Dozers
A 1977 Caterpillar D6D is 49 years old and typically retains 15% of its original MSRP. D6D classic.
Based on MSRP depreciation model
Good Condition
$26,000 – $35,500
Low hours, well-maintained, no major issues
Average Condition
$23,000 – $31,000
Average hours, typical wear, operational
15% value retained after 49 years
* Estimates vary by hours, condition, and location. Get exact pricing →
Average usage is ~1,300 hrs/yr. A 1977 model with average hours would have ~63,700 total hours.
Excellent condition can add 15-25% over average. Structural damage, leaks, or worn undercarriage significantly reduce value.
Equipment in the West and Southwest typically commands 5-8% higher prices. Transportation costs affect final pricing.
Documented dealer maintenance records can add 5-10% to value. Unknown history creates buyer hesitation.
Compare values across different model years.
Caterpillar D6
1977 model: $48,500–$65,500
John Deere 650K
1977 model: $27,000–$36,000
Komatsu D61
1977 model: $37,000–$50,000
Caterpillar D5
1977 model: $37,000–$50,000
Caterpillar D8
1977 model: $83,000–$112,000
Komatsu D39
1977 model: $25,000–$33,500
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Monthly pricing data, comparable sales, and market trends for the 1977 Caterpillar D6D.
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