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How Much Does a Medium Cat Bulldozer Cost? Cat D6 and D7 Dozers

One of the world's top manufacturers of heavy equipment, Caterpillar, Inc. has been designing quality, reliable bulldozers for construction, agriculture, mining, and more since 1925. Today, the company devotes considerable resources to sustainability and other green measures, earning a spot on the Dow Jones Sustainability Index for 12 years in a row. Caterpillar's mid-size line of bulldozers includes the D6 and D7 series, offering the increased maneuverability and versatility of their small dozers but with nearly double the output.

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Caterpillar Medium Model Bulldozers

The medium sized line of Caterpillar bulldozers includes a variety of standard features designed to improve operator comfort, increase fuel efficiency, and boost production. The D6 and D7 series models are perfect for a variety of applications, including construction, agriculture, and landscaping, where operators use them for backfilling, drilling, excavating, and trenching.


This model includes numerous smart features designed to increase efficiency and productivity while improving operator comfort. Fuel efficiency is up 17 percent from previous mid-size models, thanks to Eco Modes and a new power train. Slope Assist technology helps even inexperienced operators work smarter not harder, and improved steering response and blade load capabilities increase production. It has a CAT C4 ACERT engine with twin turbo and 130 hp flywheel power and an operating weight of 29,258 pounds.


The D6N promises greater productivity than ever with amazing standard features, including transmission with lock-up clutch torque converter for easy operation, increased net power, and a minimum 10 percent improvement in fuel efficiency. It comes with a CAT C7.1 ACERT engine and flywheel power of 166 hp. The fuel tank holds 73.2 gallons and the operating weight is 36,943 pounds. The engine power and weight support dozing applications, while the D6N's stability promotes finish grading.

CAT D6T Tier 4 Final

This amazingly versatile machine combines incredible pushing power with fine control. Add in the ability to choose from a variety of configurations – including undercarriage and track, blades, and rear implements – and you get to design the perfect machine for your particular job. The CAT C9.3 ACERT engine has 207 horsepower and the fuel tank holds a hefty 108.7 gallons. Operating weight is 46,263 pounds.


Another addition to the CAT mid-size family, the D6T features a fully automatic, smooth shifting, four-speed transmission for improved operator comfort and increased fuel efficiency. It comes with a CAT C9.3 ACERT, 215 horsepower engine, 97.2-gallon fuel tank, and an operating weight of 47,138 pounds.


The D7E is Caterpillar's diesel-electric power train model that reduces emissions and saves countless gallons of fuel. The electric drive provides oodles of power for dozing along with easy maneuverability and smooth operation in a variety of applications. The engine is a 238 horsepower CAT C9.3 ACERT that meets Tier 4 Final emission standards. It has a 108-gallon fuel tank and an operating weight of 57,441 pounds.

How Much Does a CAT Bulldozer Cost?

Bulldozer pricing varies widely, depending on a variety of factors, including dealer, extra features, and location. However, the greatest determinant of cost, after model type, is the number of attachments. Expect to pay an average of $1,000 to $10,000 for each attachment.

  • CAT D6K: Used prices start at around $60,000 for older models, with more recent used models selling in the $165,000 range, especially if they include accessories. New model pricing starts at around $200,000 for the standard unit.
  • CAT D6N: Used prices start around $63,000 for older models, with more recent models and those with plenty of attachments selling for closer to $500,000. New models start at around $350,000 for the standard unit.
  • CAT D6T Tier 4 Final: Used prices start around $100,000 for older models, with more recent models and those with plenty of attachments selling for around $500,000. New models start at around $450,000 for the base unit.
  • CAT D6T New: Used prices start around $100,000 for older models, with more recent models selling for around $500,000. New models have a base price of around $450,000.
  • CAT D7E: Used prices start around $210,000 for older models, with more recent models selling for around $570,000, especially if they include attachments. New models start at around $600,000 for the standard unit.

Common Caterpillar Bulldozer Attachments

The attachments are what make the bulldozer such a versatile machine, transforming them from simple earthmovers to diggers, tillers, clearers, and more. Every attachment adds to the purchase price, but even so, it's more cost-effective than purchasing multiple machines. Common bulldozer attachments include:

  • Augers
  • Backhoes
  • Blades
  • Brooms
  • Brush cutters
  • Buckets
  • Cold planers
  • Couplers
  • Forks
  • Landscape tillers
  • Mulchers
  • Rakes
  • Shears
  • Snow plow
  • Stump grinders
  • Trenchers
  • Vibratory compactors

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