Added: 12 months ago
1984 John Deere 3140 Tractor Pulling a 2018 Fendt 828 Tractor at the Southern Tractor Pull Competition at the Mayfield A&P Show in Mayfield, in the Canterbury Region of New Zealand's South Island.
This is weight transfer tractor pulling. The tractor aims to pull 80% of its weight for 100 metres, or 60% for the pre-85/old school class. As I understand it, the pulled tractor shifts its weight on the sled from the rear to the front as it travels up the track to increase its total weight.