How Much Does a Septic Truck Cost in 2026? (Real Prices and Buyer Guide)

Septic trucks typically cost between $90,000 and $250,000 in 2026, depending on tank size, vacuum pump, truck chassis, and whether the unit is new or used. Smaller used septic trucks may cost $40,000–$80,000, while fully equipped new trucks with premium components can exceed $275,000.

At Iron-Vac Trucks, most customers invest between $140,000 - $300,000+ for a new, professionally built septic truck.

This guide explains real-world septic truck prices and what affects cost.

Average Septic Truck Cost by Category

[EDIT: Optional sentence about your own inventory example]

Example:

A typical Peterbilt 536 or Mack MD6 with a 2500 gallon tank currently ranges between $140,000 - $180,000 typically, depending on chassis and options.

What Affects the Cost of a Septic Truck?

1. Tank Size

4

Larger tanks increase productivity and revenue potential.

Common sizes:

• 1,250 gallons

• 1,500 gallons

• 2,100 gallons

• 2,500 gallons

• 3,300 gallons

• 4,400 gallons

• 5,000 gallons

Most septic companies choose 2,100–4,400 gallons for versatility.

2. Vacuum Pump Brand and Performance

The vacuum pump is the most important performance component.

Higher-quality pumps provide:

• Faster pumping speed

• Greater reliability

• Longer lifespan

• Higher resale value

[EDIT: Mention actual pump brands you use]

Example:

Many professional septic trucks use vacuum pumps such as Masport, NVE, Chandler, or Fruitland, which are known for reliability and performance.

3. New vs Used Septic Truck

Used trucks cost less upfront but may require maintenance.

New trucks offer:

• Warranty protection

• Longer lifespan

• Latest equipment

• Better reliability

Our trucks have a manufacturer warranty on all chassis depending on the manufacturer. Some septic truck manufacturers offer warranties on the tank and pump!

Example:

New septic trucks built by Iron-Vac Trucks include a 5-year tank warranty with the manufacturers’ pump warranty.

4. Truck Chassis

The chassis is a major part of total cost.

Common chassis brands include:

• Freightliner

• International

• Peterbilt

• Kenworth

[EDIT: Mention your most common chassis]

Example:

Many septic trucks are built on class 6 truck chassis (like a Peterbilt 536, Mack MD6, or a Freightliner M2 single-axle)  due to reliability and service availability.

5. Additional Features

Optional features may include:

• Hydraulic hose reels

• Aluminum tanks

• LED lighting

• Tool storage

• Remote controls

These options can add $5,000–$25,000.

Septic Truck Financing Example

Many septic companies finance their trucks.

Example:

Truck price: $180,000
Down payment: $20,000

Estimated monthly payment:

$2,800–$3,500 per month

There are some financing companies that specialize in large equipment sales in the waste water industry. 

Example:

Financing is often available through Alliance Funding Group

How Much Revenue Can a Septic Truck Generate?

Typical septic pumping service:

$300–$600 per job

Average jobs per day:

4–8

Daily revenue potential:

$1,200–$4,800

Many septic trucks pay for themselves within 1–3 years.

New vs Used Septic Truck: Which Is Better?

New is best if:

• You want reliability

• You want warranty protection

• You plan long-term ownership

Used is best if:

• You have lower startup budget

• You can handle maintenance

Final Answer: How Much Does a Septic Truck Cost?

In 2026, septic trucks typically cost:

• $40,000 – $120,000 used

• $130,000 – $250,000 new

• $180,000+ premium units

Most septic companies invest between:

$150,000 and $200,000

for a reliable septic truck.

View Available Septic Trucks

You can view available septic trucks here:

https://www.septictrucks.com/sewer-trucks-for-sale-i2c184f0m0?q=In-stock

About the Author

Riley Reed
Marketing Manager
Iron-Vac Trucks

Riley Reed is the Marketing Manager at Iron-Vac Trucks and works directly with septic companies across the United States, helping them select and purchase septic trucks.

By Riley Reed