John Deere 6230

John Deere 4.5L 4-cyl diesel

Bore × stroke

4.19 in × 5 in

Rated speed

2,300 rpm

Rated power

94 hp

Torque

282 lb·ft at 1,500 rpm

Compression

19:1

Aspiration

turbocharged diesel

Cooling

liquid-cooled vertical inline

Emissions

Tier III

Firing order

1-3-4-2

Notes

4-cylinder 8-valve. Original engine, used in the basic 6230 from 2007 through the 2009 model year.

Engine

Bore × stroke

4.19 in × 5 in

Rated speed

2,300 rpm

Rated power

95 hp

Torque

283 lb·ft at 1,600 rpm

Compression

19:1

Aspiration

turbocharged diesel

Cooling

liquid-cooled vertical inline

Firing order

1-3-4-2

Notes

4-cylinder 8-valve. Replacement engine, first used in the 2010 model year.

John Deere PowrQuad: Four gears (1-4) in four ranges (A-D) with left-hand reverser lever. Gear changes (1-4) and direction changes can be done while moving without the clutch. Clutch is required to shift range (A-D). Optional PowrQuad Plus adds push-button gear shifting.

John Deere PowrQuad: Four gears (1-4) in six ranges (A-E) with left-hand reverser lever. Gear changes (1-4) and direction changes can be done while moving without the clutch. Clutch is required to shift range (A-D). Optional PowrQuad Plus adds push-button gear shifting.