Cat vs Komatsu Dozers: Specs, Fuel Costs & Production (2026 Edition)
Cat D3 vs Komatsu D65
- Blade width: Cat 3.66m (12ft) | Komatsu 3.66m
- Operating weight: Cat 17.5t | Komatsu 16.5t (lighter = less fuel)
- Fuel consumption: Cat ~16 L/hr | Komatsu ~14 L/hr (15% savings)
- Production (loose soil, 150ft push): Both ~400-450 cy/day
- Blade quality: Cat—more aggressive ripper, better on hard pan | Komatsu—smoother, better finish grade
- Resale: Cat holds value 2-3% better
When to pick: Cat if you're cutting rock/hardpan. Komatsu if fuel costs are killing margins.
Cat D6 vs Komatsu D85
- Blade width: Cat 4.27m (14ft) | Komatsu 4.27m
- Operating weight: Cat 21t | Komatsu 20t
- Fuel consumption: Cat ~22 L/hr | Komatsu ~20 L/hr (9% savings)
- Production (loose soil, 150ft push): Cat ~650 cy/day | Komatsu ~630 cy/day
- Blade quality: Cat—stronger blade, 1–2% more productive | Komatsu—equally durable, better ergonomics
- Reliability: Both comparable; Komatsu has slightly lower dealer markup
When to pick: Cat if you're doing aggressive work. Komatsu if you're pushing volume at lower cost.
Cat D11 vs Komatsu D155 (Large Earthwork)
- Blade width: Cat 4.78m (16ft) | Komatsu 4.78m
- Operating weight: Cat 36t | Komatsu 35t
- Fuel consumption: Cat ~34 L/hr | Komatsu ~31 L/hr (9% savings)
- Production (loose soil, 300ft push): Cat ~1,200 cy/day | Komatsu ~1,100 cy/day
- Daily fuel cost: Cat ~$680/day | Komatsu ~$620/day (save $60/day × 365 = $22K/year)
When to pick: Komatsu if you're on a budget site. Cat if you need maximum production.