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KL 6450-Slim
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PROFESSIONAL GRADE PERFORMANCE
Step up to peak onboard pneumatic management with the premium Model 6450-Slim system. Driven by our flagship waterproof high-output 100% duty cycle compressor, this system is meticulously engineered for continuous use in punishing automotive, tactical fleet, and industrial environments. It provides unmatched performance through mud, severe water crossings, and deep trail dust without missing a single beat.
POWER BEYOND THE HORNS
The 6450-Slim is more than just a dedicated power source for train horns—it functions as a comprehensive, multi-purpose air command center. Equipped with a space-saving, narrow-profile 3-gallon air tank, this architecture delivers high-pressure air delivery on demand to inflate oversized off-road tires up to 39”, manage heavy-duty air suspension / air bags, actuate differential lockers, or run pneumatic tools. It features a fully sealed submersible pump head and an internally coated anti-corrosion reservoir tank built to outlast the competition.
THE ULTIMATE TRAIL COMPANION
Ready to conquer any terrain, this kit includes the INF-1 premium tire inflation kit. Outfitted with a 24-foot heavy-duty air hose, quick-connect fittings, a luminescent glow-in-the-dark pressure gauge, a clip-lock air chuck, and an integrated pressure release valve, it ensures quick, back-to-back airing up when exiting the trail to get you back on the road safely.
THE VERDICT: The definitive high-pressure pneumatic framework for tight installations. The Model 6450-Slim bridges the gap between narrow real estate limits and commercial-grade output power, providing continuous-duty trail security and rapid air recovery.
AIR COMPRESSOR SPECIFICATIONS
| Ultra Heavy-Duty Air Compressor | |
|---|---|
| Part Number | Model 6450RC |
| Warranty | 2-Year Extended Warranty |
| Max Pressure | 200 PSI |
| Duty Cycle | 100% @ 100 PSI |
| Flow Rate | 2.1 CFM @ 0 PSI |
| Compressor Type | Waterproof Sealed, Oil-less Architecture |
| Voltage | 12V DC |
| Motor Type | Permanent Magnetic Motor |
| Max Tank Size | 7 Gallon |
| Max Amp Draw | 23 Amps |
| Dimensions | 11.25” x 4” x 6.5” |
| Mounting Holes | 8.9” x 3.31” Spacing Layout |
| Mounting Note | Any position except inverted/upside down |
| Shipping Weight | 12 lbs |
| Pressure Switch | P/N 2151 Compatibility Structure |
AIR TANK SPECIFICATIONS
| Slim Mount Air Tank | |
|---|---|
| Part Number | Model 6351RT |
| Warranty | 1-Year Warranty |
| Tank Capacity | 3-Gallon |
| Construction | All Steel Design (Gloss Black Epoxy Finish) |
| Internal Coating | Cortec Internal Anti-Corrosion Coating |
| Mounting Legs | 2 Legs w/ 4 Mounting Points Layout |
| Air Tank Ports | Five - 1/4" NPT Ports & One - 3/8" NPT Port |
| Mounting Hardware | Fitting Pack - 4 Bolts, Nuts, Washers |
| Max Pressure | 200 PSI |
| Dimensions | 27” L x 6” W x 8” H |
AIR TANK FILL RATES
| Tank Size | Pressure Range | Fill Rate |
|---|---|---|
| 2.5 Gal | 0 - 150 PSI | 2 Min 54 Sec (+/- 5 Sec) |
| 2.5 Gal | 110 - 150 PSI | 54 Sec (+/- 5 Sec) |
| 5.0 Gal | 0 - 150 PSI | 5 Min 57 Sec (+/- 10 Sec) |
| 5.0 Gal | 110 - 150 PSI | 1 Min 53 Sec (+/- 5 Sec) |
INSTALLATION INSTRUCTION LINKS:

$549.95
Kleinn Automotive Accessories stands behind the quality and craftsmanship of our products. Our products are covered against defects in materials and workmanship when properly installed and used under normal operating conditions, subject to the terms below.
Unless otherwise specified, Kleinn Automotive Accessories products are covered by a 1-year limited warranty from the original date of purchase.
This warranty applies to the original purchaser and covers defects in materials and workmanship under normal use.
If a product is determined to have a covered warranty defect, Kleinn Automotive Accessories will, at its discretion, repair or replace the defective product or component.
This warranty does not cover damage or failure resulting from:
Kleinn Automotive Accessories is not responsible for installation or removal charges, diagnostic fees, labor costs, vehicle downtime, loss of use, or other incidental or consequential expenses associated with warranty service.
To request warranty service, email warranty@kleinn.com with the following information:
A Kleinn representative will review your claim and may first attempt to resolve the issue through technical support.
If the product needs to be returned for inspection, Kleinn will provide a Return Authorization (RA) number and return instructions. Products should not be returned without prior authorization.
Once received, the product will be inspected to determine whether the issue is covered under warranty. If a covered defect in materials or workmanship is confirmed, Kleinn will, at its discretion, repair or replace the defective product or component.
If inspection determines that the product does not have a covered warranty defect, the product may be returned to the customer, and the customer will be responsible for applicable return shipping costs.
This limited warranty gives you specific legal rights. You may also have other rights, which vary from state to state.
Your item must be in its original unused condition to be returned, unless there is a manufacturer defect. You must return the item within 30 days of your purchase.
1. Please email support@kleinn.com to request a refund and we will assign you a Return Authorization #.
2. Mail your returned item to:
Kleinn Automotive Accessories
Returns Department
4045 N Highway Drive
Tucson, AZ 85705
3. Include in your package a signed letter stating the reason for your return and the original receipt.
Merchandise that has been worn, used, or altered will not be accepted for return or exchange.
All returns are subject to a 15% restocking fee, which will be deducted from your refund. If shipping and handling fees were applied to your order, they are non-refundable.