Construction Machinery: Grader Komatsu

Model Transmission type Maximum forward speed Maximum reverse gear Forward gears number Manufacturer Model
GD825A-2 komatsu Hydro-Static Transmission 44.9 km/h - 27.9 mile / h 47.9 km/h - 29.8 mile / h 8 Komatsu S6D140E
GD705R-2 TORQFLOW 44 km/h - 27.3 mile / h 44 km/h - 27.3 mile / h 4 Cummins HN-220-CI
GD705A-4 43 km/h - 26.7 mile / h 45.9 km/h - 28.5 mile / h 8 Komatsu S6D125
GD675-3 powershift transmission 42.2 km/h - 26.2 mile / h 38.3 km/h - 23.8 mile / h 8 Komatsu SAA6D114E-3
GD670AW-2C 42.1 km/h - 26.2 mile / h 23.5 km/h - 14.6 mile / h 6 Komatsu S6D114E
GD670A-2C 42.1 km/h - 26.2 mile / h 23.5 km/h - 14.6 mile / h 6 Komatsu S6D114E
GD661A-1 44.6 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h 6 Komatsu S6D105
GD655R-2 Hydro-Gear switching 43.6 km/h - 27.1 mile / h 51.6 km/h - 32.1 mile / h 6 Cummins NH220-CI
GD655A-2 Hydro-Gear switching 43.6 km/h - 27.1 mile / h 51.6 km/h - 32.1 mile / h 6 Cummins NH220-CI
GD655-5 powershift 44.3 km/h - 27.5 mile / h 40.2 km/h - 25 mile / h 8 Komatsu SAA6D107E-1
GD655-3 powershift transmission 42.2 km/h - 26.2 mile / h 38.4 km/h - 23.9 mile / h 8 Komatsu SAA6D114E-3
GD650R-2 full mesh 44.8 km/h - 27.8 mile / h 23.6 km/h - 14.7 mile / h 4 Komatsu Cummins NH220-CI
GD650AW-2C 42 km/h - 26.1 mile / h 23.3 km/h - 14.5 mile / h 6 Komatsu S6D114E
GD650A-2C 42 km/h - 26.1 mile / h 23.3 km/h - 14.5 mile / h 6 Komatsu S6D114E
GD625A-1 45 km/h - 28 mile / h 54.8 km/h - 34.1 mile / h 6 Komatsu 6D125
GD623A-1 46.5 km/h - 28.9 mile / h 56.7 km/h - 35.2 mile / h 6 Komatsu 6D125
GD621R-1 44.6 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h 6 Komatsu S6D105
GD611A-1 44.6 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h 6 Komatsu S6D105
GD605R-2 Hydro-Gear switching 43.6 km/h - 27.1 mile / h 51.6 km/h - 32.1 mile / h 6 Cummins NH220-CI
GD605A-2 Hydro-Gear switching 43.6 km/h - 27.1 mile / h 51.6 km/h - 32.1 mile / h 6 Cummins NH220-CI
GD600R-2 full mesh 20.1 km/h - 12.5 mile / h 23.6 km/h - 14.7 mile / h 4 Komatsu Cummins NH220-CI
GD555-3 powershift transmission 42.9 km/h - 26.7 mile / h 39.1 km/h - 24.3 mile / h 8 Komatsu SAA6D102E-2
GD530AW-2C 41 km/h - 25.5 mile / h 21.9 km/h - 13.6 mile / h 6 Komatsu S6D102
GD530A-2C 41 km/h - 25.5 mile / h 21.9 km/h - 13.6 mile / h 6 Komatsu S6D102
GD521A-1 44.6 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h 6 Komatsu S6D105
GD511A-1 44.5 km/h - 27.7 mile / h 54.4 km/h - 33.8 mile / h 6 Komatsu S6D95L
GD510R-1 42.9 km/h - 26.7 mile / h 26.6 km/h - 16.5 mile / h 4 Komatsu S6D95L
GD505R-2 Hydro-Gear switching 43.4 km/h - 27 mile / h 45 km/h - 28 mile / h 6 Komatsu S6D105
GD505A-2 Hydro-Gear switching 43.4 km/h - 27 mile / h 45 km/h - 28 mile / h 6 Komatsu S6D105-1
GD500R-2 full mesh 41.2 km/h - 25.6 mile / h 25.5 km/h - 15.8 mile / h 4 Komatsu S6D105-1
GD405A-1 Hydro-Gear switching 42 km/h - 26.1 mile / h 45 km/h - 28 mile / h 6 Komatsu 6D105
GD31RC-3A Combined sliding mesh and full mesh 38.3 km/h - 23.8 mile / h 11.6 km/h - 7.2 mile / h 6 Komatsu 4D130
GD305A-3 34.5 km/h - 21.4 mile / h 24.6 km/h - 15.3 mile / h 4 Komatsu S4D102E
GD300A-1 Combined full mesh and synchronizer 30.4 km/h - 18.9 mile / h 31 km/h - 19.3 mile / h 5 Komatsu 4D105-5
GD200A-1 31.1 km/h - 19.3 mile / h 28.8 km/h - 17.9 mile / h 5 Komatsu 4D105-5