Caterpillar 3406 Specifications and Pricing Information

The Caterpillar 3406 is a heavy-duty inline-six diesel engine prized for its durability and strong low-end torque. Built for long service intervals and wide aftermarket support, it is commonly used in on-highway trucks, industrial and construction applications where dependable, long-lasting power is required.

In the United States a used Caterpillar 3406 construction/industrial engine is typically priced between $57,500 USD and $499,000 USD. Variation in price can be due to a number of factors including age, condition, location, and specifications.