Komatsu D21A-7E Crawler Dozer Specs

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

Introducing the Komatsu D21A-7E Crawler Dozer, a versatile and powerful machine designed to tackle a range of tasks with ease. With a compact yet robust build, this bulldozer boasts a gross power of 40 hp and an operating weight of 8113.1 lbs, making it ideal for various construction and landscaping projects. Equipped with a 4D94E engine and featuring a standard blade width of 7.2 ft, the D21A-7E delivers impressive performance and efficiency. Its advanced transmission system, undercarriage design, and other key specifications combine to ensure optimal maneuverability and productivity on the job site.

Dimensions

Komatsu D21A-7E Crawler Dozer Dimensions specifications
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

Komatsu D21A-7E Crawler Dozer Engine specifications
Displacement	169.40 cu in (2,775.97 cu cm)
Engine Model	4D94E
Gross Power	40.00 hp (29.83 kw)
Number of Cylinders	4
Power Measured @	2450 rpm

Operating Specifications

Komatsu D21A-7E Crawler Dozer Operating Specifications specifications
Operating Weight	8,113.10 lbs (3,680.04 kg)

Standard Blade

Komatsu D21A-7E Crawler Dozer Standard Blade specifications
Height	23.30 in (59.18 cm)
Width	7.20 ft (2.19 m)

Transmission

Komatsu D21A-7E Crawler Dozer Transmission specifications
Number of Forward Gears	2
Number of Reverse Gears	2
Transmission Type	HS

Undercarriage

Komatsu D21A-7E Crawler Dozer Undercarriage specifications
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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