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Komatsu D39EX-21 KOMSTAT II Crawler Dozers
SPECS / CRAWLER DOZERS

Komatsu D39EX-21 KOMSTAT II Specs

Komatsu D39EX-21 KOMSTAT II crawler dozer specifications: type Crawler Dozer, horsepower 70.8 kW, operating weight 8518.5 kg, engine manufacturer Komatsu.

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Manufacturer specifications

SpecificationMetricImperial
TypeCrawler Dozer
Horsepower70.8 kW95 HP
Operating Weight8518.5 kg18780 lbs
Engine ManufacturerKomatsu
Engine ModelSAA4D102E-2
Net Power70.8 kW95 HP
AspirationTurbocharged with aftercooled
Displacement3932.9 cc240 cu in.
Transmission TypeDual Power Shift
Number of Forward Gears3
Number of Reverse Gears3
Max Speed Forward8.5 km/h5.3 mph
Max Speed Reverse8.5 km/h5.3 mph
Ground Pressure0.4 bar5.6 psi
Fuel Capacity165.0 l43.6 gal
Engine Oil Capacity12.5 l3.3 gal
Cooling System Capacity32.2 l8.5 gal
Hydraulic Capacity46.9 l12.4 gal
Final Drives Capacity3.4 l0.9 gal
Cab Height277.4 cm109.2 in.
Width Over Track213.4 cm84.0 in.
Length Overall420.6 cm165.6 in.
Length of Track on Ground237.7 cm93.6 in.
Track Gauge167.6 cm66.0 in.
Ground Contact Area55142.6 cm³3365 cu in.
No of Shoes Per Side39
No of Track Rollers Per Side6
Shoe Size45.7 cm18 in.
Weight (Operating)8518.5 kg18780 lbs
Track Pitch165.1 cm65 in.

Source: heavyequipments.net archive (imported 2026-10). Values may vary by variant and production year; seller claims are shown separately on the listing page.

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