Slide-In Vacuum Units for Septic and Portable Sanitation
Flexible Vacuum Truck Tanks Built for Real Route Work
KeeVac’s slide-in tanks for vacuum trucks give operators a smarter way to get route-ready without committing to a full dedicated chassis. Whether you’re pumping septic, servicing portable restrooms, or hauling grease trap waste, our truck slide-in systems are engineered for fast installs, long service life, and the kind of daily reliability your operation depends on.
Built from 5454 marine-grade aluminum and designed around actual field conditions, these aren’t off-the-shelf boxes; they’re purpose-configured vacuum truck tanks that fit your truck, your route, and your workflow.
Quick Fit Summary
- Multiple tank sizes and compartment splits for fresh and waste
- 5454 marine-grade aluminum options for corrosion resistance and long service life
- Ready-to-install packages built for real route workflows
- Support for septic, PRT, grease, and waste transport depending on your configuration
For portable sanitation best practices, see PSAI standards and regulations.
Compare full truck packages: Septic Tank Trucks, Grease Trap Trucks, Pickup and Delivery Trucks, and Portable Restroom Trucks.
Two Slide-In Styles to Match Your Operation
KeeVac offers two core slide-in configurations. Here’s how they compare:
Soup Can Slide-In Units
- Compact tank-in-tank design built for lighter truck platforms
- Available from 300 to 995 gallons with fresh/waste splits
- Common fit for portable restroom routes and smaller septic jobs
- Pairs well with 3/4-ton and 1-ton pickup trucks
Flanged and Dished Slide-In Units
- Structural build designed to handle vacuum pressure in demanding conditions
- Available from 435 to 1,500 gallons, including septic truck tanks up to 1,200+ gallons
- Better suited for high-volume septic contractors, municipalities, and industrial operators
- Compatible with heavier-duty trucks and flatbed platforms
Not sure which style fits your rig? Call (303) 789-9440, and we’ll walk you through it.
What Is a Slide-In Vacuum Unit?
A slide-in vacuum unit is a complete tank and pump package that mounts into the bed of a truck or onto a flatbed so you can upfit an existing vehicle into a compact vacuum setup. This approach is popular for contractors and route operators who want a lower upfront cost, flexible fleet scaling, and a removable system for seasonal work.
Best Use Cases
- Septic service and pumping routes
- Portable restroom servicing and route support
- Grease trap and restaurant waste hauling
- Municipal and environmental response work
Why Buyers Choose Slide-Ins
- Lower cost than a dedicated chassis build
- Fast install on an existing truck platform
- Removable with forklift pockets for flexibility
- Route-ready components and service access
Available Slide-In Units
These are example in-stock slide-in vacuum units. Click through to view full specs and request pricing. If you want a custom size or split, use Get a Quote.
KVS-800 HD2 2C RE Slide-In Unit
800 gallons with a 500 waste / 300 fresh split, powered by a Masport HD2 Propack Ultimate.
KVS-600 HD2 2C RE Slide-In Unit
600 gallons with a 400 waste / 200 fresh split, powered by a Masport HD2 Propack Ultimate.
KVS-450 HD2 2C RE Slide-In Unit
450 gallons with a 300 waste / 150 fresh split, powered by a Masport HD2 Propack Ultimate.
KVS-300 HD2 2C RE Slide-In Unit
300 gallons with a 200 waste / 100 fresh split, powered by a Masport HD2 Propack Ultimate.
Note: Inventory changes. If a unit sells, we can build the same size and split as a new unit or recommend a close match.
Soup Can Slide-In Vacuum Units
Soup Can units use a compact tank-in-tank style design designed for route-based operations where footprint, payload, and easy access matter. This is a common fit for portable restroom servicing and smaller septic routes.
Standard Soup Can Sizes and Splits
Construction and Components
Core Build Specs
- Material: 5454-H32 marine-grade aluminum (BTS finish options)
- Primary shutoff: 8 inch by 2 inch Masport low-profile primary with stainless ball and cage
- Discharge: 3 inch discharge with full port poly ball valve, male camlock, and dust cap
- Features: work light, forklift pockets, shutoff and muffler, bucket fill, suction hose, washdown hose, and wand setup
Route-Ready Package Add-Ons
- 2 inch by 30 foot Tigertail or Gator Tail suction hose with valve and aluminum wand
- Half-inch by 50 foot washdown hose with spray nozzle
- 2 inch bucket fill with camlock fitting and garden hose adapter
- Customer-supplied 12V battery required
Need support after purchase? Visit Parts Department or submit a Parts Request.
Flanged and Dished Slide-In Vacuum Tanks
Flanged and dished slide-in units are engineered for structural stability under vacuum and are a strong fit for higher capacities and demanding conditions. Rear and side engine configurations may be available based on the product build.
Standard Flanged and Dished Sizes and Splits
Core Build Specs
- Material: 5454-H32 marine-grade mill finish aluminum
- Primary shutoff: 20 inch by 2 inch NVE low-profile primary shutoff
- Discharge: 3 inch discharge with full port poly ball valve, male camlock, and dust cap
- Operational features: work light, forklift pockets, shutoff and muffler, bucket fill, suction hose, washdown hose, and wand system
- Power: customer-supplied 12V battery required
Want to reduce downtime? Review Truck Maintenance for upkeep tips and parts planning.
Soup Can vs. Flanged and Dished
Both styles deliver dependable performance. The right choice depends on service volume, route density, truck payload, and how often you need fresh water on route.
Truck Compatibility and Installation Guidance
KeeVac slide-in vacuum units fit most truck beds and flatbeds. Payload capacity, wheelbase, and GVWR determine the best tank configuration. If you are unsure what fits your truck, call (303) 789-9440 and we will walk you through the safest, most route-ready option.
Compatibility Notes
- Commonly paired with 3/4-ton and 1-ton pickups and cab-and-chassis trucks
- Flatbeds can simplify installation and service access
- Forklift pockets support seasonal removal and easier storage
- We can help match tank size to your payload limits and route needs
Support That Doesn’t Stop at the Sale
Every KeeVac slide-in comes backed by real post-sale support:
Post-Sale Support
- Parts Department — stocked parts for fast turnaround
- Parts Requests — if we don’t have it, we’ll find it
- Truck Maintenance resources — keep your unit running between jobs
- Manuals & documentation — operational reference for your crew
- Direct team access — real people who know your equipment
When a Full Truck Makes More Sense
A grease truck slide-in or septic slide-in is a great starting point, but some operations eventually need more. If your daily volume is growing, you’re running multiple crews, or you need integrated storage and workflow upgrades, it may be time to look at a full build.
Compare our Septic Tank Trucks, Grease Vacuum Trucks, Portable Restroom Trucks, and Pickup & Delivery Trucks to see what fits your next step.
Slide-In Vacuum Unit FAQs
Quick answers to help you choose the right unit and configuration.
What are slide-in tanks for vacuum trucks used for?
They’re used for septic pumping, portable restroom servicing, grease hauling, and liquid waste transport, mounted directly into a pickup bed or flatbed without needing a dedicated chassis.
What’s the difference between Soup Can and Flanged and Dished units?
Soup Can units are compact and lighter-weight, great for portable sanitation and smaller routes. Flanged and Dished units are structurally heavier, better suited for high-volume septic work and demanding pumping conditions.
What size tank for a septic truck slide-in do I need?
It depends on your route density, disposal intervals, and truck payload. Our team helps buyers match the right capacity to their actual operating needs, not just pick the biggest available number.
Do you ship slide-in vacuum units nationwide?
Yes. KeeVac sells and ships nationwide from our Denver, Colorado, facility.
Ready to Spec Your Slide-In?
Whether you’re starting a new route operation or upgrading from a smaller unit, KeeVac has a slide-in vacuum tank configuration that fits. Browse current inventory or talk to the team about a custom build.
Fastest way to get pricing
Call (303) 789-9440 or use Get a Quote and tell us your truck platform, desired capacity, and whether you prefer Soup Can or Flanged and Dished.