The Case 650K Series 3 crawler dozer is a versatile mid-size machine designed for grading, pushing, and site preparation tasks. Built with a rugged frame, efficient hydrostatic powertrain, and responsive hydraulics, the 650K delivers reliable performance for contractors, municipalities, and agricultural operations. Its combination of power, balance, and operator-focused features makes it a proven dozer in the 80-horsepower class.
General
With an operating weight ranging from 18,200 lb (long track) to over 19,400 lb (LGP), the 650K provides stability and traction across a variety of conditions. Its compact length of about 14 feet and ground clearance of 15 inches allow it to maneuver effectively while maintaining strength and durability.
Engine
The 650K is powered by the Case Family III 445T/M2, a 4-cylinder diesel engine with a displacement of 4.5 L (274 cu in). Rated at 80 gross horsepower (75 net), this Tier II compliant engine delivers efficient torque and dependable performance in earthmoving applications.
Fuel System
The fuel tank holds approximately 50 gallons, supporting long work shifts without frequent refueling. The system is engineered for steady delivery, ensuring reliable performance under continuous load.
Electrical
A 12-volt electrical system with a 65-amp alternator provides dependable starting and powers auxiliary equipment. The system is designed for durability and straightforward maintenance.
Track
Track shoe widths range from 16 inches on long track models to 25 inches on LGP versions. With approximately 88 inches of track on the ground, the 650K maintains excellent traction, flotation, and stability across soft or uneven terrain.
Power Train
The 650K features a dual-path hydrostatic drive controlled by a single lever, allowing smooth, precise control of speed and direction. This system provides infinite speed variability up to 5.5 mph, ensuring flexibility for both heavy pushing and fine grading work.
Brakes
An automatic spring-applied parking brake is integrated into the hydrostatic system, providing reliable holding capability and safety when the machine is stationary.
Hydraulics
The open-center hydraulic system produces about 20.8 GPM of flow at 3,025 psi, supplying strong and responsive control to the blade and mounted equipment. With a hydraulic reservoir of 20 gallons, the system ensures consistent cooling and smooth operation.
Mounted Equipment
The 650K is typically equipped with straight or six-way PAT (power-angle-tilt) blades. Blade capacities range from 2.0 yd³ on long track models to 2.6 yd³ on LGP versions, with widths between 8 and 9 feet. This versatility allows t
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