The Caterpillar D9 dozer replaces the D9T dozer with productivity gains of up to 3 percent in cost per unit of material moved. The Tier 4-F Cat C18 engine delivers 440 net horsepower at 1,750 rpm.

A 1966 Caterpillar D9 dozer is brought back to life through inspection, repair, and restoration work after years of wear and inactivity. What’s the biggest challenge in restoring heavy equipment like ...

A vintage 1966 Caterpillar D9 dozer undergoes a full restoration effort to return it to working condition. What challenges come with reviving a machine this old and powerful? Mike Johnson has quite ...