The John Deere Construction 644l Wheel Loader (2020-2021) brings together typical weight at 41,248 lb (18.7 t) and below-average maximum bucket capacity at 4.32 yd³ (3.3 m³). Another useful figure is minimum bucket capacity at 3.53 yd³ (2.7 m³).
Specification profile
Wheel Loader • 2020-2021
Weight: 41,248 lb (18.7 t)Maximum bucket capacity: 4.32 yd³ (3.3 m³)Minimum bucket capacity: 3.53 yd³ (2.7 m³)Travel speed: 24.9 mph (40 km/h)
41,248 lb (18.7 t)Weight
4.32 yd³ (3.3 m³)Maximum bucket capacity
3.53 yd³ (2.7 m³)Minimum bucket capacity
24.9 mph (40 km/h)Travel speed
9.42 ft (2.87 m)Transport width
9.97 ft (3.04 m)Bucket width
11.3 ft (3.45 m)Transport height
9.42 ft (2.87 m)Maximum discharge height
How it compares
Low, average or high?
Weight
Average
41,248 lb (18.7 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
4.32 yd³ (3.3 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
3.53 yd³ (2.7 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
9.42 ft (2.87 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.
Transport height
Average
11.3 ft (3.45 m)
Low 7.71 ft (2.35 m)Typical 11.1 ft (3.38 m)High 18.4 ft (5.6 m)
Transport height is close to 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 | 644l |
| Category | Wheel Loader |
| Model year / production | 2020-2021 |
Full specifications
Technical details
Performance
Travel speed24.9 mph (40 km/h)
Dimensions
Bucket width9.97 ft (3.04 m)
Maximum discharge height9.42 ft (2.87 m)
Transport height11.3 ft (3.45 m)
Transport length27.3 ft (8.33 m)
Transport width9.42 ft (2.87 m)
Outside turning radius18.3 ft (5.57 m)
Capacity & weight
Maximum bucket capacity4.32 yd³ (3.3 m³)
Minimum bucket capacity3.53 yd³ (2.7 m³)
Weight41,248 lb (18.7 t)
Swing loaderNo
Setup & fitment
Hydraulic quick hitchNo
Mechanical quick hitchNo
Standard tyres23.5 R25
Features
Air conditioningYes
Diesel particulate filterNo
TelescopicNo
Other specifications
Model seriesL
Steering modeAL







