Flat Tank Vacuum Trucks

Flat tank vacuum trucks support portable restroom delivery, septic service, and liquid waste hauling. The low-profile tank design improves visibility, increases stability, and provides space for transporting portable toilets and service equipment. Operators can access job sites, events, construction projects, and confined areas more easily than with many traditional vacuum truck designs.

Trucks

Septic & Portable Restroom Trucks

Model 900

The Crescent Tank Model 900 combines waste hauling and service flexibility with a compact footprint. Ideal for light-duty routes requiring portable restroom service, it offers integrated fresh and waste water capacities with a low-profile, easy-to-maintain design.

Flat cargo deck for portable restroom hauling
Dual-function operation: waste and fresh water hauling
1/4″ mild steel tank construction
Simplified cleaning with baffle-free interior
Reinforced internal frame for heavy loads
Thieman TVL-16 electric/hydraulic lift gate

Tool box, ladder, LED lighting
Custom chassis options
Additional hose storage and accessories

Waste Capacity: 650 gallons
Fresh Water Tank: 250 gallons (poly)
Dimensions: 144″L × 96″W × 12″H
Vacuum Pump: Masport HXL3F – 106 CFM
Water Pump: 12V (5.5 GPM @ 60 PSI)
Vacuum Hose: 25′ – 2″ Tiger Tail w/ wand
Lift Gate: Thieman TVL-16

Model 1100

Crescent Tank’s Model 1100 expands capacity while maintaining a maneuverable footprint. Designed for larger portable restroom routes, the Model 1100 offers increased tank volume, onboard tool storage, and a reinforced platform.

Flat cargo deck for restroom, handwash, or jobsite gear
1/4″ mild steel tank, baffle-free
Integrated subframe and hitch
Thieman TVL-16 lift gate included
LED work lighting and hose management

Toolboxes, hose trays, rear beacons
Custom branding and paint finishes
Chassis options including Isuzu, Ford, Freightliner

Waste Capacity: 750 gallons
Fresh Water Tank: 350 gallons (poly)
Dimensions: 174″L × 96″W × 12″H
Vacuum Pump: Masport HXL3F – 106 CFM
Water Pump: 12V (5 GPM @ 60 PSI)
Vacuum Hose: 25′ – 2″ Tiger Tail w/ wand
Lift Gate: Thieman TVL-16

Model 1350

The largest model in the Crescent Flat Tank lineup, the Model 1350 delivers maximum hauling capacity for high-volume routes. Perfect for municipal contracts or high-density portable restroom routes.

Flat-deck hauling with 10-unit capacity (8 bed, 2 lift gate)
High-capacity fresh and waste tanks
Masport HXL4F vacuum pump
Built-in lighting, hitch, and sub-frame reinforcements
Thieman TVL-16 lift gate standard

Dual manways, rear sight glass
Toolboxes, hose trays, custom paint
Custom chassis options

Waste Capacity: 1000 gallons
Fresh Water Tank: 350 gallons (poly)
Dimensions: 222″L × 96″W × 12″H
Vacuum Pump: Masport HXL4F – 165 CFM
Water Pump: 12V (6 GPM @ 60 PSI)
Vacuum Hose: 25′ – 2″ Tiger Tail w/ wand
Lift Gate: Thieman TVL-16

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Stock # N3078

Body: Crescent 1100

Engine: Power Stroke V8 Turbo B20 Diesel Engine

Transmission: TorqShift 10 Speed Automatic Transmission

Class: Class 6 (GVW 19501 – 26000)

Price: $124,250

Miles: 12

Stock # N3139

Body: Crescent 1100

Engine: Isuzu 4HK1-TC Diesel Engine

Transmission: Aisin A465id Automatic Transmission

Class: Class 5 (GVW 16001 – 19500)

Price: Call

Stock # N3103

Body: MMF 895 Gallon Round PRT

Engine: Isuzu 4HK1-TC Diesel Engine

Transmission: Aisin A465id Automatic Transmission

Class: Class 5 (GVW 16001 – 19500)

Price: $124,250

Miles: 10

Stock # N3140

Body: Crescent 1100

Engine: Isuzu 4HK1-TC Diesel Engine

Transmission: Aisin A465id Automatic Transmission

Class: Class 5 (GVW 16001 – 19500)

Price: Call

Miles: 10

Stock # N3077

Body: Crescent 1100

Engine: Ford Power Stroke V8 Turbo B20 Diesel Engine

Transmission: TorqShift 10 Speed Automatic Transmission

Class: Class 6 (GVW 19501 – 26000)

Price: Call

Stock # N3161

Body: MMF 12′ Flatbed with 800 Gallon 1C Round Tank

Engine: Isuzu 4HK1-TC Diesel Engine

Transmission: Aisin A465id Automatic Transmission

Class: Class 5 (GVW 16001 – 19500)

Price: $128,500

Stock # N3129

Body: Crescent 1100

Engine: Isuzu 4HK1-TC Diesel Engine

Transmission: Aisin A465id Automatic Transmission

Class: Class 5 (GVW 16001 – 19500)

Price: $122,500

Stock # N3072

Body: Crescent 1100

Engine: Isuzu 4HK1-TC Diesel Engine

Transmission: Aisin A465id Automatic Transmission

Class: Class 5 (GVW 16001 – 19500)

Price: Call

Stock # N3130

Body: Crescent 1100

Engine: Isuzu 4HK1-TC Diesel Engine

Transmission: Aisin A465id Automatic Transmission

Class: Class 5 (GVW 16001 – 19500)

Customize Your Flat Tank Vacuum Trucks

Customize your flat tank truck for portable restroom delivery, septic service, or waste transport. Choose the tank size, pump system, storage options, and service equipment that fit your work. Add restroom carriers, hose reels, washdown systems, and plumbing packages to build the truck your crew needs.

Flat Tank Vacuum Trucks

Model 900

Model 1100

Model 1350

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Flat Tank Vacuum Trucks

Model 900

Featured Brands

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Customize Your Flat Tank Vacuum Trucks

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