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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 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 |
| PTO Operational Type |
Independent |
| PTO Horsepower, hp (kW) |
130.0 (97.0) |
| PTO Clutch |
Hydraulic disc |
| PTO Speed, rpm |
540/1000 |
| 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) |
| 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) |
| 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 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) |
| 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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| Farm Tractors Technical Specifications |
