2024 John Deere 644 X-Tier Base
- Year 2024
- Make John Deere
- Model 644 X-Tier
- Engine Model: PowerTech PSS 6068
2024 John Deere 644 X-Tier Base
2024 John Deere 644 X-Tier
Features may include:
- Confidently hit loading targets with SmartWeigh™, John Deere’s unique payload weighing system
- New technology offerings enhance operator situational awareness
- Auto Level enables near complete parallelism and buckets and optimized Z-Bar linkage allow you to move more material and reach higher
- All day comfort in the redesigned cab
- E-Drive enables increased productivity and unique machine features
Engine
Engine Manufacturer
John Deere
Engine
Model: PowerTech PSS 6068
Emissions
Rating: EPA Tier 4 / EU Stage V
Displacement
415 Inches³ (6.8 ltr)
Rated Engine Speed
1500 rpm
Engine Power
Net output: 231 hp (172 kW)
Engine Torque
808 lbf / ft (1095 Nm)
Drivetrain
Transmission
Powershift w/Hybrid-Electric Drive
Drivetrain
Number of speeds - forward: 4 / reverse: 2 | Front axle type: Mechanical FWD | Service type: Wet Multi Disc | Service actuation: Hydraulic w/Power Assist
Differential, Front
Locking
Differential, Rear
Open
Brakes
Brake System Type
Wet Disc | Actuation: Hydraulic
Parking Brake
Wet Multi Disc
Wheels & Tires
Tires, Rear Specification
23.5 R25
Operational
Operating Conditions
Breakout force: 34334 lbf (15574 kgf)
Operating Speed
Max. Forward: 22.5 mph (36.2 kph) / Max. Reverse: 7.6 mph (12.2 kph)
Hydraulics
Pump Type
Piston
Maximum Pressure
3650 PSI (251.66 bar)
Hydraulic Pump
70 gallons (US) / min (265 lt/min)
Dimensions
Dimensions
Reach - At 2130mm 45° Dump: 5 ft 3 in (1610 mm)
Width
Over tires: 9 ft 5 in (2875 mm)
Ground Clearance
15.2 inches (386 mm)
Height
Over Cab: 11 ft 4 in (3450 mm) | Pivot Pin: 13 ft 5 in (4090 mm)
Wheelbase
15.2 in (3310 mm)
Capacities
Heaped Capacity
4.25 yd³ (3.2 m³)
Fuel Capacity
92.6 gallons (US) (350 ltr)
Hydraulic Capacity
Tank: 27.3 gallons (US) (103.4 ltr)
Weights
Weight, In Running Order
41571 lbs (18856 kg)
Product Photography
WARNING: Operating, servicing and maintaining a passenger vehicle, an off-highway motor vehicle or a recreational marine vessel can expose you to chemicals including engine exhaust,
carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary,
service your vehicle or vessel in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle or vessel.
For more information go to https://www.p65warnings.ca.gov/products/passenger-vehicle
and https://www.p65warnings.ca.gov/products/marine.