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SPECS / COMPARISON

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

FeatureKomatsu D21PL-7DozerKomatsu FD45P-1Dozer
TypeCrawler DozerCrawler Dozer
Horsepower29.8 kW29.8 kW
Operating Weight4080.0 kg4330.0 kg
Engine ManufacturerKomatsuKomatsu
Engine Model4 D95SA-4JG2
Gross Power29.8 kW29.8 kW
Number of Cylinders44
Displacement2690.8 cc3059.5 cc
Power Measured RPM2450 RPM2200 RPM
Transmission TypeHydrostaticDirect Drive
Number of Forward Gears23
Number of Reverse Gears23
Cab Height249.9 cm249.9 cm
Width Over Track219.5 cm201.2 cm
Length Overall347.5 cm350.5 cm
Length without Blade265.2 cm243.8 cm
Length of Track on Ground182.9 cm170.7 cm
Track Gauge149.4 cm149.4 cm
Ground Clearance36.6 cm33.5 cm
No of Track Rollers Per Side65
Shoe Size70.1 cm51.1 cm
Weight (Operating)4080.0 kg4330.0 kg
Track Pitch13.7 cm13.7 cm
No of Carrier Rollers Per Side—1
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