1981 Autocar C / DC 1981 Base Tractor Truck – Long Conventional

Common Issues

Owners of the 1981 Autocar C/DC often report issues related to the fuel system, such as clogged fuel filters and injectors. Electrical problems, particularly with wiring and connections, can also arise. Additionally, wear on suspension components and drivetrain can lead to handling issues.

Maintenance Tips

Regular maintenance is essential for the Autocar C/DC. Change the oil and oil filter every 3,000 to 5,000 miles, and inspect the fuel filters regularly. Check the cooling system, including hoses and the radiator, for leaks and blockages. Keep an eye on the suspension components for signs of wear, and ensure tire pressure is maintained for optimal performance.

Typical Repair/Owership Cost Ranges

Repair costs for the 1981 Autocar C/DC can vary widely based on the specific issue and labor rates in your area. Routine maintenance may cost around $200 to $500 per service, while major repairs such as engine rebuilds or transmission replacements can range from $2,000 to $5,000. Ownership costs, including insurance and fuel, should also be considered.

Buying Advice (What to Inspect)

When inspecting a used Autocar C/DC, check for signs of rust or corrosion on the chassis and body. Review maintenance records to ensure proper service history. Examine the condition of the engine and transmission, looking for leaks and unusual noises. Test the brakes and suspension for responsiveness, and inspect the tires for even wear.

FAQ

What is the fuel efficiency of the 1981 Autocar C/DC? Fuel efficiency can vary, but expect around 6 to 8 miles per gallon under normal conditions.

What type of oil should I use for the engine? Use a high-quality diesel engine oil, typically 15W-40, suited for older engines.

Are parts readily available for this model? While some parts can be found through specialized suppliers, others may require sourcing from salvage yards or aftermarket providers.

How often should I change the fuel filter? It is recommended to change the fuel filter every 10,000 miles or as needed based on performance.

What is the towing capacity of the Autocar C/DC? Towing capacity can vary but is typically around 30,000 pounds, depending on the configuration.

Is the Autocar C/DC good for off-road use? Yes, the 6x6 drive system makes it capable for off-road conditions, making it suitable for various terrains.

What should I do if the engine overheats? Check the coolant level and look for leaks. If the issue persists, have the cooling system inspected by a professional.

How can I improve the performance of my Autocar C/DC? Regular maintenance, including timely oil changes and air filter replacements, can help maintain performance.