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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureKomatsu D31P-20BEDozerKomatsu D31P-18ADozer
TypeCrawler DozerCrawler Dozer
Horsepower52.9 kW52.9 kW
Operating Weight6930.0 kg6800.0 kg
Engine ManufacturerKomatsuKomatsu
Engine ModelS4D102E-1-A6 D95L
Gross Power52.9 kW52.9 kW
Number of Cylinders46
Displacement3921.4 cc4891.5 cc
Power Measured RPM2350 RPM2350 RPM
Transmission TypeHydrostaticHydrostatic
Number of Forward Gears33
Number of Reverse Gears33
Cab Height274.3 cm274.3 cm
Width Over Track225.6 cm225.6 cm
Length Overall396.2 cm396.2 cm
Length without Blade304.8 cm304.8 cm
Length of Track on Ground219.5 cm219.5 cm
Track Gauge167.6 cm167.6 cm
Ground Clearance39.6 cm39.6 cm
No of Track Rollers Per Side66
Shoe Size60.2 cm60.2 cm
Weight (Operating)6930.0 kg6800.0 kg
Track Pitch15.5 cm15.5 cm
No of Shoes Per Side—41
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051