John Deere 644 X-Tier Mid-Size Wheel Loader
| Make | John Deere |
| Model | 644 X-Tier |
| Type | Mid-Size Wheel Loaders |
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Description
Powerful Mid-Size Performance with the John Deere 644 Loader
The John Deere 644 Loader delivers the strength, efficiency, and reliability contractors expect from a mid-size wheel loader. Built for demanding material handling tasks such as aggregate loading, site preparation, and construction support, the 644 X-Tier combines powerful breakout force with smooth hydraulic control and a comfortable operator environment.
Contractors across California, Nevada, and Idaho rely on Coastline Equipment to access dependable John Deere machines like the John Deere 644 Loader, along with the parts, service, and equipment support needed to keep projects moving.
Net Power: 172 kW (231 hp) at 1,500 rpm
Operating Weight: 18 856–18 892 kg (41,571–41,649 lb.)
Bucket Capacity: 3.1–3.6 m3 (4.0–4.75 cu. yd.)
Models
Ground-Level Service
- All daily service points including fuel are conveniently grouped on the left side of the machine at ground level, for easy access.
- Hinged doors enable wide-open access to the engine, cooling system, and other components.
Buckets & Linkage
- A wide-ranging selection of enhanced production buckets with integrated spill guards, curved side cutters, and impressive rollback maximizes bucket-fill performance and material retention.
- Choose from hi-vis and JRB-style couplers to maximize fleet versatility and machine utilization.
Performance and Capability
The John Deere 644 Loader is designed to maintain productivity in high-volume material handling environments. Its balanced machine design supports strong lifting capability while maintaining smooth operation, helping operators complete loading cycles efficiently.
Performance highlights include:
High breakout force to move heavy material quickly
Responsive hydraulic systems that support precise bucket control
Efficient lift capacity for fast truck loading and material transfer
Durable construction designed for demanding jobsite conditions
These capabilities allow operators to maintain steady production throughout long workdays while handling a wide range of material types.
Operator-Focused Cab Features
Long operating hours require a machine that supports the operator as much as it supports the workload. The John Deere 644 Loader features a cab design that focuses on visibility, comfort, and intuitive controls.
Operators benefit from:
Excellent visibility to the bucket and work area
Ergonomic controls that reduce fatigue
A spacious cab designed for comfort during extended shifts
Easy-to-read displays that provide real-time machine information
These features help improve productivity by allowing operators to maintain better awareness and control while working.
Versatile Applications on the Jobsite
The John Deere 644 Loader is frequently used in construction, aggregate, and infrastructure environments where dependable material movement is essential. Its lifting power and smooth control allow it to handle a variety of tasks throughout the workday.
Common applications include:
Loading trucks with soil, gravel, and aggregate
Moving materials across construction sites
Supporting roadbuilding and infrastructure projects
Handling bulk materials in quarry and yard environments
Assisting with site development and land preparation
Because of its versatility, the John Deere 644 Loader often serves as a core machine within many construction fleets.
Equipment Support from Coastline Equipment
Coastline Equipment supports contractors with reliable John Deere equipment, along with parts and service resources designed to keep machines operating at peak performance. In addition to wheel loaders like the John Deere 644 Loader, we offer many other John Deere equipment options.
Coastline Equipment operates locations across California, Nevada, and Idaho. Take a look at our dealership locations to find the one closest to you and better understand what each location has to offer, as some are parts-only.
Learn More About the John Deere 644 Loader
If you are looking for dependable performance for material handling, loading, and construction applications, the John Deere 644 Loader offers the power and versatility needed to keep work moving. Contact Coastline Equipment today to learn more about availability, request equipment information, or connect with your nearest dealership location.
EH Controls
- Seat-mounted hydraulic controls include two programmable multifunction buttons and intuitive electrohydraulic (EH) controls.
- With the capacity to control up to six functions on the single hydraulic joystick, cycle times and productivity when using hydraulic attachments are improved.
E-Drive Innovation
- Innovative E-Drive transmission system delivers premium performance and efficiency. System includes an engine-driven generator plus an inverter to control the electric motor that drives a simplified PowerShift™ transmission.
Comfortable Cab
- Spacious cab boasts ample legroom and features ergonomically placed controls, foot pedals, and sealed-switch module.
- Running wide open at 1,600 rpm, the in-cab noise rating is just 70 dBA.
Specifications
- CAPACITIES - Alternator Output, Amp: 140
- CAPACITIES - Axle - Front, ltr (gallons (US)): 22 (5.75)
- CAPACITIES - Axle - Rear, ltr (gallons (US)): 22 (5.7)
- CAPACITIES - Breakout - Bucket , kgf (lbf): 15574 (34334)
- CAPACITIES - Fuel Tank, ltr (gallons (US)): 350 (92.6)
- CAPACITIES - Heaped Capacity, m³ (yd³): 3.2 (4.25)
- CAPACITIES - Hydraulic Tank, ltr (gallons (US)): 103.4 (27.3)
- CAPACITIES - Largest bucket capacity, m³ (yd³): 3.4 (4.5)
- CAPACITIES - Pump Flow - 1, lt/min (gallons (US) / min): 265 (70)
- CAPACITIES - Pump Type: Piston
- CAPACITIES - Ride Control System: Optional
- CAPACITIES - Smallest bucket capacity, m³ (yd³): 3.2 (4.25)
- CAPACITIES - System Pressure, bar (PSI): 251.66 (3650)
- CAPACITIES - System Voltage, V: 24
- CAPACITIES - Transmission, ltr (gallons (US)): 32 (8.5)
- DIMENSIONS - Ground clearance, mm (inches): 386 (15.2)
- DIMENSIONS - Height - Over Cab, mm (ft/in): 3450 (11 ft 4 in)
- DIMENSIONS - Height - Pivot Pin, mm (ft/in): 4090 (13 ft 5 in)
- DIMENSIONS - Length - Including Bucket, mm (ft/in): 8260 (27 ft 1 in)
- DIMENSIONS - Reach - At 2130mm 45° Dump, mm (ft/in): 1610 (5 ft 3 in)
- DIMENSIONS - Turning Circle - Maximum, mm (ft/in): 13000 (42 ft 9 in)
- DIMENSIONS - Wheelbase, mm (ft/in): 3310 (10 ft 10 in)
- DIMENSIONS - Width Over tires - Std, mm (ft/in): 2875 (9 ft 5 in)
- DRIVELINE - Displacement, ltr (Inches³): 6.8 (415)
- DRIVELINE - Emission Rating: Tier 4 / Stage V
- DRIVELINE - Engine Manufacturer : John Deere
- DRIVELINE - Engine Model: PowerTech PSS 6068
- DRIVELINE - Engine Output - Net, kW (hp): 172 (231)
- DRIVELINE - Front Differential Type: Locking
- DRIVELINE - Parking Brake - Type: Wet Multi Disc
- DRIVELINE - Rated Speed, rpm: 1500
- DRIVELINE - Rear Differential Type: Open
- DRIVELINE - Service Brake - Actuation: Hydraulic
- DRIVELINE - Service Brake - Location: All Wheels
- DRIVELINE - Service Brake - Type: Wet Disc
- DRIVELINE - Tire size - Standard: 23.5 R25
- DRIVELINE - Torque Rise, %: 36
- DRIVELINE - Torque, Nm (lbf / ft): 1095 (808)
- DRIVELINE - Transmission Type: Powershift w/Hybrid-Electric Drive
- WEIGHTS - Operating Weight, kg (lbs): 18856 (41571)
Features
- Operating Weight: 18,856-18,892 kg (41,571-41,649 lb.)
- Bucket Capacity: 3.1-3.6 m3; (4.0-4.75 cu. yd.)
- Engine Net Power: 172 kW (231 hp)
Copy Set
Ground-Level Service
- All daily service points including fuel are conveniently grouped on the left side of the machine at ground level, for easy access.
- Hinged doors enable wide-open access to the engine, cooling system, and other components.
Buckets & Linkage
- A wide-ranging selection of enhanced production buckets with integrated spill guards, curved side cutters, and impressive rollback maximizes bucket-fill performance and material retention.
- Choose from hi-vis and JRB-style couplers to maximize fleet versatility and machine utilization.
Performance and Capability
The John Deere 644 Loader is designed to maintain productivity in high-volume material handling environments. Its balanced machine design supports strong lifting capability while maintaining smooth operation, helping operators complete loading cycles efficiently.
Performance highlights include:
High breakout force to move heavy material quickly
Responsive hydraulic systems that support precise bucket control
Efficient lift capacity for fast truck loading and material transfer
Durable construction designed for demanding jobsite conditions
These capabilities allow operators to maintain steady production throughout long workdays while handling a wide range of material types.
Operator-Focused Cab Features
Long operating hours require a machine that supports the operator as much as it supports the workload. The John Deere 644 Loader features a cab design that focuses on visibility, comfort, and intuitive controls.
Operators benefit from:
Excellent visibility to the bucket and work area
Ergonomic controls that reduce fatigue
A spacious cab designed for comfort during extended shifts
Easy-to-read displays that provide real-time machine information
These features help improve productivity by allowing operators to maintain better awareness and control while working.
Versatile Applications on the Jobsite
The John Deere 644 Loader is frequently used in construction, aggregate, and infrastructure environments where dependable material movement is essential. Its lifting power and smooth control allow it to handle a variety of tasks throughout the workday.
Common applications include:
Loading trucks with soil, gravel, and aggregate
Moving materials across construction sites
Supporting roadbuilding and infrastructure projects
Handling bulk materials in quarry and yard environments
Assisting with site development and land preparation
Because of its versatility, the John Deere 644 Loader often serves as a core machine within many construction fleets.
Equipment Support from Coastline Equipment
Coastline Equipment supports contractors with reliable John Deere equipment, along with parts and service resources designed to keep machines operating at peak performance. In addition to wheel loaders like the John Deere 644 Loader, we offer many other John Deere equipment options.
Coastline Equipment operates locations across California, Nevada, and Idaho. Take a look at our dealership locations to find the one closest to you and better understand what each location has to offer, as some are parts-only.
Learn More About the John Deere 644 Loader
If you are looking for dependable performance for material handling, loading, and construction applications, the John Deere 644 Loader offers the power and versatility needed to keep work moving. Contact Coastline Equipment today to learn more about availability, request equipment information, or connect with your nearest dealership location.
EH Controls
- Seat-mounted hydraulic controls include two programmable multifunction buttons and intuitive electrohydraulic (EH) controls.
- With the capacity to control up to six functions on the single hydraulic joystick, cycle times and productivity when using hydraulic attachments are improved.
E-Drive Innovation
- Innovative E-Drive transmission system delivers premium performance and efficiency. System includes an engine-driven generator plus an inverter to control the electric motor that drives a simplified PowerShift™ transmission.
Comfortable Cab
- Spacious cab boasts ample legroom and features ergonomically placed controls, foot pedals, and sealed-switch module.
- Running wide open at 1,600 rpm, the in-cab noise rating is just 70 dBA.
