Technical Description
The John Deere 444H is a mid-size wheel loader powered by a 4-cylinder, 4.5L turbocharged diesel engine producing 110 net horsepower (82 kW) at 2,200 rpm, with maximum torque of 325 lb-ft at 1,400 rpm. This versatile machine features a 2.5 cubic yard heaped bucket capacity with an impressive 16,592 lbs breakout force, making it suitable for diverse material handling applications. The loader measures 22.1 feet in length with bucket on ground, stands 10.3 feet tall at cab, and operates at 21,457 lbs, providing stable performance across various jobsites. Its four-speed automatic powershift transmission delivers speeds up to 24.8 mph forward and 16.3 mph reverse, enabling efficient movement between work areas. The hydraulic system incorporates a 36 gal/min piston pump with 3,600 psi relief valve setting, achieving rapid cycle times: 5-second raise, 1.1-second dump, and 2.6-second lower. Static tipping loads reach 16,021 lbs with bucket, 9,621 lbs with forks, and 7,145 lbs with material handler attachments. The machine features a 48-gallon fuel capacity and 28.1-gallon hydraulic reservoir, supported by integrated cooling and lubrication systems. With 24-volt electrical architecture, 55-amp alternator output, and 17.5-25 tire size, the 444H delivers reliability and productivity for construction, landscaping, and material handling operations.
