Categories ↠ Crawler Dozers ↠ Komatsu D21A-5

Komatsu D21A-5 Crawler Dozer

Category: Crawler Dozers ➔
Manufacturer: Komatsu ➔
Model: D21A-5 ➔

The Komatsu D21A-5 Crawler Dozer is a reliable and efficient piece of equipment designed for various earthmoving and construction tasks. With a powerful engine generating 39 horsepower and a gross power output of 39 hp, this machine boasts impressive capabilities. Its hydraulic system provides a pump flow capacity of 14.1 gpm and a relief valve pressure of 2204.7 psi, ensuring smooth operation. The compact yet robust design, combined with features like a standard blade capacity of 1 cu yd and a fuel capacity of 15.9 gallons, make the Komatsu D21A-5 an ideal choice for demanding worksites.

See all Komatsu D21A-5s for sale

Dimensions

Ground Clearance	1.10 ft (0.34 m)
Height - Top of Cab	7.10 ft (2.16 m)
Length of Track on Ground	5.60 ft (1.71 m)
Length w/ Blade	11.20 ft (3.41 m)
Length w/o Blade	8.10 ft (2.47 m)
Width Over Tracks	5.30 ft (1.62 m)

Engine

Displacement	179.50 cu in (2,941.48 cu cm)
Engine Model	4D92-2P
Gross Power	39.00 hp (29.08 kw)
Max Torque	108.50 lbs ft (147.10 nm)
Number of Cylinders	4
Power Measured @	2450 rpm

Hydraulic System

Pump Flow Capacity	14.10 gpm (53.37 lpm)
Relief Valve Pressure	2204.7 psi

Operating Specifications

Cooling System Fluid Capacity	3.50 gal (13.25 l)
Fuel Capacity	15.90 gal (60.18 l)
Operating Weight	7,980.80 lbs (3,620.03 kg)

Standard Blade

Capacity	1.00 cu yd (0.76 cu m)
Height	23.30 in (59.18 cm)
Width	7.20 ft (2.19 m)

Transmission

Max Speed - Forward	2.80 mph (4.51 kph)
Max Speed - Reverse	3.40 mph (5.47 kph)
Number of Forward Gears	2
Number of Reverse Gears	2
Transmission Type	HS

Undercarriage

Ground Pressure	4.3 psi
Number of Shoes per Side	37
Number of Track Rollers per Side	5
Standard Shoe Size	11.90 in (30.23 cm)
Track Gauge	4.30 ft (1.31 m)
Track Pitch	5.40 in (13.72 cm)

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