- 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 ft (0 m)
|
| Height - Top of Cab | 8 ft (2 m)
|
| Length of Track on Ground | 6 ft (2 m)
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| Length w/ Blade | 11 ft (3 m)
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| Length w/o Blade | 8 ft (3 m)
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| Width Over Tracks | 5 ft (2 m)
|
Engine
| Displacement | 169 cu in (2,776 cu cm)
|
| Engine Model | 4D94E
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| Gross Power | 40 hp (30 kw)
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| Number of Cylinders | 4
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| Power Measured @ | 2450 rpm
|
Operating Specifications
| Operating Weight | 8,113 lbs (3,680 kg)
|
Standard Blade
| Height | 23 in (59 cm)
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| Width | 7 ft (2 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
|
| Standard Shoe Size | 12 in (30 cm)
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| Track Gauge | 4 ft (1 m)
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| Track Pitch | 5 in (14 cm)
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