Key specifications for the Komatsu gd755 5r grader (2020-2026) include high engine power at 290 hp (216 kW) together with above-average weight at 47,730 lb (21.6 t). Another useful figure is travel speed at 28 mph (45 km/h).
Specification profile
2020-2026
Weight: 47,730 lb (21.6 t)Engine power: 290 hp (216 kW)Travel speed: 28 mph (45 km/h)Engine speed at max torque: 1,400 rpm
47,730 lb (21.6 t)Weight
290 hp (216 kW)Engine power
28 mph (45 km/h)Travel speed
1,400 rpmEngine speed at max torque
957 lb-ft (1,298 Nm)Maximum torque
14.2 ft (4.32 m)Transport width
14.2 ft (4.32 m)Mouldboard Width
11.6 ft (3.54 m)Transport height
How it compares
Low, average or high?
Engine power
High
290 hp (216 kW)
Low 64.4 hp (48 kW)Typical 216 hp (161 kW)High 512 hp (382 kW)
Engine power is well above the typical figure.
Weight
Above average
47,730 lb (21.6 t)
Low 20,062 lb (9.1 t)Typical 41,689 lb (18.9 t)High 145,152 lb (65.8 t)
Weight is above the typical figure.
Travel speed
Average
28 mph (45 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 close to the typical figure.
Maximum torque
Above average
957 lb-ft (1,298 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 above the typical figure.
Transport width
High
14.2 ft (4.32 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
11.6 ft (3.54 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 RipperNO
Overview
Model information
| Manufacturer | Komatsu |
|---|---|
| Model | gd755 5r grader |
| Model year / production | 2020-2026 |
Full specifications
Technical details
Performance
Engine power290 hp (216 kW)
Maximum torque957 lb-ft (1,298 Nm)
Engine speed at max torque1,400 rpm
Travel speed28 mph (45 km/h)
Dimensions
Mouldboard Width14.2 ft (4.32 m)
Transport height11.6 ft (3.54 m)
Transport length36.3 ft (11.1 m)
Transport width14.2 ft (4.32 m)
Outside turning radius25.3 ft (7.7 m)
Capacity & weight
Weight47,730 lb (21.6 t)
Engine & drivetrain
Cylinder bore × stroke125×150 mm
Displacement2.92 US gal (11 L)
Emission levelStage II
Engine manufacturerKomatsu
Engine typeSAA6D125E-5
Number of cylinders6.0
Setup & fitment
Standard tyres16.00-24 (G2)
Features
Air conditioningYes
Diesel particulate filterNo
Other specifications
Model seriesGD
Bilateral Levelling AutomaticNo
Front BladeNo
Rear RipperNo
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