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

General Specifications

Dimensions

Ground Clearance	1 ft (0 m)
Height - Top of Cab	7 ft (2 m)
Length of Track on Ground	6 ft (2 m)
Length w/ Blade	11 ft (3 m)
Length w/o Blade	8 ft (2 m)
Width Over Tracks	5 ft (2 m)

Engine

Displacement	180 cu in (2,941 cu cm)
Engine Model	4D92-2P
Gross Power	39 hp (29 kw)
Max Torque	109 lbs ft (147 nm)
Number of Cylinders	4
Power Measured @	2450 rpm

Hydraulic System

Pump Flow Capacity	14 gpm (53 lpm)
Relief Valve Pressure	2204.7 psi

Operating Specifications

Cooling System Fluid Capacity	4 gal (13 l)
Fuel Capacity	16 gal (60 l)
Operating Weight	7,981 lbs (3,620 kg)

Standard Blade

Capacity	1 cu yd (1 cu m)
Height	23 in (59 cm)
Width	7 ft (2 m)

Transmission

Max Speed - Forward	3 mph (5 kph)
Max Speed - Reverse	3 mph (5 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	12 in (30 cm)
Track Gauge	4 ft (1 m)
Track Pitch	5 in (14 cm)

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