- Category: Crawler Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: D9R ➔
The Caterpillar D9R is a heavy-duty crawler dozer designed for earthmoving, mining, land clearing, and large-scale construction applications. Part of Caterpillar's D9 series, the D9R is known for its high drawbar pull, durable undercarriage, and robust powertrain. It typically features a Caterpillar diesel engine, powershift transmission, and a large straight or semi-U blade configuration depending on application. The machine is used for pushing material, ripping hard ground, and site preparation in demanding conditions. The D9R remains a widely recognized model in the crawler dozer category for its size, strength, and serviceability in heavy production environments.
Dimensions
| Ground Clearance | 2 ft (1 m)
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| Length of Track on Ground | 11 ft (3 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)
|
| Number of Cylinders | 8
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| Power Measured @ | 1900 rpm
|
Operating Specifications
| Engine Oil Capacity | 12 gal (45 l)
|
| Final Drives Fluid Capacity | 5 gal (19 l)
|
| Fuel Capacity | 216 gal (818 l)
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| Hydraulic Fluid Capacity | 19 gal (72 l)
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| Operating Voltage | 24 volts
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Transmission
| Max Speed - Forward | 7 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 Pressure | 16.1 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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