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This 3-Piece Jack Extension Set is engineered specifically for JR AIR TOOLS air hydraulic jacks — delivering extra lifting height, protecting your jack's hydraulic piston, and extending the service life of your equipment. Instead of pushing your jack beyond its safe range, use these precision-fit extensions for stable, safe, and efficient lifting on trucks, trailers, and heavy commercial equipment.
Compatible JR AIR TOOLS Models
- JR AIR TOOLS 35/25 Ton Air Hydraulic Jack — standard model for semi trucks and fleet vehicles
- JR AIR TOOLS 80/40 Ton Air Hydraulic Jack — heavy-duty model for oversized trucks and fully loaded trailers
- JR AIR TOOLS 100/50 Ton Air Hydraulic Jack
- JR AIR TOOLS 120/60 Ton Air Hydraulic Jack
What's Included — 3 Extension Sizes
- 🔵 Tall — 2.2 in (≈55 mm) — for maximum additional height on high-clearance applications
- 🔵 Medium — 1.6 in (≈40 mm) — for standard axle and frame lifting
- 🔵 Short — 0.8 in (≈20 mm) — for fine-tuning height and saddle positioning
Use individually or stack combinations to reach the exact lifting height your job requires.
Why You Need Jack Extensions
Placing an extension between the jack saddle and the vehicle's lifting point is one of the most important habits in professional truck service. The extension absorbs the majority of side load and lateral pressure during the lift — protecting the hydraulic piston and FFKM seals from stress that causes premature wear. Professional truck shops that use extensions consistently report significantly longer jack service life compared to lifting without them.
Key Benefits
- ✅ Optimized Lifting Height — Safely reach your desired height without overextending your jack
- ✅ Protects Jack Piston — Absorbs side load and reduces wear on the piston and internal seals over time
- ✅ Heavy-Duty Construction — Engineered from tough materials for long-term use in harsh workshop environments
- ✅ Precision Fit — Designed and sized specifically for JR AIR TOOLS jack saddles
- ✅ Essential for Complex Jobs — Axle removal, suspension work, trailer frame lifting, and high-clearance applications
Pro Tip: For maximum reach on oversized trucks and fully loaded trailers, pair this extension set with the JR AIR TOOLS 80/40 Ton Air Hydraulic Jack. Combined, you can reach the lifting heights required for the tallest commercial trailer frames and heavy construction equipment. 🛠️🚛