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

FeatureKomatsu D21AG-6DozerHitachi DX45-C LANDYDozer
TypeCrawler DozerCrawler Dozer
Horsepower29.8 kW29.8 kW
Operating Weight3640.0 kg4010.0 kg
Engine ManufacturerKomatsuIsuzu
Engine Model4 D95S-WA-4JG2
Gross Power29.8 kW—
Number of Cylinders4—
Displacement2690.8 cc3059.5 cc
Power Measured RPM2450 RPM—
Transmission TypeHydrostaticDual Power Shift
Number of Forward Gears23
Number of Reverse Gears23
Cab Height249.9 cm249.9 cm
Width Over Track161.5 cm219.5 cm
Length Overall341.4 cm344.4 cm
Length without Blade256.0 cm—
Length of Track on Ground170.7 cm170.7 cm
Track Gauge131.1 cm131.1 cm
Ground Clearance30.5 cm30.5 cm
No of Track Rollers Per Side5—
Shoe Size30.2 cm30.2 cm
Weight (Operating)3640.0 kg4010.0 kg
Track Pitch14.7 cm—
Net Power—29.8 kW
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