The John Deere 4440 Quad Range features a “Quad Range” transmission that has the well known "4440 John Deere power" of four gears in four ranges. In each range, it has a power shift in pairs 1-2 and 3-4. It also has synchronized shifting ability between 2 and 3. The John Deere 4440 came with a standard 2 wheel drive with options of HFWD 4WD available. The 4440 is just one of the many tractors belongs produced by John Deere, along with others ranging from the John Deere 1020 and 2020 as well as the John Deere 420, 425, 430 and 455, and all the many other quality tractor attachments made by John Deere.
The shifting can get a little confusing when you begin using the 4440. The manual gives explanations and pictures but it is sometimes hard to understand. You must clutch and stop to shift between lettered ranges and you must clutch to shift between 2 and 3 or 3 and 2, ie: through neutral, but you don’t have to stop. You must clutch to stop and go into R1. 1-2 and 3-4, and R1-R2 are no clutch shift on the fly by moving the lever side to side to shift.
Advantage of the 4440
- The JD 4440 has two reverse speeds in A - C ranges. To be able to shift between these ranges requires the tractor to be completely stopped. This great machine has 8 forward speeds and 4 speeds in reverse.
- The engine on the John Deere 4440 has a 6 cylinder diesel engine with turbocharged aspiration. It also has a 36 qt. cooling system capacity.
- The 4440 has a closed center hydraulic system at 2250 psi. It has a power shift capacity 2WD: 11 gallons, Quad range 2wd: 13 gallons, Power shift 4WD: 15 gallons and Quad Range 4wd: 17 gallons.
- The 4440 is powered by an alternator at 61 amps (ROPS)/ 72 amps (Cab). Amps for start up was provided by using two six volt batteries to reach the needed 800 cold cranking amps needed.
History of the 4440 John Deere Quad Range
The John Deere 4440 was manufactured from 1978 to 1982 and was very much in demand at the time. It is a full sized farm and agricultural tractor that was found in two variations, the standard and the High-crop. The High-crop worked better for jobs that required a taller clearance or higher terrain to cover.
It is equipped to use either a 1,350 lb. Front loader, or 1,771 lb front loader. It has a three-point hitch that allows it to use many different types of compatible attachments. It sold new, in 1982 for around $44,000, but today you can find them for around $20,500 to $30,000.
As with any John Deere product they remain a solid work horse that is still used today for farming and agricultural jobs by some farmers. Keep them in shape and they will keep plugging along.