John Deere

John Deere 4440

The John Deere model 4440 was the most popular tractor of the Iron Horses series. It was produced from 1978 to 1982 in Waterloo, Iowa, USA. The tractor features a John Deere 7.6L 6-cylinder turbocharged diesel engine, with a displacement of 466 ci (7.6 L). It offers transmission options including a 16-speed partial power shift and an 8-speed full power shift. The tractor has a drawbar power of 112 hp (claimed) and PTO power of 130 hp (claimed). It includes features such as differential lock, power steering, and a Sound-Gard cab as standard. The 4440 supports various hydraulic capacities and has a rear hitch lift capacity up to 6,744 lbs (optional). Dimensions include a wheelbase of 106.7 inches and operating weight around 13,270 lbs. Electrical system is negative ground with a 61 or 72 amp alternator depending on configuration. The 4440 was available in row-crop and high-clearance variants.

Power144 hp[P]

Founded1978 - 1982

Model4440

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Technical Specifications

Detailed specifications and technical data for John Deere 4440

Power

PTO (tested)	130.58 hp (97.4 kW)
PTO (claimed)	130 hp (96.9 kW)
Drawbar (tested)	112.69 hp (84.0 kW)
Drawbar (claimed)	112 hp (83.5 kW)

Engine

Type	John Deere 7.6L 6-cyl diesel turbocharged diesel
Idle RPM	800-2400
Rated RPM	2200
Air cleaner	dry with safety element
Bore/Stroke	4.5625x4.75 inches (116 x 121 mm)
Pre-heating	ether injection
Displacement	466 ci (7.6 L)
Firing order	1-5-3-6-2-4
Oil capacity	16 qts (15.1 L)
Configuration	liquid-cooled inline
Operating RPM	1500-2200
Starter volts	12
Coolant capacity	36 qts (34.1 L)
Compression ratio	14.9:1
Intake valve clearance	0.018 inches (0.457 mm)
Exhaust valve clearance	0.028 inches (0.711 mm)

Weight

Shipping	11780 lbs (5343 kg)
Ballasted	15775 lbs (7155 kg)
Operating	13270 lbs (6019 kg)

Capacity

Fuel	65 gal (246.0 L)
Hydraulic system	11 gal (Power Shift 2WD) (41.6 L), 13 gal (Quad-Range 2WD) (49.2 L), 15 gal (Power Shift 4WD) (56.8 L), 17 gal (Quad-Range 4WD) (64.3 L)

Variants

4440	row-crop
4440 Hi-Crop	high-clearance

Electrical

Ground	negative
Batteries	2
Battery CCA	850
Battery volts	6
Charging amps	61 (ROPS), 72 (cab)
Charging system	alternator

Hydraulics

Type	closed center
Valves	2 or 3
Capacity	11 gal (Power Shift 2WD) (41.6 L), 13 gal (Quad-Range 2WD) (49.2 L), 15 gal (Power Shift 4WD) (56.8 L), 17 gal (Quad-Range 4WD) (64.3 L)
Pressure	2250 psi (155.1 bar)
Pump flow	23 gpm (87.1 lpm)

Mechanical

Cab	Sound-Gard cab standard. Four-post ROPS available.
Drive	4x2 2WD, 4x4 HFWD 4WD
Brakes	Differential hydraulic wet disc brakes
Power steering	Yes
Differential lock	pedal-actuated hydraulic

Production

Type	Row-Crop tractor
Notes	The John Deere model 4440 was the most popular tractor of the Iron Horses series. At the end of the first production year, serial number 010329, the rear axle size was increased from 86mm to 92mm.
Series	Iron Horses Series
Built in	Waterloo, Iowa, USA
Original price	$38,397 (1982 Quad-Range ROPS 2WD), $45,141 (1982 Power Shift Cab 2WD)
Years produced	1978 - 1982

Attachments

Options	front-end loader

Transmission

Options	16-speed partial power shift, 8-speed full power shift
John Deere PowerShift	Typefull power shift Gears8 forward and 4 reverse DescriptionClutchless 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. Oil capacity52 qts (2WD) (49.2 L), 68 qts (4WD) (64.4 L)
John Deere Quad-Range	Typepartial power shift Gears16 forward and 6 reverse DescriptionFour 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 by a hydraulically-controlled planetary that provides an overdrive to each gear. Oil capacity44 qts (2WD) (41.6 L), 60 qts (4WD) (56.8 L)

Tractor hitch

Rear Type	IIIN/II
Rear lift	5,710 lbs (2590 kg), 6,744 lbs Optional (3059 kg)

Serial Numbers

1978	1000
1979	14820
1980	29539
1981	42665
1982	56346
Serial number location	Serial number plate on the rear of the 4440, above the PTO shaft.

Dimensions & Tires

Width	96 inches (243 cm), 109 inches (long axle) (276 cm), 119 inches (long axle) (302 cm)
Length	158.5 inches (402 cm)
Rear tire	18.4-38, 23.1-30, 18.4-34, 20.8-34, 23.1-34, 15.5-38, 16.9-38, 20.8-38
Wheelbase	106.7 inches (271 cm)
Front tire	10.00-16, 11.00-16, 14L-16.1
Rear tread	60 to 130 inches (152 to 330 cm)
Front tread	55.7 to 93.2 inches (141 to 236 cm)
Height (cab)	117.3 inches (297 cm)
Height (exhaust)	128.7 inches (326 cm)
Clearance (drawbar)	15.7 inches (39 cm)
Clearance (rear axle)	28 inches (71 cm)
Clearance (front axle)	24.7 inches (62 cm)
Rack-and-pinion rear axle	3.39 by 96 inches (86 by 2438 mm), 3.62 by 96 inches (91 by 2438 mm), 3.62 by 109 inches (91 by 2768 mm), 3.62 by 119 inches (91 by 3022 mm)