- Category: Crawler Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: D9N ➔
The Caterpillar D9N is a heavy-duty crawler dozer designed for earthmoving, mining, construction, and land clearing applications. Part of Caterpillar's D9 series, the D9N is known for its large frame, high drawbar pull, and durable undercarriage built for demanding site conditions. It is typically equipped with a Caterpillar diesel engine, powershift transmission, and a straight or semi-U blade depending on configuration. The D9N is used for bulk material pushing, ripping, grading, and site preparation. Its serviceability, operator visibility, and robust mechanical design make it a widely recognized machine in the crawler dozer category.
Dimensions
| Ground Clearance | 2 ft (1 m)
|
| Height - Top of Cab | 13 ft (4 m)
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| Length of Track on Ground | 11 ft (3 m)
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| Length w/ Blade | 23 ft (7 m)
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| Length w/o Blade | 17 ft (5 m)
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| Width Over Tracks | 10 ft (3 m)
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Engine
| Displacement | 1,099 cu in (18,001 cu cm)
|
| Engine Model | 3408
|
Hydraulic System
| Pump Flow Capacity | 82 gpm (310 lpm)
|
| Relief Valve Pressure | 2700 psi
|
Operating Specifications
| Fuel Capacity | 209 gal (792 l)
|
| Hydraulic Fluid Capacity | 24 gal (89 l)
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Standard Blade
| Height | 71 in (181 cm)
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| Width | 14 ft (4 m)
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Transmission
| Max Speed - Forward | 8 mph (12 kph)
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| Max Speed - Reverse | 9 mph (15 kph)
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| Number of Forward Gears | 3
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| Number of Reverse Gears | 3
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| Transmission Type | powershift
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Undercarriage
| Ground Contact Area | 6,572 cu in (107,698 cu cm)
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| Ground Pressure | 14.3 psi
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| Number of Track Rollers per Side | 8
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| Standard Shoe Size | 24 in (61 cm)
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| Track Gauge | 7 ft (2 m)
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