- Category: Crawler Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: D7E ➔
The Caterpillar D7E is a crawler dozer designed for heavy earthmoving, grading, and site preparation work. It uses Caterpillar's electric drive system, which replaces a conventional mechanical transmission with a diesel-electric powertrain to deliver smooth power transfer and efficient operation. The D7E is commonly used in mining, road construction, land clearing, and large-scale civil projects. Its undercarriage, blade configuration, and traction characteristics support work on rough terrain and in demanding ground conditions. As a Caterpillar crawler dozer, the D7E is part of the D7 series and is recognized for combining dozing capability with controlled maneuverability and durable construction.
Dimensions
| Ground Clearance | 2 ft (0 m)
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| Height - Top of Cab | 11 ft (3 m)
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| Length of Track on Ground | 10 ft (3 m)
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| Length w/ Blade | 19 ft (6 m)
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| Length w/o Blade | 15 ft (5 m)
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| Width Over Tracks | 10 ft (3 m)
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Engine
| Displacement | 568 cu in (9,301 cu cm)
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| Engine Model | C9.3 Acert
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| Gross Power | 252 hp (188 kw)
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| Make | Cat
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| Power Measured @ | 1700 rpm
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Hydraulic System
| Pump Flow Capacity | 83 gpm (312 lpm)
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| Relief Valve Pressure | 4000 psi
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Operating Specifications
| Cooling System Fluid Capacity | 23 gal (87 l)
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| Engine Oil Capacity | 8 gal (30 l)
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| Final Drives Fluid Capacity | 9 gal (34 l)
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| Fuel Capacity | 108 gal (409 l)
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| Hydraulic Fluid Capacity | 20 gal (76 l)
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| Operating Weight | 56,669 lbs (25,705 kg)
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Standard Blade
| Capacity | 9 cu yd (7 cu m)
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| Height | 60 in (152 cm)
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| Width | 12 ft (4 m)
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Transmission
| Transmission Type | Electric
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Undercarriage
| Ground Contact Area | 5,698 cu in (93,374 cu cm)
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| Ground Pressure | 9.9 psi
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| Number of Carrier Rollers per Side | 2
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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 | 24 in (61 cm)
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| Track Gauge | 7 ft (2 m)
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| Track Pitch | 9 in (22 cm)
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