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Komatsu D31EX-21 KOMSTAT II vs Wacker Neuson WL37

A detailed comparison of the Komatsu D31EX-21 KOMSTAT II and the Wacker Neuson WL37. Click a model name to view its full specifications.

Horsepower
Komatsu D31EX-21 KOMSTAT II55.9 kW (75 HP)
Wacker Neuson WL3755.2 kW (74 hp)
Operating Weight
Komatsu D31EX-21 KOMSTAT II7130.5 kg (15720 lbs)
Wacker Neuson WL373728.5 kg (8220 lbs)
SpecificationKomatsu D31EX-21 KOMSTAT IIKomatsu D31EX-21 KOMSTAT IICrawler DozersWacker Neuson WL37Wacker Neuson WL37Crawler Dozers
TypeCrawler DozerWheel Loader
Horsepower55.9 kW (75 HP)55.2 kW (74 hp)
Operating Weight7130.5 kg (15720 lbs)3728.5 kg (8220 lbs)
Engine ManufacturerKomatsu—
Engine ModelSAA4D102E-2TD2011 L04w
Net Power55.9 kW (75 HP)—
AspirationTurbocharged with aftercooled—
Displacement3932.9 cc (240 cu in.)3621.5 cc (221 cu in.)
Transmission TypeDual Power Shift—
Number of Forward Gears3—
Number of Reverse Gears3—
Max Speed Forward8.5 km/h (5.3 mph)—
Max Speed Reverse8.5 km/h (5.3 mph)—
Ground Pressure0.4 bar (6.3 psi)—
Fuel Capacity165.0 l (43.6 gal)55.3 l (14.6 gal)
Engine Oil Capacity12.5 l (3.3 gal)10.6 l (2.8 gal)
Cooling System Capacity26.9 l (7.1 gal)—
Hydraulic Capacity46.9 l (12.4 gal)—
Final Drives Capacity3.4 l (0.9 gal)—
Relief Valve Pressure206.2 bar (2990 psi)—
Cab Height271.3 cm (106.8 in.)243.8 cm (96 in)
Width Over Track185.9 cm (73.2 in.)—
Length Overall402.3 cm (158.4 in.)—
Length of Track on Ground201.2 cm (79.2 in.)—
Track Gauge146.3 cm (57.6 in.)—
Ground Clearance39.6 cm (15.6 in.)30.5 cm (12 in)
Ground Contact Area40902.2 cm³ (2496 cu in.)—
No of Shoes Per Side38—
No of Track Rollers Per Side5—
Shoe Size40.6 cm (16 in.)—
Weight (Operating)7130.5 kg (15720 lbs)—
Track Pitch144.8 cm (57 in.)—
Weight—3728.5 kg (8220 lbs)
No Of Cylinders—4
Alternator—95 amps
Operating Voltage—12 V
Rated Speed—2300 RPM
Gross Power—55.2 kW (74 hp)
Hydraulic System Capacity—75.3 l (19.9 gal)
Pump Flow—128.7 LPM (34 GPM)
Bucket Capacity (Heaped)—0.6 m³ (0.8 cu yds)
Turning Radius—182.9 cm (72 in)
Wheelbase—213.4 cm (84 in)
Overall Length—426.7 cm (168 in)
Width Over Tires—152.4 cm (60 in)

Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

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