KTI 8181-06K 6-Quart Hydraulic Reservoir Tank Kit with Hardware
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KTI 8181-6-KIT Quart Hydraulic Reservoir Tank Kit
Complete Poly Hydraulic Reservoir for Dump Trailer Pumps
The KTI 8181-6 6 quart hydraulic reservoir tank kit is a direct replacement solution for dump trailer hydraulic power units. Designed for power up / power down and gravity down systems, this complete kit includes everything needed for installation.
If your hydraulic tank is cracked, leaking, or discolored, this OEM-style KTI reservoir restores proper function and fluid capacity.
💪 Built for Dump Trailer Applications
Commonly used on:
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PJ Trailers
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Big Tex Trailers
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Load Trail Trailers
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Other dump trailer hydraulic systems
Compatible with:
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Power up / power down pumps
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Gravity down hydraulic units
📐 Specifications
| Specification | Detail |
|---|---|
| Brand | KTI Hydraulics |
| Part Number | 8181-6 |
| Capacity | 6 Quart |
| Material | Translucent Poly Plastic |
| Opening Size | 4-11/16” Round Opening |
| Bolt Pattern | 4” Square Bolt Pattern |
| Ports | Two 1” Threaded Openings |
| Includes | O-ring, Dipstick/Breather, Reservoir Plug |
🔍 Product Features
Complete Kit
Includes:
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Poly hydraulic reservoir tank
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O-ring gasket
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Dipstick / breather cap
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Reservoir plug
Increased Capacity
The 6 quart size offers additional fluid capacity for larger hydraulic systems.
Durable Translucent Construction
Semi-transparent design allows quick visual inspection of hydraulic fluid level without removing the cap.
Easy Installation
Designed with:
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4-11/16” round opening
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4” square bolt pattern
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Dual 1” threaded ports
Direct fit for many KTI hydraulic power units.
🛠 Common Applications
This 6 quart hydraulic reservoir tank is frequently installed on:
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Dump trailers
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Equipment trailers
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Hydraulic lift trailers
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PJ dump trailer units
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Big Tex dump trailers
If you're replacing a damaged reservoir, this is the correct high-capacity option.
🚛 In Stock & Ready to Ship
Order your KTI 8181-6 hydraulic reservoir tank kit today from AAA Trailer and restore reliable hydraulic performance.
📋 KTI Catalog Data
- Type: Complete Reservoir Tank Kit
- Capacity: 6 Quart plastic
- Includes: Tank, cap, breather, fittings, hardware
- Mounting: Horizontal or vertical
🏭 About KTI Hydraulics
KTI Hydraulics Inc. — founded 1997 in Tustin, California. ISO 9001:2015 Certified. Every KTI power unit is 100% factory inspected and tested to stringent specifications before shipping. Inventor of the patented Universal Manifold® system used in dump trailers worldwide.
📞 Call/Text: 517-225-1991 🌐 AAATrailer.com
🔄 Cross Reference / Alternate Part Numbers
KTI 8181-6-KIT | KTI-8181-6-KIT | 81816KIT | 6-quart reservoir kit with cap and plug
Related KTI Hydraulic Products
- KTI 25-3 Reservoir Cap
- KTI Q2-4113 Reservoir O-Ring Seal
- KTI 8181-35-K 3-Quart Reservoir Tank Kit
- KTI 8181-6 6-Quart Reservoir Tank (Tank Only)
Part number: KTI 8181-06K (previously listed as SKU 8181-6-KIT). Cross-reference: 8181-6-KIT, 8181 6 quart reservoir kit.
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Literature & Documentation
Specifications (from the KTI catalog)
| Usable volume (horizontal) | 6 QT |
| Tank length “A” | 13.25" |
| Material | Polyethylene (plastic square series) |
Fill to ~1" from the top with the unit at rest; the reservoir should sit about ½ full with the cylinder fully extended. Never let it drop below ½ while running.
Hydraulic fluid
KTI fluid recommendation: premium hydraulic oil with anti-wear, rust/oxidation and foam inhibitors — e.g. Chevron Rando HDZ, Mobil DTE 10/20 series, AMSOIL, Shell Tellus. Automotive ATF is acceptable under normal conditions. Do not use biodegradable hydraulic fluid, and do not mix oils.
| Ambient temperature | ISO viscosity grade |
|---|---|
| −20 °F to +32 °F | ISO 15 |
| +14 °F to +120 °F | ISO 22, 32, or ATF |
Purging air after install
Bleed cycle (purge air) in 3 steps:
- Remove the breather cap so you can watch the fluid level. Verify fluid connections are tight. Never let the level fall below half while running.
- Run the unit to extend the cylinder, keeping the level above half tank.
- At full extension, run 5–10 seconds more (bleeding over the relief valve), re-check level, retract, and repeat until operation is smooth.
Double-acting units: repeat for both power-up and power-down. If fluid foams, wait ~10 minutes before continuing. Recharge the battery afterward.
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