



ESCO 90521 Pro Series 3 Ton Trolley Jack
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- No Sales Tax outside PA where applicable
- Authorized Dealer Price Match verification required
- Fast Delivery some products may have lead times
- Manufacturer Warranty included with purchase
- Questions? +1 (855) 498-2147
ESCO 90521 Pro Series 3 Ton Trolley Jack
The ESCO 90521 Pro Series is a professional-grade 3-ton (6,000 lb) trolley jack engineered for automotive and medium truck lifting with innovative safety and control features. The unique Lift & Twist lowering system combined with double pump design enables fast raising and precise, controlled lowering. With a super low profile 3.75-inch minimum height, heavy-duty nylon wheels that protect shop floors, and a built-in tools tray, the 90521 delivers professional performance for shops, dealerships, and DIY enthusiasts. ASME certified and backed by 3-year warranty, this trolley jack combines speed, control, and durability.
ESCO 90521 Features
Patented Lift & Twist Lowering System
The unique Lift & Twist controlled lowering mechanism enables technicians to lower vehicles with precision and absolute control. The two-speed action release system allows adjustable descent speed - slow for precision work or fast for quick lowering. This patented design delivers safety and control unmatched by traditional jacks.
Super Low Profile 3.75-Inch Minimum Height
The 3.75-inch (95 mm) minimum height allows the jack to fit under low-ride vehicles, sports cars, and lowered trucks without modification. This ultra-low profile is essential for modern vehicle designs while maintaining the full 3-ton lifting capacity throughout the entire range.
Double Pump Design for Speed and Control
The dual pump system enables both rapid lifting via the foot pedal and traditional handle pumping for precise positioning. This flexible dual-action design reduces fatigue during frequent use and lets technicians choose between speed and control based on the task at hand.
Heavy-Duty Nylon Wheels Protect Shop Floors
The reinforced nylon wheels are engineered to withstand constant use without damaging concrete, epoxy, or finished shop floors. Unlike metal wheels, the nylon design rolls smoothly and quietly across shop surfaces while ensuring the jack remains stable during lifting and lowering.
Built-In Tools and Parts Tray
The integrated tools tray provides convenient storage for fasteners, small parts, and hand tools while working on vehicles. This design keeps essentials within reach, reducing fumbling and drops while maximizing workspace efficiency during service operations.
Padded Handle and ASME Certification
The cushioned handle protects vehicle finish from scratches and marks during pumping operations, while the ASME certified design confirms the jack meets strict industry safety and performance standards. This professional-grade construction ensures reliability and safety in demanding shop environments.
ESCO 90521 Applications
- Professional Repair Shops and Dealerships: Ideal for daily service operations including oil changes, suspension work, brake service, and undercarriage inspection on cars and light trucks.
- Quick-Lube and Tire Service Centers: The fast-lifting foot pedal and precise lowering control make the 90521 perfect for high-volume tire rotation and fluid service.
- Fleet Maintenance Facilities: Designed for heavy daily use in fleet shops servicing multiple vehicles. The durable construction withstands continuous operation.
- Home Garages and Enthusiast Projects: Perfect for DIY mechanics and car enthusiasts working on personal vehicles, restoration projects, and weekend maintenance.
- Low-Ride and Sports Car Service: The 3.75-inch minimum height makes this jack ideal for lowered vehicles, sports cars, and performance platforms that require ultra-low clearance.
ESCO 90521 Specifications
| Specification | Value |
|---|---|
| Lifting Capacity | 3 tons (6,000 lbs) |
| Load Type | Automotive and medium truck vehicles |
| Certification | ASME certified |
| Specification | Value |
|---|---|
| Minimum Height | 3.75 inches (95 mm) |
| Maximum Height | 19.69 inches (500 mm) |
| Jack Length | 28.35 inches |
| Weight | 90-94 lbs (40.5-42.6 kg) |
| Specification | Value |
|---|---|
| Pump Type | Double pump (foot pedal and handle) |
| Lowering Control | Lift & Twist two-speed action system |
| Wheel Material | Heavy-duty nylon (non-damaging) |
| Handle | Padded (finish-protective) |
| Additional Features | Built-in tools and parts tray |
What's Included with the ESCO 90521
- 1 ESCO 90521 Pro Series 3-Ton Trolley Jack (complete and assembled)
- Built-in tools and parts storage tray
- Padded handle for finish protection
- Heavy-duty nylon wheels (pre-installed)
- Ready for immediate use - no assembly required
Not Included: Jack stands, floor lift equipment, or lifting accessories. Always use jack stands as a secondary support when working under a vehicle.
ESCO 90521 Shipping and Delivery
Freight Shipping
Coverage: Free standard shipping to commercial addresses in the 48 contiguous United States. Lead Time: 5-7 business days for in-stock orders. International: Contact sales for international freight quote.
Delivery Requirements
Package Type: Trolley jacks ship via parcel or freight based on order size. Delivery Type: Standard ground delivery. Inspection: Inspect jack upon receipt for shipping damage. Verify all wheels, handles, and pump mechanisms function properly before use.
Returns Policy
Returns accepted within 30 days of delivery on unused, unopened products in original condition with receipt. 20% restocking fee applies to items showing signs of use. Buyer responsible for return shipping costs. Contact customer service to initiate return.
ESCO 90521 Warranty
ESCO 3-Year Limited Warranty
ESCO backs the 90521 Pro Series with comprehensive warranty coverage against manufacturing defects and material failure during normal use.
- 3 Years: Full coverage for frame defects, pump mechanism failures, wheel damage, and valve malfunctions from date of purchase
- Coverage: Manufacturing defects in materials and workmanship for all structural and hydraulic components
- Exclusions: Damage from misuse, overload beyond 3-ton capacity, improper maintenance, or normal wear and tear
Requirements: Warranty is valid only when warranty card is on file or registered online at www.esco.net/warranty. Keep proof of purchase and registration documents for warranty claims.
Questions About the ESCO 90521?
Our equipment specialists can help with jack selection, safety guidelines, and product specifications for your shop or garage.
ESCO 90521 FAQ
What is the weight capacity of the ESCO 90521?
The 90521 has a 3-ton (6,000 lbs) lifting capacity, making it suitable for passenger vehicles and light to medium trucks. Never exceed the rated capacity as this will damage the jack and create safety hazards. Always verify vehicle weight and use jack stands for secondary support when working underneath.
Can the 90521 fit under low-ride vehicles?
Yes. The super-low profile 3.75-inch (95 mm) minimum height allows the 90521 to reach under lowered vehicles, sports cars, and performance platforms. This ultra-low clearance is one of the key advantages of the Pro Series design - you get 3-ton capacity with the ability to service modern low-slung vehicles.
How does the Lift & Twist lowering system work?
The patented Lift & Twist mechanism provides two-speed control lowering. Turn and hold the handle one way for rapid descent, or turn it the opposite way for slow, precision lowering. This gives technicians complete control over vehicle descent speed - perfect for delicate operations or rapid service cycles.
What are the advantages of the double pump design?
The dual pump system lets you use the foot pedal for fast raising without hand pumping, reducing fatigue during frequent use. For precise positioning, the traditional handle pump provides more control. You choose the best method for each task - speed for routine operations, control for careful work.
Will nylon wheels damage shop floors?
No. The heavy-duty nylon wheels are specifically designed not to damage concrete, epoxy, tile, or polished shop floors. Unlike steel wheels that can scuff and mark surfaces, nylon wheels roll smoothly and safely without leaving marks, protecting your shop's appearance and flooring investment.
Does the jack include jack stands?
No. The 90521 is a lifting jack only. Jack stands are essential safety equipment and must be purchased separately. Never rely on a jack alone to support a vehicle - always use jack stands as a secondary support underneath the vehicle while working underneath it.
What vehicles can the 90521 lift safely?
The 90521 is rated for vehicles up to 3 tons (6,000 lbs), which includes most passenger cars, sedans, coupes, hatchbacks, and light SUVs. Check your vehicle's specifications to confirm its weight before using. The jack is not rated for heavy trucks, commercial vehicles, or vehicles exceeding 6,000 lbs.
How often does the jack require maintenance?
The 90521 is relatively maintenance-free under normal use. Keep wheels clean and rolling smoothly, check the handle condition, and ensure the pump operates without leaks. Store in a dry location when not in use. Follow the warranty requirements and registration guidelines to maintain coverage.
Is the 90521 suitable for professional shop use?
Absolutely. The ESCO 90521 is engineered for professional shop use and is widely used in dealerships, repair shops, and tire service centers. The durable construction, fast lifting, and precise lowering make it ideal for high-volume daily use. The 3-year warranty and ASME certification confirm its professional-grade quality.
What warranty does the 90521 include?
The ESCO 90521 includes a 3-year limited warranty covering defects in materials and workmanship. The warranty is valid when the warranty card is registered online at www.esco.net/warranty. Keep your receipt and registration documents for warranty claims. The warranty does not cover misuse, overload, or normal wear.
Can I use the 90521 for frame work or alignment?
The 90521 is designed for general automotive service lifting including oil changes, tire service, suspension work, and undercarriage access. Frame work and alignment operations may require specialized equipment or specific jacking points - consult your vehicle's service manual for proper procedures and equipment requirements.
How do I know if the jack is working properly?
Test the jack before each use: operate the foot pedal and pump handle to confirm smooth lifting, use the Lift & Twist control to verify both fast and slow lowering speeds, and check that nylon wheels roll smoothly without grinding. If you notice sluggish movement, noise, or uneven lifting, stop use and contact service.
California Proposition 65 Warning
WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.p65warnings.ca.gov.
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