Categories ↠ Wheel Loaders ↠ John Deere 644H

John Deere 644H Wheel Loader

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

The John Deere 644H is a wheel loader designed for material handling, stockpiling, loading, and general construction work. It is part of John Deere's H-series loader lineup and is commonly used in aggregate yards, roadbuilding, site preparation, and industrial applications. The 644H features a front-mounted bucket, articulated steering, and a diesel powertrain suited to repetitive loading cycles. Typical configurations include general-purpose, light material, and heavy-duty buckets, along with optional attachments for specialized tasks. Known for its balance of lift capacity, breakout force, and maneuverability, the 644H remains a recognized mid-size wheel loader in the used equipment market.

See all John Deere 644Hs for sale

Bucket

Breakout Force	28,976 lbs (13,143 kg)
Bucket Capacity - heaped	4 cu yd (3 cu m)
Bucket Capacity - struck	4 cu yd (3 cu m)

Dimensions

Dump Clearance at Max Lift	9 ft (3 m)
Fork Tine Length	5 ft (2 m)
Ground Clearance	2 ft (0 m)
Height - Top of Cab	11 ft (3 m)
Hinge Pin Max Height	14 ft (4 m)
Length w/ Bucket on Ground	27 ft (8 m)
Length with out Forks on Ground	28 ft (9 m)
Max Lift Height	13 ft (4 m)
Reach at Max Height and Dump	4 ft (1 m)
Wheelbase	11 ft (3 m)
Width Over Tires	10 ft (3 m)

Engine

Aspiration	Turbocharged
Displacement	496 cu in (8,128 cu cm)
Engine Model	6081H
Gross Power	180 hp (134 kw)
Max Torque	755 lbs ft (1,024 nm)
Net Power	221 hp (165 kw)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1300 rpm
Torque Rise	75%

Hydraulic System

Dump Time	1.4 seconds
Lower Time	3 seconds
Pump Flow Capacity	68 gpm (257 lpm)
Pump Type	Piston Pump
Raise Time	6.2 seconds
Relief Valve Setting	3600 psi

Operating Specifications

Alternator Supplied Amperage	55 amps
Fuel Capacity	100 gal (379 l)
Operating Voltage	24 volts
Operating Weight	38,876 lbs (17,634 kg)
Rear Axle Oscillation	26 degrees
Static Tipping Load - Bucket	31,210 lbs (14,157 kg)
Static Tipping Load - Forks	22,782 lbs (10,334 kg)
Tire Size	23.5-25
Turning Radius	18 ft (6 m)

Transmission

Max Speed Forward	22 mph (35 kph)
Max Speed Reverse	16 mph (25 kph)
Number of Forward Gears	4
Number of Reverse Gears	3
Transmission Type	Power Shift

John Deere 644Hs currently for sale

A 1998 John Deere 644H From McCoy Construction & Forestry for $54,000.00 USD

A 2003 John Deere 644H From Ritchie Bros. Auctioneers for Auction Pricing

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