John Deere 4440
Power
144 hp[P] hp
Production
1978-1982
Engine
Turbocharged diesel, 6-cylinder
Transmission
John Deere Quad-Range
Drive
2WD/4WD
From the same series:
Introduction
John Deere 4440 Row-Crop Tractor
The John Deere 4440 is a row-crop tractor produced in Waterloo, Iowa, between 1978 and 1982. As a flagship model of the 'Iron Horses' series, it was engineered for high-output agricultural operations, featuring a 144 hp turbocharged diesel engine and a robust chassis design.
Engine and Performance
The tractor is powered by a 7.6-liter (466 ci) 6-cylinder liquid-cooled turbocharged diesel engine. It operates at a rated speed of 2200 RPM with a compression ratio of 14.9:1. The engine includes ether injection for cold-start assistance and utilizes a dry air cleaner with a safety element.
Transmission and Drivetrain
Two primary transmission options were available: the Quad-Range, a 16-speed partial power shift transmission with four gears in four ranges, and the 8-speed full PowerShift, which allows for clutchless gear changes under load. Both versions were offered in either 2WD or 4WD configurations, with hydraulically actuated wet disc brakes and a pedal-actuated differential lock.
Hydraulics and Hitch
The 4440 utilizes a closed-center hydraulic system providing a pump flow of 23 gpm (87.1 lpm) at a system pressure of 2250 psi. It is equipped with a Category IIIN/II rear three-point hitch, offering a standard lift capacity of 5,710 lbs (2590 kg), with an optional upgrade to 6,744 lbs (3059 kg).
Operator Environment and Dimensions
Standard operator protection includes the Sound-Gard cab, with a four-post ROPS option also available. The tractor has a wheelbase of 106.7 inches (271 cm) and a total length of 158.5 inches (402 cm). Notable design features include rack-and-pinion rear axles to facilitate tread width adjustments for various row spacings.
Conclusion
The John Deere 4440 remains a benchmark for durability and mechanical versatility from its era. Its combination of a high-torque engine, flexible transmission choices, and adjustable rear axle configurations makes it well-suited for heavy-duty field work and a wide range of row-crop applications.
Videos
Production Information of John Deere, 4440
- Row-Crop tractor
- 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.
- Built in Waterloo, Iowa, USA
| Manufacturer | John Deere |
|---|---|
| Manufacturer(optional) | $45,141 (1982 Power Shift Cab 2WD ) |
| Original price | $38,397 (1982 Quad-Range ROPS 2WD ) |
Dimension and Tires Information of John Deere, 4440
| Wheelbase | 106.7 inches [271 cm] |
|---|---|
| Rear tread | 60 to 130 inches [152 to 330 cm] |
| Front tread | 55.7 to 93.2 inches [141 to 236 cm] |
| Front tread(optional) | 109 inches (long axle) [276 cm] |
| Clearance (front axle) | 24.7 inches [62 cm] |
| Width | 96 inches [243 cm] |
| Rack-and-pinion rear axle | 3.39 by 96 inches [86 by 2438 mm] |
| Clearance (drawbar) | 15.7 inches [39 cm] |
| Clearance (drawbar)(optional) | 119 inches (long axle) [302 cm] |
| Length | 158.5 inches [402 cm] |
| Height (exhaust) | 128.7 inches [326 cm] |
| Clearance (rear axle) | 28 inches [71 cm] |
| Height (cab) | 117.3 inches [297 cm] |
| Rack-and-pinion rear axle | 3.62 by 119 inches [91 by 3022 mm] |
| Rack-and-pinion rear axle | 3.62 by 109 inches [91 by 2768 mm] |
| Rack-and-pinion rear axle | 3.62 by 96 inches [91 by 2438 mm] |
| Ag front | 10.00-16 |
|---|---|
| Ag rear | 23.1-30 |
| Ag rear(optional) | 14L-16.1 |
| Ag rear | 18.4-38 |
| Ag rear(optional) | 23.1-34 |
| Ag rear(optional) | 18.4-34 |
| Ag front | 11.00-16 |
| Ag front(optional) | 16.9-38 |
| Ag front(optional) | 15.5-38 |
| Ag front(optional) | 20.8-34 |
Engine Specifications of John Deere, 4440
- John Deere
- Liquid-cooled inline
- Turbocharged diesel
- 6-cylinder
| Coolant capacity | 36 qts [34.1 L] |
|---|---|
| Oil capacity | 16 qts [15.1 L] |
| Pre-heating | Ether injection |
| Intake valve clearance | 0.018 inches [0.457 mm] |
| Rated RPM | 2200 |
| Idle RPM | 800-2400 |
| Compression | 14.9:1 |
| Displacement | 466 ci [7.6 L] |
| Air cleaner | Dry with safety element |
| Bore/Stroke | 4.5625x4.75 inches [116 x 121 mm] |
| Starter volts | 12 |
| Exhaust valve clearance | 0.028 inches [0.711 mm] |
| Firing order | 1-5-3-6-2-4 |
| Operating RPM | 1500-2200 |
Transmission Information of John Deere, 4440
Transmission variants 1
- Four 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 hy a hydraulically-controlled planetary that provides an overdrive to each gear.
| Transmission | John Deere Quad-Range |
|---|---|
| Transmission(optional) | 60 qts (4WD) [56.8 L] |
| Oil capacity | 44 qts (2WD) [41.6 L] |
| Type | Partial power shift |
| Gears | 16 forward and 6 reverse |
Transmission variants 2
- Clutchless 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.
| Transmission | John Deere PowerShift |
|---|---|
| Transmission(optional) | 68 qts (4WD) [64.4 L] |
| Oil capacity | 52 qts (2WD) [49.2 L] |
| Type | Full power shift |
| Gears | 8 forward and 4 reverse |
- 16-speed partial power shift
- 8-speed full power shift
Mechanical Specs of John Deere, 4440
- Differential hydraulic wet disc brakes
- Power steering
- Sound-Gard cab standard. Four-post ROPS available.
| Drive | 4x2 2WD |
|---|---|
| Drive(optional) | 4x4 HFWD 4WD |
| Differential lock | Pedal-actuated hydraulic |
Power Information of John Deere, 4440
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540/1000 (1.375) |
Hydraulics Specifications of John Deere, 4440
| Valves | 2 or 3 |
|---|---|
| Type | Closed center |
| Type(optional) | 17 gal (Quad-Range 4WD) [64.3 L] |
| Type(optional) | 15 gal (Power Shift 4WD) [56.8 L] |
| Capacity | 11 gal (Power Shift 2WD) [41.6 L] |
| Pump flow | 23 gpm [87.1 lpm] |
| Pressure | 2250 psi [155.1 bar] |
| Pressure(optional) | 13 gal (Quad-Range 2WD) [49.2 L] |
Three-Point Hitch of John Deere, 4440
| Rear Type | IIIN/II |
|---|---|
| Rear lift | 5,710 lbs [2590 kg] |
| Rear lift(optional) | 6,744 lbs [3059 kg] |
Electrical System of John Deere, 4440
| Battery volts | 6 |
|---|---|
| Ground | Negative |
| Batteries | 2 |
| Batteries(optional) | 72 (cab) |
| Charging system | Alternator |
| Battery CCA | 850 |
| Charging amps | 61 (ROPS) |
Where it sits
With 144 hp[P] HP, the John Deere 4440 sits between 4430 (138 HP) and 4450 (158 HP) in John Deere's range. Its power puts it in the 81th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the John Deere 4440 have?
The John Deere 4440 delivers 144 hp[P] HP.
What years was the John Deere 4440 produced?
The John Deere 4440 was produced in 1978-1982.
What engine does the John Deere 4440 have?
The John Deere 4440 is powered by a Turbocharged diesel, 6-cylinder engine.
What transmission does the John Deere 4440 use?
The John Deere 4440 uses a John Deere Quad-Range transmission.
Is the John Deere 4440 4WD?
The John Deere 4440 is available in 2WD/4WD.