Case 1000D Crawler Dozer Repair Manual

The Case 1000D crawler dozer, produced during the late 1950s and 1960s, was engineered for heavy-duty earthmoving and dozing operations. Featuring Case’s rugged crawler design, the 1000D combined a high-horsepower Continental diesel engine, hydrostatic Terramatic transmission, and heavy-duty undercarriage to provide reliable performance in industrial and construction environments.

General
The Case 1000D weighs approximately 16,450 lb without attachments, offering a balance of stability and pushing power. Its solid crawler frame and straightforward design emphasize durability and ease of maintenance for long service life under tough working conditions.

Engine
Powered by a Continental JD382 4-cylinder diesel engine, the 1000D delivers 100 gross horsepower (87 net at the flywheel). The engine is designed to provide steady torque for demanding applications, making it suitable for large-scale grading and dozing tasks. Operators noted that proper cooling management was essential to prevent cylinder head issues.

Fuel System
A diesel fuel system supports the Continental engine, designed for consistent delivery and efficient combustion. With ample tank capacity, the 1000D was capable of running extended shifts without interruption.

Power Train
The 1000D features the Case Terramatic continuously variable hydrostatic transmission, which provides smooth, uninterrupted power to the tracks. This transmission eliminates the need for frequent gear shifting, allowing precise control and efficient operation across varying loads.

Track and Suspension
The heavy-duty crawler undercarriage distributes the machine’s weight effectively, ensuring traction and flotation in rough ground conditions. The track system is reinforced to withstand prolonged use in demanding environments.

Electrical
A 12-volt electrical system provides starting, lighting, and basic operational support. The simple configuration ensures reliability and ease of service.

Hydraulics
The 1000D is equipped with a hydraulic system to operate its 8.5-foot bull-blade with tilt/crown functionality. While exact fluid capacities were modest for its class, the system provided reliable blade control for grading and material movement.

Mounted Equipment
The machine is fitted with an 8.5 ft bull-blade, capable of tilt adjustments for crowning and precision grading. Optional rippers or winches could be installed at the rear to extend its versatility in construction and land clearing applications.

Key Highlights

• Production years: Late 1950s – 1960s
• Engine: Continental JD382, 4-cyl diesel, 100 gross HP / 87 net HP
• Transmission: Case Terramatic continuously variable hydrostatic drive
• Operating weight: ~16,450 lb (without attachments)
• Blade: 8.5 ft bull-blade with tilt/crown configuration
• Track system: Heavy-duty crawler undercarriage for traction and stability
• Electrical: 12-volt system for starting and lighting
• Known issue: Cylinder head cracking risk under overheating/over-fueling conditions