Komatsu GD621R-1 Motor Grader

Contents

Dimensions
Engine Details
Operational Specs
Steering
Transmission
Front Axle
Moldboard

Dimensions

Overall Length	27.5 ft in (8380 mm)
Width Over Tires	7.86 ft in (2395 mm)
Wheelbase	19.69 ft in (6000 mm)
Rear Ground Clearance	1.17 ft in (355 mm)
Tandem Axle Wheelbase	5.04 ft in (1535 mm)
Blade Base	8.54 ft in (2600 mm)
Height To Top Of Isomount Cab	11.44 ft in (3485 mm)

Engine Details

Number Of Cylinders	6
Engine Make	Komatsu
Engine Model	S6D105
Power Measured @	2500 rpm
Net Power Gear 5-6	155.6 hp (116 kw)
Max Power	155.6 hp (116 kw)
Displacement	396.1 cu in (6.5 L)

Operational Specs

Std Operation Weight – Total	27998.8 lb (12700 kg)
Fuel Tank Capacity	75.3 gal (285 L)
Tire Size	13.00-24-10PR

Steering

Turning Radius

34.2 ft in (10.4 m)

Transmission

Number Of Gears – Forward	6
Max Speed – Forward	27.8 mph (44.6 km/h)
Max Speed – Reverse	33.9 mph (54.4 km/h)

Front Axle

Ground Clearance

1.2 ft in (355 mm)

Moldboard

Moldboard Width	12.2 ft in (3710 mm)
Moldboard Height	25.4 in (645 mm)

Ask a question