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.
Dimensions
Komatsu D85A-21 Crawler Dozer Dimensions specifications
Ground Clearance
1.40 ft (0.43 m)
Height - Top of Cab
8.30 ft (2.53 m)
Length of Track on Ground
9.40 ft (2.87 m)
Length w/ Blade
22.50 ft (6.86 m)
Length w/o Blade
15.60 ft (4.75 m)
Length with Bucket on Ground
14.60 ft (4.45 m)
Width Over Tracks
8.60 ft (2.62 m)
Width to Outside of Tracks
8.60 ft (2.62 m)
Engine
Komatsu D85A-21 Crawler Dozer Engine specifications
Aspiration
Turbocharged
Displacement
674.00 cu in (11,044.91 cu cm)
Engine Model
S6D125E
Gross Power
228.00 hp (170.02 kw)
Max Torque
737.30 lbs ft (999.63 nm)
Number of Cylinders
6
Power Measured @
2000 rpm
Torque Measured @
1400 rpm
Hydraulic System
Komatsu D85A-21 Crawler Dozer Hydraulic System specifications
Pump Flow Capacity
51.30 gpm (194.17 lpm)
Pump type
Gear -type pump
Relief Valve Pressure
2773.6 psi
Operating Specifications
Komatsu D85A-21 Crawler Dozer Operating Specifications specifications
Cooling System Fluid Capacity
20.90 gal (79.11 l)
Engine Oil Capacity
7.20 gal (27.25 l)
Final Drives Fluid Capacity
10.90 gal (41.26 l)
Fuel Capacity
126.90 gal (480.32 l)
Hydraulic Fluid Capacity
26.70 gal (101.06 l)
Max Speed
7.40 mph (11.91 kph)
Operating Voltage
24 volts
Operating Weight
53,881.00 lbs (24,440.04 kg)
Standard Blade
Komatsu D85A-21 Crawler Dozer Standard Blade specifications
Capacity
6.90 cu yd (5.28 cu m)
Height
54.80 in (139.19 cm)
Width
12.30 ft (3.75 m)
Transmission
Komatsu D85A-21 Crawler Dozer Transmission specifications
Max Speed - Forward
3.80 mph (6.12 kph)
Max Speed - Reverse
4.90 mph (7.89 kph)
Number of Forward Gears
3
Number of Reverse Gears
3
Transmission Type
TF
Undercarriage
Komatsu D85A-21 Crawler Dozer Undercarriage specifications
Ground Contact Area
4,930.60 cu in (80,798.24 cu cm)
Ground Pressure
8.4 psi
Length of Track on Ground
9.40 ft (2.87 m)
Number of Carrier Rollers per Side
2
Number of Shoes per Side
39
Number of Track Rollers per Side
7
Standard Shoe Size
22.10 in (56.13 cm)
Track Gauge
78.80 in (200.15 cm)
Track Pitch
8.60 in (21.84 cm)
Track Shoe Width
22.10 in (56.13 cm)
