Caterpillar D12 Bulldozer The D12 is said to be larger and more powerful than the D11, Caterpillar's largest dozer to date. It is rumored to be powered by a 12-cylinder diesel engine capable of producing up to 1,500 horsepower. The D12 will also likely feature a new blade design and advanced undercarriage system to handle the increased weight and power. #caterpillar #bulldozer #bulldozercaterpillar #cutting #d11 #d12