Categories ↠ Wheel Loaders ↠ John Deere 644G

John Deere 644G Wheel Loader

Category: Wheel Loaders ➔
Manufacturer: John Deere ➔
Model: 644G ➔

The John Deere 644G is a wheel loader designed for material handling, loading, stockpiling, and general construction applications. It is part of John Deere's G-series wheel loader lineup and is commonly used in aggregate yards, roadbuilding, site preparation, and industrial material movement. The 644G typically features a front-mounted loader bucket, articulated steering, and a diesel powertrain suited for heavy-duty cycle work. Common uses include loading trucks, moving soil, gravel, sand, and other bulk materials. As a mid-size wheel loader, the 644G is recognized for versatility, operator visibility, and compatibility with a range of attachments and bucket configurations.

See all John Deere 644Gs for sale

Bucket

Breakout Force	35,317.00 lbs (16,019.54 kg)
Bucket Capacity - heaped	3.80 cu yd (2.91 cu m)
Bucket Capacity - struck	3.20 cu yd (2.45 cu m)

Dimensions

Dump Clearance at Max Lift	9.50 ft (2.90 m)
Fork Tine Length	4.60 ft (1.40 m)
Ground Clearance	1.60 ft (0.49 m)
Height - Top of Cab	11.30 ft (3.44 m)
Hinge Pin Max Height	13.20 ft (4.02 m)
Length w/ Bucket on Ground	25.70 ft (7.83 m)
Length with out Forks on Ground	27.20 ft (8.29 m)
Max Lift Height	12.60 ft (3.84 m)
Reach at Max Height and Dump	3.80 ft (1.16 m)
Wheelbase	10.50 ft (3.20 m)
Width Over Tires	9.00 ft (2.74 m)

Engine

Aspiration	Turbocharged w/ Aftercooler
Displacement	466.00 cu in (7,636.39 cu cm)
Engine Model	6076A
Gross Power	178.00 hp (132.74 kw)
Max Torque	598.00 lbs ft (810.77 nm)
Net Power	170.00 hp (126.77 kw)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1300 rpm

Hydraulic System

Dump Time	1.8 seconds
Lower Time	3.5 seconds
Pump Flow Capacity	69.50 gpm (263.06 lpm)
Pump Type	Gear
Raise Time	6.2 seconds
Relief Valve Setting	3000 psi

Operating Specifications

Alternator Supplied Amperage	95 amps
Cooling System Fluid Capacity	7.60 gal (28.77 l)
Engine Oil Capacity	6.40 gal (24.22 l)
Front Diff Fluid Capacity	7.60 gal (28.77 l)
Fuel Capacity	75.00 gal (283.88 l)
Hydraulic System Fluid Capacity	30.40 gal (115.06 l)
Operating Voltage	12 volts
Operating Weight	35,236.00 lbs (15,982.80 kg)
Rear Axle Oscillation	26 degrees
Rear Diff Fluid Capacity	7.60 gal (28.77 l)
Static Tipping Load - Bucket	26,228.00 lbs (11,896.84 kg)
Static Tipping Load - Forks	18,251.00 lbs (8,278.52 kg)
Static Tipping Load - Material Handler	13,290.00 lbs (6,028.25 kg)
Tire Size	20.5-25
Transmission Fluid Capacity	3.70 gal (14.00 l)
Turning Radius	18.00 ft (5.49 m)

Transmission

Max Speed Forward	21.50 mph (34.60 kph)
Max Speed Reverse	13.70 mph (22.05 kph)
Number of Forward Gears	4
Number of Reverse Gears	3
Transmission Type	Power Shift

John Deere 644Gs currently for sale

A 1998 John Deere 644G From 4M Iron LLC for $44,500.00 USD

A 2024 John Deere 644G From West Side Tractor Sales Co. Inc. for $210,000.00 USD

A 2023 John Deere 644G From West Side Tractor Sales Co. Inc. for $220,000.00 USD

A 2024 John Deere 644G From RDO Equipment Company for $241,180.00 USD

A 2023 John Deere 644G From Newman Tractor for $195,000.00 USD

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