Komatsu D37EX-21 Crawler Dozer Specs

Category: Crawler Dozers ➔
Manufacturer: Komatsu ➔
Model: D37EX-21 ➔

The Komatsu D37EX-21 Crawler Dozer offers a powerful and efficient solution for a variety of earthmoving tasks. With a turbocharged and air-to-air aftercooled engine, this machine boasts a net power of 85 horsepower and a hydraulic system relief valve pressure of 2990 psi. The dozer's dimensions, operating specifications, and undercarriage details provide a comprehensive overview of its capabilities, making it a reliable and versatile choice for various construction and excavation projects.

Dimensions

Komatsu D37EX-21 Crawler Dozer Dimensions specifications
Ground Clearance	1.30 ft (0.40 m)
Height - Top of Cab	8.90 ft (2.71 m)
Length of Track on Ground	7.40 ft (2.26 m)
Length w/ Blade	13.20 ft (4.02 m)
Width Over Tracks	6.10 ft (1.86 m)

Engine

Komatsu D37EX-21 Crawler Dozer Engine specifications
Aspiration	turbocharged and air-to-air aftercooled
Displacement	240.00 cu in (3,932.90 cu cm)
Engine Model	SAA4D102E-2
Net Power	85.00 hp (63.39 kw)
Number of Cylinders	4

Hydraulic System

Komatsu D37EX-21 Crawler Dozer Hydraulic System specifications
Relief Valve Pressure	2990 psi

Operating Specifications

Komatsu D37EX-21 Crawler Dozer Operating Specifications specifications
Cooling System Fluid Capacity	7.10 gal (26.87 l)
Engine Oil Capacity	3.30 gal (12.49 l)
Final Drives Fluid Capacity	0.90 gal (3.41 l)
Fuel Capacity	43.60 gal (165.03 l)
Hydraulic Fluid Capacity	12.40 gal (46.93 l)
Operating Weight	13,250.00 lbs (6,010.11 kg)

Standard Blade

Komatsu D37EX-21 Crawler Dozer Standard Blade specifications
Blade Angle (both directions)	25 degrees
Height	2.90 in (7.37 cm)
Width	9.00 ft (2.74 m)

Transmission

Komatsu D37EX-21 Crawler Dozer Transmission specifications
Max Speed - Forward	5.30 mph (8.53 kph)
Max Speed - Reverse	5.30 mph (8.53 kph)
Number of Forward Gears	3
Number of Reverse Gears	3
Transmission Type	Dual-path hydrostatic transmission

Undercarriage

Komatsu D37EX-21 Crawler Dozer Undercarriage specifications
Ground Contact Area	2,775.00 cu in (45,474.20 cu cm)
Ground Pressure	5.9 psi
Number of Shoes per Side	41
Number of Track Rollers per Side	6
Standard Shoe Size	16.00 in (40.64 cm)
Track Gauge	4.80 ft (1.46 m)
Track Pitch	57.00 in (144.78 cm)

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