John Deere 7720/7820/7920 ⚙️ Specs

Technical specification of agricultural tractor John Deere 7720/7820/7920 :

Model John Deere 7720 John Deere 7820 John Deere 7920
Years of production
Engine model / type 6068T 4V-CR 6068T 4V-CR 6081T
Number of cylinders / turbocharging 6TI 6TI 6TI
Engine displacement (cm3) 6786 6786 8134
Piston dimension / stroke (mm) 106,5×127 106,5×127 115,9×128,5
Maximum engine power (hp) / rpm 197/1700 214/1700 234/1700
Torque (Nm) / rpm 824/1400 897/1400 969/1400
Number of gears (front + rear) 20+20 20+20
Number of synchronized gears (front+rear) 20+20 20+20
Speed-Shift 4 4
Type of reverse hydr hydr hydr
Driving speed (km/h) 2,4-40,0/0,05-40,0 2,4-40,0/0,05-40,0 0,05-40,0
Max Driving speed (km/h) 42/50 42/50 42/50
Hydraulic pump capacity (L/min) 120 120 120
3-Point Hitch control ehr ehr ehr
3-point hitch max load (kg) 9177 9177 9177
PTO speed (rpm) 540/1000 540/1000 1000
Disc brake type (dry / wet)
Type of control of the braking system hydr hydr hydr
Turning radius 2WD (m)
Turning radius 4WD (m) 10,57 10,57 10,57
Front wheel 2WD
Front wheel 4WD 600/65R28 600/65R28 600/70R30
Rear wheel 2WD
Rear wheel 4WD 620/70R42 620/70R42 710/70R42
2WD total weight (kg)
4WD total weight (kg) 7772 7772 7939
Total height with cabin (cm) 321 321 326
Total length (cm) 545 545 550
Total width (cm) 286 286 286
Fuel tank capacity (l) 392 392 392
Cabin sound level (dB) 72 72 72

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John Deere is a major American manufacturer of agricultural machinery. The first machine produced in 1836 was a plow that made tillage easier. In 1868, the company was incorporated as Deere & Company and in 1958 as John Deere-Delaware Company. John Deere machines are considered reliable, and as a result, are extremely popular.

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