MODEL 6351RT: 3-GALLON SLIM DESIGN REPLACEMENT AIR TANK
COMPACT HEAVY-DUTY DESIGN
The Kleinn Model 6351RT is a premium 3-gallon steel replacement air tank engineered with an ultra-slim profile for tight-space installations. Constructed from heavy-duty structural steel with a rugged black epoxy exterior finish, it delivers dependable, high-capacity pneumatic storage where vehicle chassis real estate is at an absolute premium.
ANTI-CORROSION PROTECTION
Internally coated with advanced Cortec™ anti-corrosion protection, the 6351RT safely safeguards against internal rust scaling and moisture contamination to maximize overall system longevity. A precise multi-port configuration provides clean plumbing paths and clean line routing for your compressor feed, pressure switch terminals, main air lines, and accessories.
DIRECT REPLACEMENT FITMENT
Designed as a direct fit for a wide variety of specialized Kleinn systems, the 6351RT seamlessly integrates with VELO-230, VELO-734, VELO-OBA6450, SDKIT-230, SDKIT17-734, and SD17OBA-6450 vehicle-specific systems, as well as the ProBlaster™ HK9-SLIMLINE train horn kit. High-strength vehicle-grade mounting hardware is included for a fast, secure setup.
Why Choose the 6351RT?
- Cortec™ Lining: Premium internal anti-corrosion layer shields the tank from moisture rust and internal scaling.
- Slimline Footprint: Elongated, slender design engineered specifically to clear tight chassis frame rails and narrow under-body voids.
- 6-Port Architecture: Equipped with five 1/4" NPT ports and one 3/8" NPT port to handle optimized high-flow plumbing configurations.
- Epoxy Armor: Rugged structural steel construction wrapped in a durable gloss black exterior epoxy powder coating to withstand road-debris abuse.
- Perfect Application Fit: Built explicitly as the official factory drop-in matching replacement tank component for Kleinn slim-profile air systems.
THE VERDICT:The ultimate space-saving replacement air reservoir for narrow footprints. The Model 6351RT restores original 3.0-gallon storage capacity and premium internal safety linings without sacrificing valuable vehicle clearance paths.
Ideal Applications
- Kleinn Vehicle-Specific Air: Direct-fit drop-in tank replacement for specialized VELO and SDKIT heavy-duty onboard air systems.
- HK9-SLIMLINE Train Horns: Seamlessly maintains stable high-pressure pneumatic reserves for slimline multi-bell train horn configurations.
- Chassis Air Suspension & Lockers: Supplies instant, reliable pressure delivery to air lockers, load-leveling kits, and custom air bag suspensions.
- Under-Vehicle Mounting: Maximizes narrow spaces along vehicle frame rails, below side steps, or beneath the truck bed floor.
What's in the Box?
- Slim Steel Air Tank: Model 6351RT 3.0-Gallon internally coated slim design structural steel air tank.
- Mounting Hardware: Full premium matching vehicle-grade structural hardware kit including nuts, bolts, and flat washers.
AIR TANK SPECIFICATIONS
| Feature | Details |
| Model | 6351RT 3.0-Gallon Slim Air Tank |
| Tank Capacity | 3.0 Gallon |
| Construction | All Steel Design (Gloss Black Epoxy Exterior) |
| Internal Coating | Cortec™ Anti-Corrosion Barrier |
| Air Tank Ports | Five (5) 1/4" NPT Ports / One (1) 3/8" NPT Port |
| Max Pressure | 150 PSI |
| Dimensions | 27" L × 6" W × 8" H |
| Mounting Hardware | Full Kit Included (Nuts, Bolts & Washers) |