John Deere 444K Wheel Loader

Description:

The John Deere 444K Wheel Loader is a compact, high-performance machine built for fuel efficiency, operator comfort, and precise control. Featuring the PowerTech™ PVX 4.5L Final Tier 4 engine, a hydraulic reversing fan, and smart loader controls, the 444K delivers excellent breakout force, fast cycle times, and reliable uptime. It's designed for applications in construction, agriculture, and municipal utility work where tight maneuvering and high lift capacity are essential.

Key Specifications:

• Engine: John Deere PowerTech PVX 4045, 4-cylinder, 4.5L turbocharged diesel

• Net Power: 124 hp (93 kW)

• Transmission: John Deere PowerShift™ 5-speed automatic with lock-up torque converter

• Hydraulic System: Load-sensing with axial piston pump – 41 GPM @ 3,626 psi

• Operating Weight: 25,814 lbs

• Breakout Force: 20,464 lbf

• Lift Capacity: ~12,000 lbs

• Travel Speed: Up to 24.9 mph

• Bucket Capacity: 2.5–3.0 cu. yd

Maintenance & Common Parts:

• Maintenance includes DEF system servicing, hydraulic filter replacement, and cleaning the hydraulic reversing fan.

• Common replacement parts: Hydraulic seal kits, DEF sensors, transmission solenoids, pins and bushings, air filters.

• Common issue: DPF clogging or regeneration failure—address with regular parked regens and proper DEF quality checks.

Pro Tips:

• Perform manual regen weekly in cold climates to prevent DPF issues.

• Clean radiator and charge air cooler fins regularly, especially when working in dusty environments.

Serial Number Info:
Serial number is located on the right side of the machine frame near the articulation joint or rear step. Always confirm your serial number to match parts accurately between early and later 444K production models.