- Category: Crawler Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: D7H ➔
The Caterpillar D7H is a crawler dozer designed for earthmoving, grading, and site preparation in construction, mining, and land clearing applications. Part of Caterpillar's D7 series, the D7H is known for its heavy-duty undercarriage, durable powertrain, and blade control suited to rough terrain and high-load pushing tasks. It is commonly used for bulk material movement, road building, and dozing in demanding field conditions. The D7H typically features a diesel engine, track-type chassis, and operator cab configured for visibility and control. As a crawler dozer, it provides traction and stability on soft, uneven, or steep ground.
Dimensions
| Ground Clearance | 1.40 ft (0.43 m)
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| Height - Top of Cab | 11.00 ft (3.35 m)
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| Length of Track on Ground | 9.60 ft (2.93 m)
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| Length w/ Blade | 18.30 ft (5.58 m)
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| Length w/o Blade | 15.20 ft (4.63 m)
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Engine
| Aspiration | turbocharged
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| Displacement | 640.80 cu in (10,500.85 cu cm)
|
| Engine Model | 3306
|
| Gross Power | 231.00 hp (172.26 kw)
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| Net Power | 215.00 hp (160.33 kw)
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| Number of Cylinders | 6
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| Power Measured @ | 2100 rpm
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Hydraulic System
| Pump Flow Capacity | 46.30 gpm (175.25 lpm)
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| Relief Valve Pressure | 3300 psi
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Operating Specifications
| Alternator Supplied Amperage | 35 amps
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| Cooling System Fluid Capacity | 13.90 gal (52.61 l)
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| Final Drives Fluid Capacity | 2.60 gal (9.84 l)
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| Fuel Capacity | 129.00 gal (488.27 l)
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| Hydraulic Fluid Capacity | 30.40 gal (115.06 l)
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| Operating Voltage | 24 volts
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| Operating Weight | 52,134.00 lbs (23,647.61 kg)
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Standard Blade
| Blade Angle (both directions) | 25 degrees
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| Capacity | 5.90 cu yd (4.51 cu m)
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| Height | 50.30 in (127.76 cm)
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| Width | 12.60 ft (3.84 m)
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Transmission
| Max Speed - Forward | 7.40 mph (11.91 kph)
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| Max Speed - Reverse | 8.90 mph (14.32 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 | Planetary powershift
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Undercarriage
| Ground Contact Area | 4,560.00 cu in (74,725.18 cu cm)
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| Ground Pressure | 11.1 psi
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| Number of Shoes per Side | 40
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| Number of Track Rollers per Side | 7
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| Standard Shoe Size | 20.10 in (51.05 cm)
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| Track Gauge | 6.50 ft (1.98 m)
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