The John Deere Construction 644k hybrid Wheel Loader (2017-2019) is characterised by above-average engine power at 229 hp (171 kW) and typical weight at 42,088 lb (19.1 t). Its published maximum bucket capacity is 4.19 yd³ (3.2 m³).
Specification profile
Wheel Loader • 2017-2019
Weight: 42,088 lb (19.1 t)Engine power: 229 hp (171 kW)Maximum bucket capacity: 4.19 yd³ (3.2 m³)Minimum bucket capacity: 3.66 yd³ (2.8 m³)
42,088 lb (19.1 t)Weight
229 hp (171 kW)Engine power
4.19 yd³ (3.2 m³)Maximum bucket capacity
3.66 yd³ (2.8 m³)Minimum bucket capacity
24.9 mph (40 km/h)Travel speed
1,700 rpmEngine speed at max torque
9.43 ft (2.88 m)Transport width
9.97 ft (3.04 m)Bucket width
How it compares
Low, average or high?
Engine power
Above average
229 hp (171 kW)
Low 44.3 hp (33 kW)Typical 212 hp (158 kW)High 814 hp (607 kW)
Engine power is above the typical figure.
Weight
Average
42,088 lb (19.1 t)
Low 7,419 lb (3.37 t)Typical 43,268 lb (19.6 t)High 210,541 lb (95.5 t)
Weight is close to the typical figure.
Maximum bucket capacity
Below average
4.19 yd³ (3.2 m³)
Low 1.05 yd³ (0.8 m³)Typical 5.37 yd³ (4.11 m³)High 17 yd³ (13 m³)
Maximum bucket capacity is below the typical figure.
Minimum bucket capacity
Average
3.66 yd³ (2.8 m³)
Low 0.78 yd³ (0.6 m³)Typical 3.71 yd³ (2.84 m³)High 12.4 yd³ (9.5 m³)
Minimum bucket capacity is close to the typical figure.
Travel speed
Above average
24.9 mph (40 km/h)
Low 12 mph (19.3 km/h)Typical 21.4 mph (34.4 km/h)High 26.7 mph (43 km/h)
Travel speed is above the typical figure.
Transport width
Above average
9.43 ft (2.88 m)
Low 5.25 ft (1.6 m)Typical 8.71 ft (2.65 m)High 15.8 ft (4.81 m)
Transport width is above the typical figure.
Visual overview
Key measurements
Capacity
Published capacity figures shown together for quick comparison.
Working dimensions
Useful working and clearance measurements shown side by side.
Overall size
The main published dimensions shown together at a glance.
Equipment
Features & equipment
Published equipment and feature availability for this model.
Air conditioningYES
Diesel particulate filterNO
Hydraulic quick hitchNO
Mechanical quick hitchNO
Swing loaderNO
TelescopicNO
Overview
Model information
| Manufacturer | John Deere Construction |
|---|---|
| Model | 644k hybrid |
| Category | Wheel Loader |
| Model year / production | 2017-2019 |
Full specifications
Technical details
Performance
Engine power229 hp (171 kW)
Maximum torque991/1400 Nm
Engine speed at max torque1,700 rpm
Travel speed24.9 mph (40 km/h)
Dimensions
Bucket width9.97 ft (3.04 m)
Maximum discharge height9.55 ft (2.91 m)
Transport height11.3 ft (3.43 m)
Transport length27.2 ft (8.3 m)
Transport width9.43 ft (2.88 m)
Outside turning radius18.3 ft (5.57 m)
Capacity & weight
Maximum bucket capacity4.19 yd³ (3.2 m³)
Minimum bucket capacity3.66 yd³ (2.8 m³)
Weight42,088 lb (19.1 t)
Swing loaderNo
Engine & drivetrain
Displacement1.8 US gal (6.8 L)
Emission levelTier 4i/EU IIIB
Engine manufacturerJohn Deere
Engine typePowerTech PSX 6068
Number of cylinders6.0
Setup & fitment
Hydraulic quick hitchNo
Mechanical quick hitchNo
Standard tyres23.5 R25
Features
Air conditioningYes
Diesel particulate filterNo
TelescopicNo
Other specifications
Model seriesK
Steering modeAL
Related Posts:
