front and 18.4-38 in rear, enhance grip and flotation, crucial for tackling diverse terrains without compromising performance.
| Wheelbase |
106.7inches / 271cm |
| Weight |
11780 to 13270 pounds |
| Front tire |
10.00-16 |
| Rear tire |
18.4-38 |
4440 SERIAL NUMBERS
4440 SERIAL LOCATION
| Description |
Serial number plate on the rear of the 4440, above the PTO shaft |
ELECTRICAL
| Ground |
negative |
| Charging system |
alternator |
| Charging amps |
61 (ROPS)/72 (cab) |
| Batteries |
2 |
| Battery CCA |
850 |
| Battery volts |
6 |
