John Deere 8120 Specifications

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Engine Horsepower: 208 hp

Manufactured: 2002 to 2005

John Deere 8120 Summary

The John Deere 8120 was produced from 2002 to 2005 as part of the 8020 Series. This row-crop tractor was manufactured in Waterloo, Iowa, USA. It has an engine with a gross horsepower of 208 hp, a net horsepower of 200 hp, a maximum horsepower of 230 hp, and a PTO claimed horsepower of 170 hp. There are two variants: the 8120, a wheeled tractor, and the 8120T, a crawler.

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John Deere 8120 Horsepower, Weight, and Specifications:

Production

What are the production details of the John Deere 8120?

  • Manufacturer: John Deere
  • Type: Row-Crop tractor
  • Factory: Waterloo, Iowa, USA

Variants

What variants does the John Deere 8120 have?

  • 8120: Wheeled tractor
  • 8120T: Crawler

Horsepower

What is the horsepower of the John Deere 8120?

  • Engine (gross): 208 hp (155.1 kW)
  • Engine (net): 200 hp (149.1 kW)
  • Engine (max): 230 hp (171.5 kW)
  • PTO (claimed): 170 hp (126.8 kW)
  • Drawbar (tested): 148.45 hp (110.7 kW)
  • PTO (tested): 199.71 hp (148.9 kW)

Engine

What engine does the John Deere 8120 have?

  • Model: John Deere 8.1L 6-cyl diesel

Mechanical

What are the mechanical features of the John Deere 8120?

  • Chassis: 4x2 2WD, 4x4 MFWD 4WD
  • Steering: Hydrostatic power
  • Brakes: Hydraulic wet disc
  • Cab: Cab standard
  • Transmission: 16-speed full power shift

Capacity

What are the capacities of the John Deere 8120?

  • Fuel: 135 gal (511.0 L); 160 gal (605.6 L) optional
  • Hydraulic system: 37 gal (140.0 L); 39.6 gal (149.9 L) with ILS
  • Front hubs: 3.6 qts (3.4 L); 4.2 qts (4.0 L) with ILS
  • Front diff.: 14.2 qts (13.4 L)

Hydraulics

What are the hydraulic characteristics of the John Deere 8120?

  • Type: Closed center pressure-flow compensated (PFC)
  • Capacity: 37 gal (140.0 L); 39.6 gal (149.9 L) with ILS
  • Pressure: 2900 psi (200.0 bar)
  • Valves: 5
  • SCV flow: 30 gpm (113.6 lpm)
  • Total flow: 33.5 gpm (126.8 lpm) with standard 45cc pump; 42.5 gpm (160.9 lpm) with optional 57cc pump

Tractor Hitch

What are the hitch capabilities of the John Deere 8120?

  • Rear Type: III, IIIN
  • Rear lift: 12,300 lbs (5579 kg); 15,180 lbs (6885 kg) optional
  • Front Hitch: IIIN (optional)
  • Front lift: 11,000 lbs (4989 kg)

Power Take-off (PTO)

What are the PTO specifications of the John Deere 8120?

  • Rear PTO: Independent
  • Clutch: Hydraulic wet discs
  • Rear RPM: 1000 (1.75); 540/1000 (1.375 optional)
  • Engine RPM: 540@1975; 1000@2200

Dimensions & Tires

What are the dimensions and tire specifics of the John Deere 8120?

  • 2WD Wheelbase: 123.6 inches (313 cm)
  • 4WD Wheelbase: 116.9 inches (296 cm)
  • ILS Wheelbase: 115.7 inches (293 cm); 118.9 inches (302 cm) long frame
  • Weight: 19,100 to 22,450 pounds
  • Front tire: 11.00-24
  • Rear tire: 480/80R46

Electrical

What are the electrical specs of the John Deere 8120?

  • Ground: Negative
  • Charging system: Alternator
  • Charging amps: 150
  • Batteries: 2
  • Battery CCA: 925
  • Battery volts: 12
Disclaimer: The information provided on this page may be less than 100% accurate. Always check the manufacturer's official manual.