- Category: Crawler Dozers ➔
- Manufacturer: Komatsu ➔
- Model: D85A-21 ➔
The Komatsu D85A-21 Crawler Dozer is a powerful and efficient machine designed for heavy-duty earthmoving and construction tasks. With a turbocharged engine producing 228 horsepower and a hydraulic system pump flow capacity of 51.3 gallons per minute, this bulldozer is equipped to handle a wide range of applications. Its spacious cab provides comfort for operators, while its robust undercarriage and standard blade ensure optimal performance on any job site. The D85A-21 combines advanced technology with durable construction to deliver exceptional results in challenging terrain conditions.
General Specifications
Dimensions
Ground Clearance | 1 ft (0 m)
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Height - Top of Cab | 8 ft (3 m)
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Length of Track on Ground | 9 ft (3 m)
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Length w/ Blade | 23 ft (7 m)
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Length w/o Blade | 16 ft (5 m)
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Length with Bucket on Ground | 15 ft (4 m)
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Width Over Tracks | 9 ft (3 m)
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Width to Outside of Tracks | 9 ft (3 m)
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Engine
Aspiration | Turbocharged
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Displacement | 674 cu in (11,045 cu cm)
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Engine Model | S6D125E
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Gross Power | 228 hp (170 kw)
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Max Torque | 737 lbs ft (1,000 nm)
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Number of Cylinders | 6
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Power Measured @ | 2000 rpm
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Torque Measured @ | 1400 rpm
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Hydraulic System
Pump Flow Capacity | 51 gpm (194 lpm)
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Pump type | Gear -type pump
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Relief Valve Pressure | 2773.6 psi
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Operating Specifications
Cooling System Fluid Capacity | 21 gal (79 l)
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Engine Oil Capacity | 7 gal (27 l)
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Final Drives Fluid Capacity | 11 gal (41 l)
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Fuel Capacity | 127 gal (480 l)
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Hydraulic Fluid Capacity | 27 gal (101 l)
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Max Speed | 7 mph (12 kph)
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Operating Voltage | 24 volts
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Operating Weight | 53,881 lbs (24,440 kg)
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Standard Blade
Capacity | 7 cu yd (5 cu m)
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Height | 55 in (139 cm)
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Width | 12 ft (4 m)
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Transmission
Max Speed - Forward | 4 mph (6 kph)
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Max Speed - Reverse | 5 mph (8 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 | TF
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Undercarriage
Ground Contact Area | 4,931 cu in (80,798 cu cm)
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Ground Pressure | 8.4 psi
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Length of Track on Ground | 9 ft (3 m)
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Number of Carrier Rollers per Side | 2
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Number of Shoes per Side | 39
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Number of Track Rollers per Side | 7
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Standard Shoe Size | 22 in (56 cm)
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Track Gauge | 79 in (200 cm)
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Track Pitch | 9 in (22 cm)
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Track Shoe Width | 22 in (56 cm)
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