Farm tractors John Deere

John Deere 3020 Engine

John Deere 3020 — Early John Deere 3020 row-crop, narrow paired front wheels, open operator station, no implement
John Deere 3020Early John Deere 3020 row-crop, narrow paired front wheels, open operator station, no implementAI-generated visual reconstruction; not an archival photograph.

Engine

Engine options
Engine
John Deere 3.7L 4-cyl gasoline
John Deere 4.4L 4-cyl diesel
John Deere 3.7L 4-cyl LP gas
Engine Detail
Engine John Deere
Fuel gasoline
Cylinders 4-cylinder
Cooling / layout liquid-cooled inline
Displacement227 ci
3.7 L
Bore/Stroke4.25x4.00 inches
108 x 102 mm
Air cleaneroil bath
Compression7.5:1
Rated RPM2500
Operating RPM1500-2500
Firing order1-3-4-2
Starter volts12
Sparkplug gap0.025 inches
0.635 mm
Point gap0.022 inches
0.559 mm
Intake valve clearance0.015 inches
0.381 mm
Exhaust valve clearance0.028 inches
0.711 mm
Engine Oil
Oil capacity9 qts
8.5 L
Engine Detail
Engine John Deere
Fuel diesel
Cylinders 4-cylinder
Cooling / layout liquid-cooled inline
Displacement270 ci
4.4 L
Bore/Stroke4.25x4.75 inches
108 x 121 mm
Air cleaneroil bath
Pre-heatingether injection
Compression16.5:1
Rated RPM2500
Operating RPM1500-2500
Firing order1-3-4-2
Starter volts24
Oil capacity9 qts
8.5 L
Intake valve clearance0.018 inches
0.457 mm
Exhaust valve clearance0.018 inches
0.457 mm
Engine Detail
Engine John Deere
Fuel LP gas
Cylinders 4-cylinder
Cooling / layout liquid-cooled inline
Displacement227 ci
3.7 L
Bore/Stroke4.25x4.00 inches
108 x 102 mm
Air cleaneroil bath
Compression9.0:1
Rated RPM2500
Operating RPM1500-2500
Firing order1-3-4-2
Starter volts12
Oil capacity9 qts
8.5 L
Sparkplug gap0.015 inches
0.381 mm
Point gap0.022 inches
0.559 mm
Intake valve clearance0.015 inches
0.381 mm
Exhaust valve clearance0.028 inches
0.711 mm

Values may vary by engine, transmission or configuration. View source page