John Deere 8420T Engine


John Deere 8420T tractor photo
2002 - 2005
8020 Series
Agricultural Crawler tractor
Series map:
8320T
8420T
8520T
263.0hp
284.0hp
305.0hp
Engine Detail
John Deere
turbocharged diesel
6-cylinder
liquid-cooled inline
Displacement496 ci
8.1 L
Bore/Stroke4.56x5.06 inches
116 x 129 mm
Rated Power (ECE R24)270 hp
201.3 kW
Rated Power (EC 97/98)284 hp
211.8 kW
Maximum Power (ECE R24)300 hp
223.7 kW
Maximum Power (EC 97/68)314 hp
234.1 kW
Compression16.5:1
Rated RPM2200
Idle RPM900-2300
Operating RPM1500-2200
Starter volts12
Coolant capacity35.9 qts
34.0 L
Engine Oil
8420T diesel engine oil chart
Oil capacity22.7 qts
21.5 L
Oil change250 h
Page information
Contact: Peter Easterlund
Updated on August 22, 2022
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