(VIDEO) How Finning rebuilds Cat D11 dozers in Regina

Launched in 1986, the Cat D11 large track type tractor (LTTT) forever changed the market for big dozers. Initially introduced as the D11N and weighing over 200,000 pounds with a 770-hp engine, Caterpillar has since cycled through several product improvements and iterations including the N, R, T, and now next-generation series. Built in Peoria, Illinois, the D11 still stands as mining's most popular dozer, and well over 40,000 Caterpillar LTTTs, which include the D9, D10, and D11, have been built to date. You can find the D11 in coal, gold, oil, aggregate, iron ore, copper, and many more mines around the world. The next-gen D11 dozers are powered by a Cat C32 diesel engine producing 850 hp with the tractor itself measuring 10.4 metres long, 3.6 metres wide, and 4.5 metres high, with a total weight of 248,500 pounds when configured with a 45-cubic-yard U blade. With open pit mines growing in size as demand for critical metals heats up, it's no wonder the D11 is the dozer of choice for many mining operations to match their fleets of ultra-class haul trucks and loading tools. It's also not uncommon to see older generation tractors still in service alongside newer models, a testament to Caterpillar's "Built to be rebuilt" philosophy and successful Cat dealer-led rebuild programs around the world.