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John Deere 2850 Specifications
JD 2850 Engine Technical Data
Engine Model .................... JD 4239-TL
Engine Type .................... 4 Cycle, 4-cylinder, turbocharged
diesel
Number of Cylinders .................... 4
Displacement, cu in (L) .................... 239.0 (3.9)
Engine Bore, in (mm) .................... 4.20 (106.0)
Engine Stroke, in (mm) .................... 4.32 (110.0)
Aspiration .................... Turbocharged
Rated Engine Power, hp (kW) .................... 86.0 (64.1)
Rated Engine Speed, rpm .................... 2300
Low Idle Speed, rpm .................... 950
High Idle Speed, rpm .................... 2750
Maximum Torque, Nm (lb-ft) .................... 315 (232)
Torque Speed, rpm .................... 1500
Compression .................... 16.8:1
Firing Order .................... 1-3-4-2
Fuel System .................... Direct injection
Fuel Tank Capacity, gal (L) .................... 22.2 (84.0)
Oil Capacity, qts (L) .................... 9.0 (8.5)
Coolant Capacity, qts (L) .................... 15.9 (15.0)
Electrical System Rating, Volts .................... 12
Charging System .................... Alternator
Alternator Rating, Amps .................... 55
John Deere 2850 Power Take-Off
PTO Horsepower, hp (kW) .................... 71.5 (53.1)
PTO Clutch .................... Hydraulic wet disc
Rear PTO Operational Type .................... Independent
Front PTO Operational Type .................... Independent
Rear PTO Speed, rpm .................... 540/1000
Front PTO Speed, rpm .................... 1000
Rear PTO / Engine Speed, rpm .................... 540/2070, 1000/2172
Front PTO / Engine Speed, rpm .................... 1000/2172
JD 2850 Transmission
Transmission Type .................... Hi-Lo
Gearbox Type .................... 16F/8R, 2-Speed powershift
Number of Forward Gears .................... 16
Number of Reverse Gears .................... 8
Clutch Type .................... Hydraulic
Clutch Disc Type .................... Cerametallic
Maximum Forward Speed, mph (kph) .................... 17.7 (28.5)
Maximum Reverse Speed, mph (kph) .................... 7.7 (12.4)
Service Brake .................... Hydraulic wet disc
John Deere 2850 Wheels and Tires
Drive Wheels .................... 2WD/4WD
Steering Configuration .................... Front steer
Steering System .................... Power Steering
Front Tire Size (2WD) .................... 10.0x16
Rear Tire Size (2WD) .................... 14.9x38
Front Tire Size (4WD) .................... 12.4x28
Rear Tire Size (4WD) .................... 14.9x38
Front Track Width (2WD), in (mm) .................... 59.1-79.1
(1350-2000)
Front Track Width (4WD), in (mm) .................... 53.5-79.1
(1500-2000)
Rear Track Width, in (mm) .................... 59.1-78.7 (1500-1990)
JD 2850 Hydraulics and Hitch
Hydraulic System Type .................... Closed center constant
pressure
Implement Pump Flow, gpm (Lpm) .................... 11.6 (44.0)
Hydraulic Pressure, Bar (psi) .................... 190 (2755)
Rear Hitch Category .................... 2
Front Hitch Category .................... 2
Draft Sensing or Lift Control .................... Position and draft
control
Rear Lift Capacity (2WD), lb (kg) .................... 8000 (3630)
Rear Lift Capacity (4WD), lb (kg) .................... 8820 (4000)
Front Lift Capacity, lb (kg) .................... 3595 (1630)
John Deere 2850 Dimensions and Weight
Wheelbase (2WD), in (mm) .................... 89.2 (2260)
Wheelbase (4WD), in (mm) .................... 90 (2280)
Length, in (mm) .................... 167.1 (4240)
Height (Cab), in (mm) .................... 105.8 (2680)
Overall Width, in (mm) .................... 81.4 (2060)
Ground Clearance (2WD), in (mm) .................... 26.5 (670)
Ground Clearance (4WD), in (mm) .................... 20.5 (520)
Turning Radius (2WD), in (mm) .................... 150 (3800)
Turning Radius (4WD), in (mm) .................... 166 (4200)
Weight (2WD), lb (kg) .................... 7695 (3490)
Weight (4WD), lb (kg) .................... 8650 (3925)
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JOHN DEERE TRACTORS SPECIFICATIONS |
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JOHN DEERE TRACTORS ATTACHMENTS | ||||
1023E | 2025R | 2210 | 2520 | 3032E |
3046R | 3520 | 4066R | 4105 | 4200 |
4320 | 4400 | 4520 | 4600 | 4720 |
430 | 420 | 455 | X300 | X350 |
X485 | X500 | X590 | X700 | X738 |
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JOHN DEERE FRONT END LOADERS |
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JOHN DEERE TRACTORS MAINTENANCE |
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JOHN DEERE TRACTORS TROUBLESHOOTING | ||||
2640 | 3040 | 3310 | 3650 | 4100 |
5050D | 5090R | 5410 | 6105R | 7200R |
E130 | L111 | LA110 | LT155 | X300R |
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