Big Bud tractors of the 4 series, produced from 1986 to 1990.

- Store category: Large Tractors
- Base price: $260,500, $342,500
- Power: 370 (370 hp), 400 (400 hp), 440 (440 hp), 450 (450 hp), 500 (500 hp), 740 (740 hp).
- Fuel tank capacity: 2082 liters, 2650 hp
- Max. Speed: 32 km/h
- Colors: original, black, "desert", silver, olive. Engine color (740): original, black, yellow, "desert". Disc color: original, black (all).
- Gears: 12 gears + 2 reverse gears, 2 groups of 4 gears + 1 reverse gear in each group. Settings: discs, accessories, stickers, decor, license plate.
- Animation: interior details, doors, hood, flag.