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)