The Komatsu gd655 7 grader (2020-2026) stands out for typical engine power at 221 hp (165 kW), while typical weight comes in at 42,946 lb (19.5 t). It also has travel speed of 30.1 mph (48.5 km/h).
Specification profile
2020-2026
Weight: 42,946 lb (19.5 t)Engine power: 221 hp (165 kW)Travel speed: 30.1 mph (48.5 km/h)Engine speed at max torque: 1,450 rpm
42,946 lb (19.5 t)Weight
221 hp (165 kW)Engine power
30.1 mph (48.5 km/h)Travel speed
1,450 rpmEngine speed at max torque
694 lb-ft (941 Nm)Maximum torque
14 ft (4.27 m)Transport width
14 ft (4.27 m)Mouldboard Width
10.5 ft (3.2 m)Transport height
How it compares
Low, average or high?
Engine power
Average
221 hp (165 kW)
Low 64.4 hp (48 kW)Typical 216 hp (161 kW)High 512 hp (382 kW)
Engine power is close to the typical figure.
Weight
Average
42,946 lb (19.5 t)
Low 20,062 lb (9.1 t)Typical 41,689 lb (18.9 t)High 145,152 lb (65.8 t)
Weight is close to the typical figure.
Travel speed
Above average
30.1 mph (48.5 km/h)
Low 22.4 mph (36 km/h)Typical 26.6 mph (42.8 km/h)High 32 mph (51.5 km/h)
Travel speed is above the typical figure.
Maximum torque
Below average
694 lb-ft (941 Nm)
Low 460 lb-ft (624 Nm)Typical 778 lb-ft (1,055 Nm)High 1,306 lb-ft (1,771 Nm)
Maximum torque is below the typical figure.
Transport width
High
14 ft (4.27 m)
Low 5.92 ft (1.8 m)Typical 9.05 ft (2.76 m)High 14.2 ft (4.32 m)
Transport width is well above the typical figure.
Transport height
Average
10.5 ft (3.2 m)
Low 10 ft (3.06 m)Typical 11.3 ft (3.43 m)High 13.5 ft (4.1 m)
Transport height is close to the typical figure.
Visual overview
Key measurements
Overall size
The main published dimensions shown together at a glance.
Equipment
Features & equipment
Published equipment and feature availability for this model.
Air conditioningYES
Bilateral Levelling AutomaticNO
Diesel particulate filterNO
Front BladeNO
Rear RipperYES
Overview
Model information
| Manufacturer | Komatsu |
|---|---|
| Model | gd655 7 grader |
| Model year / production | 2020-2026 |
Full specifications
Technical details
Performance
Engine power221 hp (165 kW)
Maximum torque694 lb-ft (941 Nm)
Engine speed at max torque1,450 rpm
Travel speed30.1 mph (48.5 km/h)
Dimensions
Mouldboard Width14 ft (4.27 m)
Transport height10.5 ft (3.2 m)
Transport length35.7 ft (10.9 m)
Transport width14 ft (4.27 m)
Outside turning radius24.3 ft (7.4 m)
Capacity & weight
Weight42,946 lb (19.5 t)
Engine & drivetrain
Cylinder bore × stroke107×124 mm
Displacement1.77 US gal (6.69 L)
Emission levelTier 4f
Engine manufacturerKomatsu
Engine typeSAA6D107E-3
Number of cylinders6.0
Setup & fitment
Standard tyres17.5 R25
Features
Air conditioningYes
Diesel particulate filterNo
Other specifications
Model seriesGD
Bilateral Levelling AutomaticNo
Front BladeNo
Rear RipperYes
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