No, there has never been a D12 dozer (Yet). TheD11 has been king of the Cat dozers for about 30 years now. In that time haul truck capacities have double and the largest open cut mines have grown even larger, so I wouldn't be surprised if Caterpillar bring out something bigger in the future.
How much fuel does a D11 use?
According to data presented previously in Fig. 2, −1 the fuel consumption of D11R ranges from 61 L h to −1 87 l h at low engine load conditions (LF = 35-50%), −1 from 87-113 L h at medium engine load conditions −1 (LF = 50-65%) and from 113-139.5 L h at a high engine load conditions (LF = 65-80%).
How much is a new Cat D 11?
CAT D11 Price: Older used models go for as little as $85,000 with no add-ons but can cost $1 million or more for more recent used models, depending on features. New model pricing starts at around $2.2 million.11 sept 2020
What is considered high hours on a dozer?
A dozer with more than 4,000 hours on it that has a recent undercarriage replacement and still has good life left in the engine and hydraulics might be an even better buy. In many cases, warranties follow the machine and typically go to 5,000 or more hours.1 dic 2020