Construction Machinery: Grader Komatsu

Model Maximum forward speed Maximum reverse gear
GD825A-2 44.9 km/h - 27.9 mile / h 47.9 km/h - 29.8 mile / h
GD705R-2 44 km/h - 27.3 mile / h 44 km/h - 27.3 mile / h
GD705A-4 43 km/h - 26.7 mile / h 45.9 km/h - 28.5 mile / h
GD675-3 42.2 km/h - 26.2 mile / h 38.3 km/h - 23.8 mile / h
GD670AW-2C 42.1 km/h - 26.2 mile / h 23.5 km/h - 14.6 mile / h
GD670A-2C 42.1 km/h - 26.2 mile / h 23.5 km/h - 14.6 mile / h
GD661A-1 44.6 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h
GD655R-2 43.6 km/h - 27.1 mile / h 51.6 km/h - 32.1 mile / h
GD655A-2 43.6 km/h - 27.1 mile / h 51.6 km/h - 32.1 mile / h
GD655-5 44.3 km/h - 27.5 mile / h 40.2 km/h - 25 mile / h
GD655-3 42.2 km/h - 26.2 mile / h 38.4 km/h - 23.9 mile / h
GD650R-2 44.8 km/h - 27.8 mile / h 23.6 km/h - 14.7 mile / h
GD650AW-2C 42 km/h - 26.1 mile / h 23.3 km/h - 14.5 mile / h
GD650A-2C 42 km/h - 26.1 mile / h 23.3 km/h - 14.5 mile / h
GD625A-1 45 km/h - 28 mile / h 54.8 km/h - 34.1 mile / h
GD623A-1 46.5 km/h - 28.9 mile / h 56.7 km/h - 35.2 mile / h
GD621R-1 44.6 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h
GD611A-1 44.6 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h
GD605R-2 43.6 km/h - 27.1 mile / h 51.6 km/h - 32.1 mile / h
GD605A-2 43.6 km/h - 27.1 mile / h 51.6 km/h - 32.1 mile / h
GD600R-2 20.1 km/h - 12.5 mile / h 23.6 km/h - 14.7 mile / h
GD555-3 42.9 km/h - 26.7 mile / h 39.1 km/h - 24.3 mile / h
GD530AW-2C 41 km/h - 25.5 mile / h 21.9 km/h - 13.6 mile / h
GD530A-2C 41 km/h - 25.5 mile / h 21.9 km/h - 13.6 mile / h
GD521A-1 44.6 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h
GD511A-1 44.5 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h
GD510R-1 42.9 km/h - 26.7 mile / h 26.6 km/h - 16.5 mile / h
GD505R-2 43.4 km/h - 27 mile / h 45 km/h - 28 mile / h
GD505A-2 43.4 km/h - 27 mile / h 45 km/h - 28 mile / h
GD500R-2 41.2 km/h - 25.6 mile / h 25.5 km/h - 15.8 mile / h
GD405A-1 42 km/h - 26.1 mile / h 45 km/h - 28 mile / h
GD31RC-3A 38.3 km/h - 23.8 mile / h 11.6 km/h - 7.2 mile / h
GD305A-3 34.5 km/h - 21.4 mile / h 24.6 km/h - 15.3 mile / h
GD300A-1 30.4 km/h - 18.9 mile / h 31 km/h - 19.3 mile / h
GD200A-1 31.1 km/h - 19.3 mile / h 28.8 km/h - 17.9 mile / h