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

FeatureKomatsu D50A-16DozerKomatsu D39PX-23Dozer
TypeCrawler DozerCrawler Dozer
Horsepower82.0 kW79.8 kW
Operating Weight11880.0 kg9830.0 kg
Engine ManufacturerKomatsuKomatsu
Engine Model4 D130-1CSAA4D95LE
Gross Power82.0 kW79.8 kW
Number of Cylinders4—
Displacement8750.7 cc3261.0 cc
Power Measured RPM1900 RPM2200 RPM
Transmission TypeDirect Drive—
Number of Forward Gears43
Number of Reverse Gears33
Max Speed Forward9.2 km/h8.5 km/h
Max Speed Reverse8.0 km/h8.5 km/h
Ground Pressure0.5 bar0.3 bar
Fuel Capacity240.4 l190.0 l
Cooling System Capacity50.3 l34.1 l
Cab Height286.5 cm286.5 cm
Width Over Track234.7 cm298.7 cm
Length Overall457.2 cm—
Length without Blade362.7 cm438.9 cm
Length of Track on Ground222.5 cm—
Track Gauge189.0 cm182.9 cm
Ground Clearance33.5 cm39.6 cm
No of Carrier Rollers Per Side2—
No of Shoes Per Side3939
No of Track Rollers Per Side56
Shoe Size46.2 cm63.5 cm
Weight (Operating)11880.0 kg9830.0 kg
Track Pitch17.5 cm—
Net Power—78.3 kW
Engine Oil Capacity—11.4 l
Hydraulic Capacity—60.2 l
Final Drives Capacity—3.8 l
Ground Contact Area—60763.4 cm³
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