1974-1989 JOHN DEERE 304J WHEEL LOADERS

Technical Description

The John Deere 304J is a compact wheel loader designed for versatile medium-duty operations. Powered by a turbocharged John Deere 5030T five-cylinder diesel engine producing 73 hp (54 kW) at 2800 rpm, it delivers a breakout force of 12,364 lbs (5,608 kg) for efficient material handling. The loader features a rated bucket capacity of 1.4 cubic yards (1 m³) with an 86.6-inch (2.2 m) wide bucket. Its hydraulic system includes a gear pump with a flow capacity of 25 gallons per minute (95 liters per minute) and operates at a relief valve setting of 2,750 psi, enabling raise, dump, and lower times of approximately 5.3, 1.6, and 4.5 seconds respectively. The 304J has an operating weight of 13,404 lbs (6,080 kg), a ground clearance of 15.2 inches (0.39 m), and a 7.5-foot (2.3 m) wheelbase. Dimensions include a length of about 20.1 feet (6 m) with the bucket on the ground, a width over tires of 29.5 inches (0.75 m), and a cab height of 9.2 feet (2.8 m). The hydraulic transmission provides two forward and two reverse gears with a maximum speed of 18.6 mph (30 km/h). The machine includes a 22-gallon (83 liters) fuel capacity and 12 V electrical system supplying 65 A alternator amperage. Tires are sized 405/70R20, and the rear axle offers 20° oscillation for enhanced terrain adaptability. The 304J is well suited for construction, landscaping, and agricultural applications requiring power, maneuverability, and reliability in a compact package.