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.

FeatureKomatsu D37PX-21 KOMSTAT IIDozerCaterpillar D4B LGPDozer
TypeCrawler DozerCrawler Dozer
Horsepower63.4 kW60.4 kW
Operating Weight6309.5 kg7799.5 kg
Engine ManufacturerKomatsuCaterpillar
Engine ModelSAA4D102E-23204
Net Power63.4 kW55.9 kW
AspirationTurbocharged with aftercooled—
Number of Cylinders44
Displacement3932.9 cc5201.3 cc
Transmission TypeDual Power ShiftPlanetary powershift
Number of Forward Gears33
Number of Reverse Gears33
Max Speed Forward8.5 km/h11.1 km/h
Max Speed Reverse8.5 km/h11.9 km/h
Ground Pressure0.3 bar0.4 bar
Fuel Capacity165.0 l116.2 l
Engine Oil Capacity12.5 l12.1 l
Cooling System Capacity26.9 l20.1 l
Hydraulic Capacity46.9 l70.0 l
Final Drives Capacity3.4 l8.3 l
Relief Valve Pressure206.2 bar172.4 bar
Cab Height271.3 cm268.2 cm
Width Over Track228.6 cm228.6 cm
Length Overall402.3 cm402.3 cm
Length of Track on Ground225.6 cm207.3 cm
Track Gauge167.6 cm167.6 cm
Ground Clearance39.6 cm30.5 cm
Ground Contact Area68334.2 cm³66384.1 cm³
No of Shoes Per Side4139
No of Track Rollers Per Side6—
Shoe Size61.0 cm63.5 cm
Weight (Operating)6309.5 kg7799.5 kg
Track Pitch165.1 cm—
Pump Flow—55.3 LPM
Gross Power—60.4 kW
Power Measured RPM—2400 RPM
Alternator Supplied Amp.—40 A
Alternator—40 A
Battery—12 V
Pump type—Gear type
Hydraulic Pump Flow—55.3 LPM
Length without Blade—301.8 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