John Deere 8420T Specifications

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Engine Horsepower: 284 hp

Manufactured: 2002 to 2005

John Deere 8420T Summary

The John Deere 8420T is an agricultural crawler tractor produced from 2002 to 2005. It is part of the 8020 Series and was built in Waterloo, Iowa, USA. This model features a John Deere 8.1L 6-cylinder diesel engine with a gross horsepower of 284 hp, net horsepower of 270 hp, and a maximum horsepower of 314 hp. Variants include the wheeled 8420 and the crawler 8420T.

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John Deere 8420T Horsepower, Weight, and Specifications:

Production

Who manufactures the John Deere 8420T and where is it built?

  • Manufacturer: John Deere
  • Type: Agricultural Crawler tractor
  • Built in: Waterloo, Iowa, USA

Variants

What are the variants of the John Deere 8420T?

  • 8420: Wheeled tractor
  • 8420T: Crawler

Engine

What engine does the John Deere 8420T use?

  • Model: John Deere 8.1L 6-cyl diesel

Transmission

What transmission does the John Deere 8420T have?

  • Transmission: 16-speed full power shift

Horsepower

What is the horsepower range of the John Deere 8420T?

  • Engine (gross): 284 hp / 211.8 kW
  • Engine (net): 270 hp / 201.3 kW
  • Engine (max): 314 hp / 234.1 kW
  • PTO (claimed): 235 hp / 175.2 kW
  • Drawbar (tested): 205.84 hp / 153.5 kW
  • PTO (tested): 270.62 hp / 201.8 kW

Mechanical

What are the mechanical features of the John Deere 8420T?

  • Drive: Crawler
  • Steering: Electro-hydraulic power
  • Brakes: Hydraulic wet disc
  • Cab: Standard

Capacity

What is the fluid capacity of the John Deere 8420T?

  • Fuel: 130 gal / 492.1 L
  • Hydraulic system: 65 gal / 246.0 L

Hydraulics

What are the hydraulic specifications of the John Deere 8420T?

  • Type: Closed center pressure flow compensated (PFC)
  • Capacity: 65 gal / 246.0 L
  • Pressure: 2900 psi / 200.0 bar
  • Valves: 5
  • Pump flow: 30 gpm / 113.6 lpm
  • Total flow: 33.5 gpm / 126.8 lpm
  • Total flow (optional): 42.5 gpm / 160.9 lpm

Tractor Hitch

What is the hitch type and lift capacity of the John Deere 8420T?

  • Rear Type: III/IIIN
  • Rear lift: 15,180 lbs / 6885 kg

Power Take-off (PTO)

What are the PTO specifications of the John Deere 8420T?

  • Rear PTO: Independent
  • Rear RPM: 1000 (1-3/4)

Dimensions & Tracks

What are the dimensions and weight of the John Deere 8420T?

  • Wheelbase: 89 inches / 226 cm; 120 inches (wide track option) / 304 cm
  • Weight: 25,950 to 26,380 pounds
  • Tracks: 24-inch

Electrical

What are the electrical specifications of the John Deere 8420T?

  • 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.