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Komatsu GD621R-1 Motor Grader

Contents
  1. Dimensions
  2. Engine Details
  3. Operational Specs
  4. Steering
  5. Transmission
  6. Front Axle
  7. 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)
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