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

FeatureFurukawa FD40PLDozerKomatsu D21PL-7Dozer
TypeCrawler DozerCrawler Dozer
Horsepower29.8 kW29.8 kW
Operating Weight4410.0 kg4080.0 kg
Engine ManufacturerIsuzuKomatsu
Engine Model4 JB14 D95S
Gross Power29.8 kW29.8 kW
Displacement2771.1 cc2690.8 cc
Transmission TypeDirect DriveHydrostatic
Number of Forward Gears32
Number of Reverse Gears22
Cab Height249.9 cm249.9 cm
Width Over Track219.5 cm219.5 cm
Length Overall353.6 cm347.5 cm
Length without Blade265.2 cm265.2 cm
Length of Track on Ground189.0 cm182.9 cm
Track Gauge149.4 cm149.4 cm
Ground Clearance30.5 cm36.6 cm
No of Track Rollers Per Side66
Shoe Size70.1 cm70.1 cm
Weight (Operating)4410.0 kg4080.0 kg
Track Pitch13.7 cm13.7 cm
Number of Cylinders—4
Power Measured RPM—2450 RPM
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