A 1987 Mack box truck of this size is a heavy-duty commercial vehicle, not a consumer purchase

A 1987 Mack box truck with a 12-foot cargo height and 32-foot length is a Class 8 heavy-duty commercial vehicle designed for freight hauling, not personal use. These trucks were built to move large loads over long distances and require a commercial driver's license (CDL), commercial insurance, and compliance with Department of Transportation (DOT) regulations. If you are considering buying one, you are entering commercial trucking territory, which means different rules, costs, and responsibilities than buying a standard pickup or van.

The truck's age — now over 35 years old — means you will be dealing with an older mechanical system, parts availability challenges, and potentially significant repair costs. Mack trucks from this era are known for durability, but finding technicians who specialize in 1980s Mack engines and transmissions is harder than it was when these trucks were new. The resale market for used heavy-duty trucks is also narrower than for light-duty vehicles, which affects both what you can sell it for and how long it may take to find a buyer.

Key Takeaways

  • Operating this truck legally requires a Class A CDL, which involves written tests, a skills test, and medical certification through the Federal Motor Carrier Safety Administration (FMCSA).
  • You will need commercial liability insurance, which costs significantly more than personal auto insurance and requires proof of DOT registration and authority if you operate for hire.
  • A 1987 Mack of this size will likely need a pre-purchase inspection by a heavy-duty truck mechanic, because hidden engine or transmission problems can cost thousands to repair.
  • Fuel consumption on a truck this size typically ranges from 5 to 7 miles per gallon, and diesel prices directly affect your operating costs.
  • If you plan to haul freight commercially, you must register with the FMCSA, obtain a Motor Carrier Number, and comply with hours-of-service rules and logbook requirements.

Licensing and legal requirements for operating this truck

You cannot legally operate a Class 8 truck on public roads without a commercial driver's license. The CDL process varies by state but always includes a written knowledge test covering air brakes, combination vehicles, and hazmat (if applicable), a pre-trip inspection test, and a behind-the-wheel driving test. Most states require you to pass the written test first, then schedule the skills test at a CDL testing facility. The entire process typically takes several weeks to several months, depending on how quickly you can schedule tests and how many attempts you need.

Before you can get a CDL, you must obtain a medical certificate from a DOT-certified medical examiner. This certificate confirms you meet vision, hearing, and general health standards set by the FMCSA. The certificate is valid for two years and must be renewed before it expires. If you have certain medical conditions — sleep apnea, diabetes, heart disease, or high blood pressure — you may need additional documentation or may not be certified at all.

If you plan to haul freight for payment, you also need a Motor Carrier Number from the FMCSA. This is a separate registration that identifies you as a for-hire carrier and subjects you to safety audits, compliance reviews, and record-keeping requirements. You can explore for a Motor Carrier Number through the FMCSA's online system, but approval is not automatic and can take several weeks.

Insurance and registration costs for commercial operation

Commercial truck insurance is not optional and is far more expensive than personal auto insurance. A commercial liability policy for a heavy-duty truck typically costs between $1,500 and $3,000 per year, depending on your driving record, the truck's cargo type, your operating radius, and whether you haul hazmat. Some insurers require the truck to pass a safety inspection before they will quote a policy. If you haul for hire, you must carry a minimum of $750,000 in liability coverage for a truck this size, which is set by federal regulation.

You will also need to register the truck with your state's Department of Motor Vehicles as a commercial vehicle. Registration fees for Class 8 trucks vary widely by state and are often based on the truck's gross vehicle weight rating (GVWR). A 1987 Mack box truck of this size likely has a GVWR between 26,000 and 36,000 pounds, which puts it in the highest registration tier in most states. Annual registration can range from $300 to $1,500 depending on your state.

If the truck will be parked at a fixed location when not in use, you may also need commercial parking or storage space, which adds to monthly operating costs. Many owner-operators lease parking at truck stops or warehouses, which can cost $200 to $500 per month depending on location and amenities.

Mechanical condition and inspection before purchase

A 1987 Mack is old enough that you should never buy one without a pre-purchase inspection by a mechanic who specializes in heavy-duty trucks. Generic mechanics or shops that work on light-duty vehicles often cannot properly diagnose problems in a Class 8 truck's engine, transmission, or air brake system. A thorough inspection should include a compression test on the engine, a transmission fluid analysis, inspection of the frame for cracks or rust, and a full air brake system check. This inspection typically costs $300 to $800 but can save you thousands by identifying problems before you own the truck.

The engine in a 1987 Mack box truck is likely a Mack E-series or V-series diesel, which are known for longevity but also for high repair costs when they fail. Rebuilding a Mack diesel engine can cost $5,000 to $15,000 depending on the damage. The transmission is probably a 13-speed manual, which is durable but requires a skilled operator and can be expensive to repair. Clutch replacement on a truck this size typically costs $1,500 to $3,000.

Rust and frame damage are common on trucks this age, especially if the truck spent time in a salt-spray environment or was used for corrosive cargo. A cracked or severely rusted frame can make the truck unsafe and may not pass a DOT inspection. Ask the seller for maintenance records and the truck's history before you commit to an inspection.

Fuel consumption and operating costs

A 1987 Mack box truck of this size will consume fuel at a rate of 5 to 7 miles per gallon under normal highway conditions, depending on the engine, transmission, load weight, and driving habits. At current diesel prices, which vary by region and season, this means fuel costs of roughly $0.15 to $0.25 per mile. If you run the truck 100,000 miles per year, fuel alone could cost $15,000 to $25,000 annually. This is before maintenance, insurance, registration, and repairs.

Diesel prices fluctuate based on crude oil markets, refinery capacity, and regional supply. You can track diesel prices through the U.S. Energy Information Administration (EIA) website, which publishes weekly prices by region. When budgeting for truck operation, assume diesel will cost more in winter and during periods of high crude oil prices.

Maintenance costs for a truck this age are unpredictable. Oil changes, filter replacements, and routine service are relatively inexpensive, but unexpected repairs — a failed turbocharger, a transmission problem, or brake system work — can quickly exceed $2,000 to $5,000. Many owner-operators budget 15 to 20 cents per mile for maintenance and repairs, in addition to fuel costs.

Finding parts and repair services for a 1987 Mack

Parts availability for a 1987 Mack is better than it might be for some older trucks, because Mack trucks are still in use and parts suppliers stock both original and aftermarket components. However, you will not find parts at a typical auto parts store. You will need to work with heavy-duty truck suppliers, Mack dealerships, or specialty suppliers that focus on older trucks. Lead times for parts can be one to three weeks, which means downtime if you are relying on the truck for income.

Repair services are available through Mack dealerships, independent heavy-duty truck shops, and roadside service providers like Surepoint or Speedco. Dealership service is typically more expensive but may offer warranty coverage on repairs. Independent shops are often cheaper but vary widely in quality and reliability. Before you buy the truck, identify which shops in your area work on 1980s Mack trucks and ask about their typical turnaround times and pricing.

Resale value and market considerations

The used heavy-duty truck market is smaller and less liquid than the light-duty market. A 1987 Mack box truck will appeal primarily to owner-operators, small freight companies, or buyers looking for a project truck. Resale value depends heavily on the truck's mechanical condition, mileage, and whether it has a clean title and maintenance history. A well-maintained truck might sell for $8,000 to $20,000, while one with significant mechanical problems or high mileage might bring $3,000 to $8,000. These are estimates only and vary by region and market conditions.

Selling a truck this age can take months if you are not flexible on price. Buyers for commercial trucks are often looking for specific features or configurations, and a 1987 Mack may not match what they need. If you need to sell quickly, you may have to accept a lower price or sell to a truck broker or salvage company, which will offer less than a private sale.

Frequently Asked Questions

Do I need a CDL to drive this truck if I only use it personally and never haul for hire?

Yes. A CDL is required to operate any Class 8 truck on public roads, regardless of whether you are hauling cargo for payment or using it for personal purposes. The requirement is based on the truck's gross vehicle weight rating, not on how you use it. Driving without a CDL is a federal violation and can result in fines and criminal charges.

What is the difference between a 1987 Mack and a newer used truck, and is the older truck cheaper to own?

A 1987 Mack is cheaper to buy upfront but often more expensive to own over time because repair costs are higher and fuel efficiency is lower. Newer trucks (2000s and later) have better fuel economy, more reliable engines, and lower repair costs, but they cost more to purchase. The break-even point depends on how many miles you run and how well you maintain the truck.

Can I haul hazardous materials with a 1987 Mack?

Yes, if you obtain a hazmat endorsement on your CDL and the truck meets DOT specifications for hazmat transport. Hazmat endorsement requires an additional written test and background check. Not all 1987 Macks are equipped for hazmat, so you would need to verify the truck's configuration and certifications before pursuing this work.

What happens if the truck fails a DOT inspection?

A failed DOT inspection can result in out-of-service orders that prevent you from operating the truck until violations are corrected. Common failures include brake system problems, lighting issues, and frame damage. Repairs must be completed and verified by a certified inspector before the truck can return to service. During this time, you cannot legally operate the truck for any purpose.

Is it worth buying a truck this old if I plan to use it for only a few years?

It depends on your usage and budget. If you plan to run high mileage and need the truck to be reliable, a 1987 Mack is risky because unexpected repairs can be costly and frequent. If you plan light use and have a maintenance budget, it may work. Calculate your total cost of ownership — purchase price plus insurance, fuel, maintenance, and repairs — and compare it to leasing or buying a newer truck before deciding.