Fiat 80-76

Fiat 3.9L 4-cyl diesel

Bore × stroke

4.09 in × 4.53 in

Rated speed

2,500 rpm

Rated power

78.9 hp

Compression

17:1

Cooling

liquid-cooled

Firing order

1-3-4-2

12-speed partially synchronized: Four synchronized gears (1-4) in three ranges (I-III) plus reverse range. Tractor must be stopped, and clutch used, to shift range.

12-speed mechanical shuttle: Four synchronized gears (1-4) in three ranges (I-III) with mechanical reverser.

20-speed creeper shuttle: Four synchronized gears (1-4) in three ranges (I-III) with mechanical reverser and creeper. The shuttle-creeper lever is moved forward or back for direction control. Pushing the lever down and forward engages the creeper range.