John Deere 4440

John Deere 4440The John Deere 4440 is a 2WD or 4WD row-crop tractor from the Iron Horses series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1978 to 1982. The John Deere 4440 is equipped with a 7.6 L six-cylinder turbocharged diesel engine and one of two transmissions: John Deere Quad-Range with 16 forward and 6 reverse gears or John Deere PowerShift with 8 forward and 4 reverse gears.

The John Deere 4440 row-crop tractor used the John Deere engine. It is a 7.6 L, 7,636 cm2, (466 cu·in) six-cylinder turbocharged diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. The compression ratio rating is 14.9:1. This engine produced 132 PS (97 kW; 130 HP) of maximum horsepower. The John Deere diesel motor used a pressurized lubrication system with a full-flow filter; a direct injection fuel system with an in-line fuel pump; a dry type air filter with a safety element; a dual-pressure cooling system with centrifugal pump and dual heavy-duty thermostats.

The JD 4440 is equipped with full-power hydrostatic steering, hydraulic wet disc brakes, pedal-actuated hydraulic differential lock, Sound-Gard cab (open operator station with four-post ROPS was available as an option and 245 liters (64.7 US gal.; 53.9 Imp. gal) fuel tank.

The John Deere 4440 tractor used one of two transmissions:

  • John Deere Quad-Range: 2-speed power shifted planetary and 8-speed synchronized with hydraulically-operated, multiplate-disc wet clutch (Perma-Clutch)
  • John Deere PowerShift:: planetary gears, hydraulically-actuated wet disc clutches and brakes.

Following attachments are available for the JD 4440 tractor:

  • John Deere 148 loader
  • John Deere 158 loader

John Deere 4440 Specifications

General Specifications
Model John Deere 4440
Length 4,030 mm (158.7 in)
Width 2,080 mm (81.9 in)
Height 2,980 mm (117.3 in)
Wheel base 2,710 mm (106.7 in)
Weight 5,400 kg (11,905 lbs)
Fuel tank capacity 245 liters (65 US gal.; 53.9 Imp. gal)
Battery Two 6V CCA: 800, Group 5D
Cabin type Sound-Gard cab standard. Open operator station with four-post ROPS (option)
Engine
Engine model John Deere
Engine type Four-stroke, liquid-cooled, inline
Cylinders 6
Fuel type Diesel
Displacement 7.6 L, 7,636 cm2, (466 cu·in)
Bore and stroke 116.0 mm X 121.0 mm (4.57 in X 4.76 in)
Compression ratio 14.9:1
Firing order 1-5-3-6-2-4
Horsepower 132 PS (97 kW; 1302 HP)2
Starter Electric
Oil capacity: 15.0 L (15.85 US. qt, 13.2 Imp. qt.)
Coolant capacity: 34.0 L (35.93 US. qt, 29.92 Imp. qt.)
Intake valve clearance: 0.46 mm (0.018 in)
Exhaust valve clearance: 0.71 mm (0.028 in)
Transmission and chassis
Chassis 4×2 2WD or 4×4 HFWD 4WD
Steering type Full-power hydrostatic
Brakes Hydraulic wet disc
Differential lock Pedal-actuated hydraulic
Transmission model John Deere Quad-Range
Transmission type Partial power shift
Gears 16 forward and 6 reverse
Speed Forward: 27.2 kmh (16.9 mph) Reverse: 17.2 (10.7 mph)
Transmission oil capacity 2WD: 41.6 L (44 US. qt, 36.6 Imp. qt.)
4WD: 56.8 L (60 US. qt, 50 Imp. qt.)
Transmission model John Deere PowerShift
Transmission type Full power shift
Gears 8 forward and 4 reverse
Speed Forward: 29.8 kmh (18.5 mph) Reverse: 9.8 (6.1 mph)
Transmission oil capacity 2WD: 49.2 L (52 US. qt, 43.3 Imp. qt.)
4WD: 64.4 L (68 US. qt, 56.7 Imp. qt.)
Tires
Front tires Ag: 10.00-16
Rear tires Ag: 18.4-38
Three-Point Hitch
Caterogy IIIN/II
Control type
Lift capacity 3,060 kg (6,750 lbs)
PTO (Power take-off shaft)
Rear PTO type Independent with hydraulic multiplate-disc wet clutch
Rear PTO spped 540/1000 rpm
Hydraulic system
Hydraulic type Closed center
Pressure 2,250 psi (155 bar)
Valves 2 or 3
Pump flow 23.0 gpm (87.1 lpm)