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

FeatureKomatsu D21AG-7EDozerMitsubishi BD2J-DDDozer
TypeCrawler DozerCrawler Dozer
Horsepower29.8 kW29.8 kW
Operating Weight3720.0 kg3700.0 kg
Engine ManufacturerKomatsuMitsubishi
Engine Model4 D94ES4SE1
Gross Power29.8 kW29.8 kW
Number of Cylinders4—
Displacement2776.0 cc3331.5 cc
Power Measured RPM2450 RPM—
Transmission TypeHydrostaticDirect Drive
Number of Forward Gears23
Number of Reverse Gears22
Cab Height246.9 cm234.7 cm
Width Over Track161.5 cm152.4 cm
Length Overall341.4 cm335.3 cm
Length of Track on Ground170.7 cm176.8 cm
Track Gauge131.1 cm167.6 cm
Ground Clearance30.5 cm30.5 cm
No of Track Rollers Per Side5—
Shoe Size30.2 cm—
Weight (Operating)3720.0 kg3700.0 kg
Track Pitch7.1 cm—
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