John Deere 4440 Row-Crop Tractors Specifications

Engine

The engine is a John Deere turbocharged diesel 6-cylinder liquid-cooled inline with a displacement of 466ci / 7.6L and a bore/stroke of 4.5625x4.75inches / 116x 121mm. It has a dry air cleaner with safety element and pre-heating with ether injection. The compression ratio is 14.9:1 and it is rated at 2200 RPM. The engine has an oil capacity of 16qts / 15.1L and a coolant capacity of 36qts / 34.1L. The intake valve clearance is 0.018inches / 0.457mm and the exhaust valve clearance is 0.028inches / 0.711mm.

Transmission

The transmission information is not specified in the data provided.

Brakes

The brakes are hydraulic wet disc brakes that are pedal-actuated. They are designed to provide reliable stopping power and are suitable for use in a variety of conditions. The John Deere 4440 model comes with differential lock that is also pedal-actuated and hydraulic. The brakes are designed to be durable and long-lasting, providing reliable performance over the life of the tractor. The Sound-Gard cab is standard on this model, with four-post ROPS available.

Steering

The steering is powered by the John Deere 7.6L 6-cylinder diesel engine. It is designed to be responsive and easy to use, providing precise control over the tractor. The steering system is designed to be durable and reliable, providing consistent performance over the life of the tractor. The John Deere 4440 model comes with power steering as standard.

Common Problems

One common problem that users have reported with the John Deere 4440 model is issues with the transmission, which can sometimes fail to engage or shift properly. Another issue that has been reported is problems with the hydraulic system, which can sometimes leak or fail to operate correctly. Some users have also reported issues with the brakes, which can wear out quickly or fail to provide adequate stopping power. Additionally, some users have reported issues with the engine, including problems with overheating or excessive oil consumption. Finally, some users have reported issues with the steering, which can sometimes feel loose or unresponsive.

What Users Like

Users appreciate the versatility of the John Deere 4440 model, which is suitable for use in a variety of applications. They also like the power and performance of the engine, which provides plenty of torque and horsepower for demanding tasks. The hydraulic system is also praised for its reliability and ease of use, while the brakes are noted for their stopping power and durability. Finally, users appreciate the comfortable and spacious cab, which provides a comfortable working environment for long hours in the field.

Techincal Specifications

Engine Detail
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
Engine
Description	John Deere 7.6L 6-cyl diesel
Mechanical
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
Tires
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 And Tires
Wheelbase	106.7inches / 271cm
Weight	11780 to 13270 pounds
Front Tire	10.00-16
Rear Tire	18.4-38
Serial Numbers
1979	14820
1989	56346
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
Electrical
Ground	negative
Charging System	alternator
Charging Amps	61 (ROPS)/72 (cab)
Batteries	2
Battery Cca	850
Battery Volts	6
Power Take Off Pto
Rear Pto	independent
Rear Rpm	540/1000 (1.375)
Transmissions
Description	16-speed partial power shift 8-speed full power shift
Serial Location
Description	Serial number plate on the rear of the 4440, above the PTO shaft