John Deere 744H Wheel Loader

Description:

The John Deere 744H Wheel Loader is a high-capacity, heavy-duty machine built for demanding construction, mining, and aggregate work. With a John Deere 6125H turbocharged diesel engine, advanced load-sensing hydraulics, and Z-bar loader linkage, the 744H delivers strong breakout force and fast cycle times. Designed for operator comfort and extended uptime, the 744H features a fully automatic powershift transmission, spacious cab, and easily serviceable components.

Key Specifications:

• Engine: John Deere 6125H, 6-cylinder, 12.5L turbocharged diesel

• Net Power: 275 hp (205 kW)

• Transmission: Full powershift, 4-speed automatic with torque converter

• Hydraulic System: Load-sensing, axial piston pump – 78 GPM @ 3,200 psi

• Operating Weight: 55,000 lbs

• Breakout Force: 41,000+ lbf

• Lift Capacity: Approx. 30,000 lbs

• Travel Speed: Up to 23.5 mph

• Bucket Capacity: 6.0–7.25 cu. yd

Maintenance & Common Parts:

• Standard service includes engine oil/filter, transmission filter changes, hydraulic fluid inspection, and cooling system maintenance.

• Frequently replaced parts: Hydraulic cylinder seal kits, axle components, powershift solenoids, loader pins and bushings, brake valve kits.

• Known issue: Transmission shifting delay or overheating—commonly linked to clogged coolers or worn solenoids.

Pro Tips:

• Monitor transmission temps and clean the oil cooler regularly to prevent derate conditions.

• Grease articulation and loader pivot points daily under high-duty use to extend service life.

Serial Number Info:
Serial number plate is located on the right-hand side of the frame near the articulation joint. Always verify serial number when ordering driveline, hydraulic, or axle components—model-year differences can affect part fitment.