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Home / Farm Tractors / John Deere Tractors / JD 4440

John Deere 4440 Tractor

The John Deere 4440 is an Iron horses series row crop tractor. This model was manufactured from 1978 to 1982. The components of JD 4440 powerline system: John Deere 6466T 4-stroke six-cylinder direct injection turbocharged diesel engine, and 16x6 Quad range partial powershift transmission or full powershift transmission with 8 forward and 4 reverse gears.

A 466 cu.in (7.6 L) engine output is 154 hp (115.1 kw), and maximum torque is 642 Nm (475 lb-ft) at 1500 rpm. The maximum forward speed - 18.6 mph (29.9 kph), max. reverse speed - 10.7 mph (17.2 kph).

The closed center hydraulic system includes a piston pump with a rated capacity of 23 gal/min (87.2 l/min). The hydraulic system pressure is 155 bar (2250 psi). The 2WD models are equipped with 11.0x16 front tires and 18.4x34 rear tires. The 14Lx16.1 front tires and 23.1x34 rear tires are used for 4WD tractors. The wheel base is 106.7" (2710 mm). Compatible attachments for the John Deere 4440 tractor: a 148 front end loader with a lift capacity to full height of 3100 lbs (1406 kg), or 158 front end loader with a lift capacity to full height of 3800 lbs (1723 kg).

Engine
Engine Model John Deere 6466T
Engine Type 4 Stroke, six-cylinder, direct injection turbocharged diesel
Number of Cylinders 6
Displacement, cu in (L) 466 (7.640)
Engine Bore, in (mm) 4.56 (115.8)
Engine Stroke, in (mm) 4.75 (120.6)
Aspiration Turbocharged
Rated Engine Power, hp (kW) 154.0 (115.1)
Rated Engine Speed, rpm 2200
Idle Speed, rpm 800-2400
Maximum Torque, Nm (lb-ft) 642 (475)
Torque Speed, rpm 1500
Compression 14.9:1
Firing Order 1-5-3-6-2-4
Fuel System Direct injection
Air Cleaner Dual dry element
Intake Valve Clearance, in (mm) 0.018 (0.457)
Exhaust Valve Clearance, in (mm) 0.028 (0.711)
Fuel Tank Capacity, gal (L) 65.0 (246.0)
Oil Capacity, qts (L) 16.0 (15.0)
Coolant Capacity, qts (L) 36.0 (34.2)
Electrical System Rating, Volts 12
Charging System Alternator
Alternator Rating, Amps 72/90

Power Take-Off
PTO Operational Type Independent
PTO Horsepower, hp (kW) 130.0 (97.0)
PTO Clutch Hydraulic disc
PTO Speed, rpm 540/1000

Standard Transmission
Transmission Type Quad Range
Gearbox Type 16F/6R, Partial powershift
Number of Forward Gears 16
Number of Reverse Gears 6
Clutch Type Wet disc
Oil Capacity (2WD), qts (L) 44.0 (41.5)
Oil Capacity (4WD), qts (L) 60.0 (56.8)
Maximum Speed (Forward), mph (kph) 16.9 (27.2)
Maximum Speed (Reverse), mph (kph) 10.7 (17.2)

Optional Transmission
Transmission Type Power Shift
Gearbox Type 8F/4R, Full powershift
Number of Forward Gears 8
Number of Reverse Gears 4
Clutch Type Wet disc
Oil Capacity (2WD), qts (L) 52.0 (49.2)
Oil Capacity (4WD), qts (L) 68.0 (64.4)
Maximum Forward Speed, mph (kph) 18.6 (29.9)
Maximum Reverse Speed, mph (kph) 5.9 (9.5)


Wheels and Tires
Drive Wheels 2WD/4WD
Steering Configuration Front steer
Steering System Power Steering
Brakes Type Differential hydraulic wet disc
Front Tire Size (2WD) 11.0x16
Rear Tire Size (2WD) 18.4x34
Front Tire Size (4WD) 14Lx16.1
Rear Tire Size (4WD) 23.1x34
Front Tread Width, in (mm) 55.7-93.2 (1410-2360)
Rear Tread Width, in (mm) 60-130 (1520-3300)

Hydraulic System
Hydraulic System Type Closed center
Implement Pump Flow, gpm (Lpm) 23.0 (87.2)
Hydraulic Pressure, Bar (psi) 155 (2250)
Hydraulic Capacity (PowerShift, 2WD), gal (L) 11.0 (41.5)
Hydraulic Capacity (PowerShift, 4WD), gal (L) 15.0 (56.8)
Hydraulic Capacity (Quad Range, 2WD), gal (L) 13.0 (49.2)
Hydraulic Capacity (Quad Range, 4WD), gal (L) 17.0 (64.5)
Number of Standard Remote Valves 2/3
3-Point Hitch Category 3N
Standard Lift Capacity at lift pin, lb (kg) 5710 (2590)
Optional Lift Capacity at lift pin, lb (kg) 6745 (3060)

Dimensions and Weight
Wheelbase, in (mm) 106.7 (2710)
Length, in (mm) 158.5 (4020)
Height (Cab), in (mm) 117.3 (2970)
Height (Exhaust), in (mm) 128.7 (3260)
Overall Width, in (mm) 96 (2430)
Ground Clearance, in (mm) 24.7 (620)
Turning Radius, in (mm) 145 (3700)
Shipping Weight, lb (kg) 11780 (5345)
Operating Weight, lb (kg) 13270 (6020)
Ballasted Weight, lb (kg) 15775 (7155)

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