Categories ↠ Crawler Dozers ↠ Komatsu D21A-3

Komatsu D21A-3 Crawler Dozer

Category: Crawler Dozers ➔
Manufacturer: Komatsu ➔
Model: D21A-3 ➔

The Komatsu D21A-3 Crawler Dozer is a reliable and versatile machine designed for various earth-moving tasks. With a powerful 37 hp engine and a standard blade capacity of 1 cu yd, this dozer is equipped to handle a range of tasks with ease. Its compact design, measuring 8.1 ft in length without the blade, and 5.1 ft in width over tracks, ensures maneuverability in tight spaces. The machine's operating weight of 7561.9 lbs, combined with a ground pressure of 4.2 psi, provides stability and traction on all types of terrain. Additionally, with a maximum speed of 4.3 mph forward and 4 mph in reverse, the D21A-3 offers efficiency and productivity during operation.

See all Komatsu D21A-3s for sale

General Specifications

Dimensions

Ground Clearance	1 ft (0 m)
Height - Top of Cab	7 ft (2 m)
Length of Track on Ground	6 ft (2 m)
Length w/ Blade	11 ft (3 m)
Length w/o Blade	8 ft (2 m)
Width Over Tracks	5 ft (2 m)

Engine

Displacement	159 cu in (2,606 cu cm)
Engine Model	4D92-1
Gross Power	37 hp (28 kw)
Number of Cylinders	4
Power Measured @	2450 rpm

Operating Specifications

Cooling System Fluid Capacity	4 gal (14 l)
Fuel Capacity	16 gal (60 l)
Operating Weight	7,562 lbs (3,430 kg)

Standard Blade

Capacity	1 cu yd (1 cu m)
Height	22 in (57 cm)
Width	8 ft (2 m)

Transmission

Max Speed - Forward	4 mph (7 kph)
Max Speed - Reverse	4 mph (6 kph)
Number of Forward Gears	3
Number of Reverse Gears	3
Transmission Type	HS

Undercarriage

Ground Pressure	4.2 psi
Number of Shoes per Side	37
Number of Track Rollers per Side	5
Standard Shoe Size	12 in (30 cm)
Track Gauge	4 ft (1 m)
Track Pitch	5 in (14 cm)

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