2026 Western Star 47X 4,400 Gallon Septic Vacuum Truck | Aluminum Iron-Vac Tank
Product Description
2026 Western Star 47X 4,400 Gallon Septic Vacuum Truck | Aluminum Iron-Vac Tank
Looking for a 4,400 gallon septic vacuum truck for sale, sewer vacuum truck, or heavy-duty liquid waste truck? This 2026 Western Star 47X can be ordered with a 4,400 gallon aluminum Iron-Vac vacuum tank and is built for demanding septic, sewer, municipal, and liquid waste applications.
Powered by a Detroit DD13 Gen 5 12.8L engine producing 450 HP and paired with an Allison 4500 RDS automatic transmission, this Western Star 47X combines a heavy-duty chassis with a Masport MB1000 vacuum pump producing 1,000 CFM.
Truck & Vacuum Tank Specifications
2026 Western Star 47X
Detroit DD13 Gen 5 12.8L Engine – 450 HP
Allison 4500 RDS Automatic Transmission
66,000 GVWR
4,400 Gallon Aluminum Iron-Vac Vacuum Tank
5-Year Iron-Vac Tank Warranty
Masport MB1000 Vacuum Pump – 1,000 CFM
Drop Axle – 3.74 Ratio
Chrome Package
Air Ride Suspension
Exhaust Brake
Differential Lockers
Built for Septic & Liquid Waste Applications
This 4,400 gallon septic vacuum truck is designed for septic pumping, sewer service, municipal wastewater maintenance, industrial vacuum work, and liquid waste operations.
The 4,400 gallon aluminum Iron-Vac vacuum tank provides substantial capacity for professional liquid waste operations, backed by a 5-year tank warranty. The Masport MB1000 1,000 CFM vacuum pump provides dependable vacuum performance for demanding septic and sewer applications.
The Western Star 47X features a 66,000 GVWR, drop axle, air ride suspension, exhaust brake, and differential lockers for a heavy-duty vacuum truck configuration built for the field.
Available to Order
This unit is currently out of stock but can be ordered and built through Iron-Vac Truck Sales. Contact the sales team for current pricing, build details, lead times, delivery, and availability.
Call (501) 279-0001 for pricing, financing, specifications, and ordering information.
Iron-Vac Truck Sales – From One Pumper to Another, We Know Pump Trucks.
4,400 Gallon Septic Vacuum Truck | 4,400 Gallon Vacuum Truck | Septic Truck for Sale | Septic Vacuum Truck | Vacuum Truck | Sewer Vacuum Truck | Sewer Truck | Liquid Waste Truck | Wastewater Truck | Industrial Vacuum Truck | Western Star 47X | 2026 Western Star 47X | Detroit DD13 | Allison 4500 RDS | Masport MB1000 | 1,000 CFM Vacuum Pump | Aluminum Tank | Aluminum Vacuum Tank | Iron-Vac Tank | 66,000 GVWR | Heavy-Duty Vacuum Truck | Septic Tanker
Product Specifications
| Year | 2026 |
| Type | Sewer / Septic Trucks |
| Manufacturer | Western Star |
| Model | 47X |
| Condition | New |
| MLS Number | 14072511 |
| Quantity | 1 |
Weight & Dimensions
| Weight Class | Class 8 |
| Duty Class | Heavy Duty |
| Gross Vehicle Weight | 66000 lbs. |
Capacity & Size
| Gallons | 4200 gallons |
Engine
| Horse Power | 450 HP |
| Engine Manufacturer | Detroit |
| Engine Type | DD13 |
| Engine Brake | Yes |
| Fuel Type | Diesel |
| Turbo | Yes |
Drivetrain
| Transmission | 6 Speed |
| Transmission Make | Allison |
| Gear Ratio | 5.57 |
| Differential Lock | Yes |
Body & Chassis
| Exterior Color | White |
| Suspension | Air Ride |
| Number of Rear Axles | Tandem |
Wheels & Brakes
| Wheel Type | All Aluminum |
Interior & Controls
| Drive Side Type | Left Hand Drive |
| Interior Color | Brown |
| Air Conditioning | Yes |
| Cruise Control | Yes |
| Power Locks | Yes |
| Power Windows | Yes |
Addons & Upfits
| Upfit Type | Tank Body |
| Upfit Manufacturer | Iron-Vac |
| Upfit Model | 4400 Gallon Aluminum Tank |
| Winch | No |
| Ramp | No |
Additional Details
| Insulated | Yes |
| Warranty | Yes |
| State DOT | Yes |
| Availability | In-Stock |
Pump Truck ROI Calculator
Estimate Your Earnings Before You Buy