Categories ↠ Crawler Dozers ↠ Komatsu D21A-7

Komatsu D21A-7 Crawler Dozer

Category: Crawler Dozers ➔
Manufacturer: Komatsu ➔
Model: D21A-7 ➔

The Komatsu D21A-7 crawler dozer is a reliable and efficient machine designed for a variety of earthmoving tasks. With a powerful 40 hp engine and a comfortable cab, this dozer offers excellent performance and operator comfort. Its compact dimensions and sturdy undercarriage make it suitable for maneuvering in tight spaces and tough terrains. Whether you need to clear land, grade roads, or push material, the D21A-7 delivers the power and precision you need to get the job done effectively.

See all Komatsu D21A-7s for sale

Dimensions

Ground Clearance	1.00 ft (0.30 m)
Height - Top of Cab	8.20 ft (2.50 m)
Length of Track on Ground	5.60 ft (1.71 m)
Length w/ Blade	11.20 ft (3.41 m)
Length w/o Blade	8.40 ft (2.56 m)
Width Over Tracks	5.30 ft (1.62 m)

Engine

Displacement	164.20 cu in (2,690.76 cu cm)
Engine Model	4D95S
Gross Power	40.00 hp (29.83 kw)
Number of Cylinders	4
Power Measured @	2450 rpm

Operating Specifications

Operating Weight

7,936.70 lbs (3,600.03 kg)

Standard Blade

Height	23.30 in (59.18 cm)
Width	7.20 ft (2.19 m)

Transmission

Number of Forward Gears	2
Number of Reverse Gears	2
Transmission Type	HS

Undercarriage

Number of Track Rollers per Side	5
Standard Shoe Size	11.90 in (30.23 cm)
Track Gauge	4.30 ft (1.31 m)
Track Pitch	5.40 in (13.72 cm)

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