Case Terratrac 600 Crawler Dozer Repair Manual

The Case Terratrac 600 crawler dozer, manufactured from 1956 to 1958, was one of the mid-range models in the Terratrac lineup. Designed as a compact yet durable crawler tractor, the 600 was equipped with reliable gasoline or optional diesel powerplants, simple gear-drive transmission, and optional hydraulics, making it versatile for farm, light construction, and grading operations. Its rugged frame, balanced track system, and straightforward maintenance design ensured dependable service in challenging working conditions.

General Specifications
With an operating weight of around 8,500–9,200 lb depending on equipment, the Case 600 offered more capacity than the smaller Terratrac 420. Compact dimensions and an open operator platform made it highly maneuverable and easy to maintain, while still delivering enough power for small-to-medium earthmoving tasks.

Engine
The Terratrac 600 was powered by a Continental F162 gasoline engine, a 4-cylinder unit with 162 cu in (2.7 L) displacement, producing around 48 gross horsepower and approximately 42 drawbar horsepower. A diesel option was also offered, giving operators flexibility based on fuel availability and application.

Torque Converter
The 600 used a direct mechanical drive with clutch, without a torque converter. This design provided simple, efficient power transfer and reduced service complexity.

Transmission
The dozer featured a 5-speed sliding gear transmission with five forward and one reverse gear. Forward speeds reached approximately 5 mph, while reverse operated at about 2.8 mph, providing adequate travel and work speeds for utility tasks.

Final Drive
The heavy-duty gear final drives were built to withstand constant load from dozing operations. Rugged gear sets transferred torque reliably to the undercarriage for consistent performance and long service life.

Track System
The undercarriage used 12-inch wide track shoes with about 39 shoes per side, supported by five bottom rollers and one carrier roller. With ground clearance of about 12 inches, the crawler maintained traction and stability across uneven ground while minimizing ground pressure.

Electrical System
Originally delivered with a 6-volt electrical system, many Terratrac 600 units were later upgraded to 12-volt systems for improved starting and lighting. The simple electrical setup powered starting and basic operational components.

Roosa Master Pump
On diesel-equipped versions, a Roosa Master fuel injection pump delivered precise fuel metering to the engine, ensuring efficient combustion and reliable cold starting.

Diesel Injectors
The diesel variant was fitted with simple, serviceable injectors that provided efficient fuel delivery to each cylinder, enhancing performance and fuel economy under sustained load.

Hydraulic System
An optional hydraulic system, with about 8 gallons of fluid capacity, powered dozer blade lifting and loader attachments. The system provided smooth operation and greatly expanded the 600’s versatility for grading and backfilling applications.

Key Highlights

• Production years: 1956 – 1958
• Engine: Continental F162, 4-cyl gasoline (162 cu in / 2.7 L, 48 HP gross, 42 HP drawbar); optional diesel version
• Transmission: 5F / 1R sliding gear; forward speed ~5 mph
• Operating weight: ~8,500–9,200 lb
• Fuel capacity: ~18 gallons; Cooling: ~4 gallons
• Blade: ~1.1 yd³ straight blade capacity
• Track system: 12-in shoes, ~39 per side, 5 bottom rollers, 1 carrier roller
• Ground clearance: ~12 in
• Electrical: 6-volt original, many upgraded to 12-volt
• Optional hydraulics with Roosa Master pump on diesel models
• Open operator platform with simple, reliable controls