- 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
| Ground Clearance | 1.00 ft (0.30 m)
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| Height - Top of Cab | 8.20 ft (2.50 m)
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| Length of Track on Ground | 5.60 ft (1.71 m)
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| Length w/ Blade | 11.20 ft (3.41 m)
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| Length w/o Blade | 8.40 ft (2.56 m)
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| Width Over Tracks | 5.30 ft (1.62 m)
|
Engine
| Displacement | 169.40 cu in (2,775.97 cu cm)
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| Engine Model | 4D94E
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| Gross Power | 40.00 hp (29.83 kw)
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| Number of Cylinders | 4
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| Power Measured @ | 2450 rpm
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Operating Specifications
| Operating Weight | 8,113.10 lbs (3,680.04 kg)
|
Standard Blade
| Height | 23.30 in (59.18 cm)
|
| Width | 7.20 ft (2.19 m)
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Transmission
| Number of Forward Gears | 2
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| Number of Reverse Gears | 2
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| Transmission Type | HS
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Undercarriage
| Number of Track Rollers per Side | 5
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| Standard Shoe Size | 11.90 in (30.23 cm)
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| Track Gauge | 4.30 ft (1.31 m)
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| Track Pitch | 5.40 in (13.72 cm)
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