John Deere 644D Wheel Loaders
DEERE 644D
5+
sold in last yearGeneral overview
DEERE 644D is a wheel loader used for loading and material handling in construction and site preparation work. It is powered by a John Deere 6-466T engine rated at 121 kW (165 hp), and its operating weight is 13,299 kg (29,320 lb). Those figures place it in a mid-size loader class suited to general loading duties.
The model is configured with a 2 m³ (2.6 cu yd) heaped bucket capacity and a travel speed forward of 43 km/h (26.7 mph). Its 3,200 mm (10 ft 6 in) cab height, 2,920 mm (9 ft 7 in) wheelbase, 5,029 mm (16 ft 6 in) turning radius over bucket, and 22° articulation angle define a loader built for maneuvering in confined jobsite conditions while handling bulk materials.
Year
1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Country of manufacturing
United States
General specifications
Dimensions
Length
Height
Width
7,038 mm
~277.1 in
3,200 mm
~126 in
2,743 mm
~108 in
Engine Power
165 hp
Operating Weight
13,299 kg
Bucket Capacity
1.7 cu(m)
Bucket Capacity - Heaped
2 cu(m)
Additional specifications
Displacement
7 cu(m)
Fuel tank
253 L
Cooling system
28 L
Height to top of cab
3,200 mm
Wheelbase
2,920 mm
Number of Cylinders
6
Ground clearance with standard tires
515 mm
Battery Voltage
12
Width
2,606 mm
System Relief Pressure
18,100 kPa
Travel Speed Forward
43 km/h
Engine Model
John Deere 6-466T
Battery Capacity
625
Engine Oil
19 L
Power - Net
155 hp
Net Power (ISO 9249)
165 hp
General Purpose
2 cu(m)
Light Material
2 cu(m)
Hydraulic Cycle Time - Lift
4 s
Overall Length - With Bucket
7,038 mm
Reach at Maximum Dump Height
914 mm
Load Over Height
3,963 mm
Hinge Pin at Maximum Height
3,963 mm
Turning Radius - Over Bucket
5,029 mm
Width - Over Bucket
2,743 mm
Articulation Angle
22 deg
Hydraulic System
95 L
Rated Operating Capacity
3,020 kg
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Most popular
What is the average price of a DEERE 644D?
No confirmed market price is supplied for the DEERE 644D. Check current listings and compare machine condition, location, and configuration.
What are the key advantages of the DEERE 644D?
The supplied specifications list a 2 m³ (2.62 cu yd) heaped bucket, 123 kW (165 hp) engine power, 13,299 kg (29,319 lb) operating weight, 43 km/h (26.7 mph) forward travel speed, and a 4 s hydraulic lift cycle time.
What type of engine does the 644D use?
The 644D uses a John Deere 6-466T engine with 6 cylinders and 7 m³ (9.16 cu yd) displacement.
How much horsepower does the 644D have?
Engine Power is listed as 123 kW (165 hp). Power - Net is listed as 115.6 kW (155 hp), while Net Power (ISO 9249) is listed as 123 kW (165 hp).
What fuel does the DEERE 644D use?
The supplied specifications do not confirm the fuel type for the DEERE 644D. They list a fuel tank capacity of 253 L (66.8 US gal).
What jobs is this Wheel Loaders best suited for?
The supplied data identifies the DEERE 644D as a Wheel Loaders model and lists a 2 m³ (2.62 cu yd) bucket capacity. It does not confirm specific job applications or material types.
What is the expected lifespan of the 644D?
The supplied data does not provide an expected service life for the 644D. For a used machine, inspect maintenance records, engine condition, hydraulic performance, tires, articulation components, bucket linkage, and signs of leaks or structural damage.
What should a buyer check when purchasing a used Wheel Loaders?
Check maintenance records, engine starting and operation, hydraulic lift function, leaks, tire condition, articulation joint play, steering, brakes, bucket and linkage wear, cab controls, and structural damage. Verify that the machine’s configuration and condition match the seller’s description.
