- Dump Clearance At Max Raise: 9.66 ft / 2942 mm
- Bucket Capacity - Heaped: 4 yd3 / 3.06 m3
- Bucket Capacity - Struck: 3.63 yd3 / 2.78 m3
- Bucket Width: 10.01 ft / 3050 mm
Published dimensions and weight
John Deere 644GH
Weighing roughly 16.6 t and rated at 185 hp, the John Deere 644GH is a wheel loader in its size class.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight36634 lb16617 kg
03Selected published values47
Wheel loaders are commonly used to load, carry and stockpile loose material on prepared surfaces. Published rows for John Deere 644GH include published bucket capacity of 4 yd3 / 3.06 m3, published breakout force of 38045 lb / 169.24 kN, published operating weight of 36634 lb / 16617 kg. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Dump Clearance At Max Raise” field (9.66 ft / 2942 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Bucket Capacity - Heaped” field (4 yd3 / 3.06 m3) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Bucket Capacity - Struck” field (3.63 yd3 / 2.78 m3) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Bucket
Dump Clearance At Max Raise9.66 ft2942 mm
Bucket Capacity - Heaped4 yd33.06 m3
Bucket Capacity - Struck3.63 yd32.78 m3
Bucket Width10.01 ft3050 mm
Breakout Force38045 lb169.24 kN
Dimensions
Ground Clearance1.59 ft483 mm
Length With Bucket On Ground25.79 ft7860 mm
Width Over Tires8.97 ft2732 mm
Height To Top Of Cab11.23 ft3420 mm
Wheelbase10.5 ft3200 mm
Hinge Pin - Max Height13.13 ft4000 mm
Reach At Max Lift And Dump3.45 ft1049 mm
Engine
Number Of Cylinders66
Engine Make22402240
Engine Model6076A6076A
Net Power185 hp138 kw
Gross Power196 hp146 kw
Power Measured @2200 rpm2200 rpm
Max Torque643 lb ft872 Nm
Displacement466 cu in7.7 L
Torque Measured @1300 rpm1300 rpm
AspirationTurbocharged and AftercooledTurbocharged and Aftercooled
Operational
Operating Weight36634 lb16617 kg
Fuel Capacity75.1 gal284 L
Hydraulic System Fluid Capacity30.4 gal115 L
Engine Oil Fluid Capacity6.4 gal24 L
Cooling System Fluid Capacity7.6 gal28.5 L
Transmission Fluid Capacity3.7 gal14 L
Front Axle/Diff Fluid Capacity7.4 gal28 L
Rear Axle/Diff Fluid Capacity7.4 gal28 L
Static Tipping Weight29712 lb13477.2 kg
Turning Radius18 ft5460 mm
Operating Voltage12 V12 V
Alternator Supplied Amperage95 amps95 amps
Rear Axle Oscillation26 degrees26 degrees
Tire Size20.5-2520.5-25
Transmission
Transmission TypePowershiftPowershift
Number Of Forward Gears44
Number Of Reverse Gears33
Max Speed - Forward21.5 mph34.6 km/h
Max Speed - Reverse13.7 mph22 km/h
Hydraulic System
Relief Valve Setting3000 psi20684.3 kPa
Pump Flow Capacity69.5 gal/min263.1 L/min
Raise Time6.2 sec6.2 sec
Dump Time1.8 sec1.8 sec
Lower Time3.5 sec3.5 sec
Pump TypeGear pump typeGear pump type
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Manufacturer-published specifications.