Skip to content
HEAVYEQUIPMENTS.net
Post a listing
SPECS / COMPARISON

Compare models

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

FeatureHitachi DX45MDozerKomatsu D21PL-7EDozer
TypeCrawler DozerCrawler Dozer
Horsepower29.8 kW29.8 kW
Engine ManufacturerIsuzuKomatsu
Engine Model4 JB14 D94E
Net Power29.8 kW—
Displacement2771.1 cc2776.0 cc
Transmission TypeDual Power ShiftHydrostatic
Number of Forward Gears32
Number of Reverse Gears32
Cab Height253.0 cm249.9 cm
Width Over Track201.2 cm219.5 cm
Length Overall350.5 cm347.5 cm
Length without Blade246.9 cm265.2 cm
Length of Track on Ground170.7 cm182.9 cm
Track Gauge149.4 cm149.4 cm
Ground Clearance30.5 cm36.6 cm
Shoe Size51.1 cm70.1 cm
Operating Weight—4110.0 kg
Gross Power—29.8 kW
Power Measured RPM—2450 RPM
No of Track Rollers Per Side—6
Weight (Operating)—4110.0 kg
Track Pitch—13.7 cm
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
POPULAR COMPARISONS

MODEL COMPARISONS

Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051