Katool KT-90E PRO – Spot Welder (Dent Puller)
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Katool KT-90E PRO - 3kW Dual-Function Body Spot Welder & Dent Puller
The Katool KT-90E PRO combines resistance spot welding and vacuum dent pulling in a compact 110V unit for professional auto body shops and serious DIY mechanics. With 3kW power output, dual-gun architecture, and small welding trace technology, this machine handles 0.6-1.2mm sheet metal while preserving factory paint finishes.
Key Features & Benefits
Higher Power Class Performance
The KT-90E PRO delivers 3kW/20A power rating that exceeds typical 1.8-2kW consumer stud welders, handling heavier collision repair work while maintaining standard 110V operation. This elevated power capacity provides consistent performance across varying dent severity and panel thickness applications.
The sustained power delivery eliminates delays between operations, improving technician productivity in high-volume repair environments and enabling both light automotive sheet metal and heavier commercial applications.
Dual-Gun Architecture for Workflow Efficiency
Two dedicated guns (puller and welder) eliminate tool swapping time compared to single-gun systems. The dual-cable configuration allows technicians to complete entire dent repair sequences without interrupting workflow to change attachments or recalibrate settings.
This improves repair cycle times by reducing setup delays between pulling and welding phases, particularly when working on panels requiring multiple pull points and welding operations.
Paint-Safe Small Welding Trace Technology
The 0.6-1.2mm optimized welding thickness and small spot welding capability preserve factory rust-proof paint on panel reverse sides. This precision welding system creates minimal heat-affected zones, maintaining the structural integrity of protective coatings that prevent corrosion.
The preserved paint system prevents moisture intrusion and corrosion at repair sites, enabling invisible repairs that maintain vehicle warranty coverage and long-term durability.
Robust Construction with Thermal Management
Stainless steel body construction, pure copper internal wiring, and side-hole cooling system support continuous professional use. The thermal management system includes automatic overheating protection and passive cooling design for consistent performance during extended operations.
The durable construction reduces maintenance requirements and extends equipment service life, eliminating downtime due to thermal overload conditions.
Complete Professional Accessory Package
Comprehensive stud kit, dual guns, and organized storage case provide turnkey setup without additional accessory purchases. The included toolkit contains multiple stud types, copper carbon rods, pulling tabs, washers, and hooks organized for efficient job site management.
This reduces initial setup costs and ensures technicians have the correct accessories for diverse repair applications.
Seven-Mode Precision Control System
Multiple selectable welding modes enable precise power adjustment for varying dent severity and panel thickness applications. The 7 welding modes provide fine-tuned control over heat input and welding characteristics, optimizing results across different automotive materials.
This enables consistent repair quality across diverse applications, allowing technicians to optimize welding parameters for each specific repair and reduce rework requirements.
Applications & Use Cases
- Professional Collision Repair: Automotive body dent repair on doors, quarter panels, hoods, and trunk lids in commercial auto body shops
- Auto Restoration Projects: DIY auto restoration focusing on sheet metal repair and dent forming for classic and vintage vehicles
- Commercial Fleet Maintenance: Efficient dent repair on commercial vehicles, delivery trucks, and service vehicles
- General Sheet Metal Fabrication: Sheet metal repair and forming applications including appliance repair and metal fabrication
Technical Specifications
| Specification | Value |
|---|---|
| Input Voltage | 110V AC |
| Input Power | 3kW |
| Maximum Input Current | 20A |
| Welding Modes | 7 selectable modes |
| Carbon Rod Output | AC 3-5V |
| Touch Welding Output | AC 1-7V |
| Specification | Value |
|---|---|
| Single-sided Welding Thickness | 0.6-1.2mm (0.02-0.05 inches) |
| Vacuum Suction Capacity | 397 lb (180 kg) |
| Dimensions | 8" × 12.5" × 10" (20.5 × 32 × 25.5 cm) |
| Weight | 53.8 lb (24.4 kg) |
| Construction | Stainless steel body with pure copper wiring |
Installation Requirements
Power Requirements
- Electrical Connection: 110V AC single-phase electrical connection
- Circuit Rating: Dedicated 20A circuit recommended for full power operation
- Operating Environment: Standard workshop ambient conditions
Mounting & Setup
- Footprint: Bench or cart mounting with 12.5" × 8" × 10" footprint
- Ventilation: Adequate clearance around side cooling vents required
- Mobility: 53.8 lb unit suitable for cart-mounted or bench installation
Installation Notes
- Setup: No special mounting hardware required - suitable for existing shop benches or equipment carts
- Permits: Verify local electrical code compliance for 20A circuit installation
Shipping & Delivery
Freight Coverage
Shipping: Freight shipping standard for auto equipment.
Delivery Timeframe: Typically 4-8 business days from order placement (subject to inventory availability).
Delivery Requirements
Unloading: Customer responsible for unloading from delivery truck. Unit weighs 53.8 lb in shipping container.
Receiving: Inspect all packages before signing bill of lading. Note any visible damage on BOL before driver departs.
Warranty Coverage
Standard Warranty Program
12 Months - Parts: Complete parts coverage for all internal components and electrical systems
Note: Labor not included in warranty coverage - parts replacement only
Warranty Requirements
Coverage: Valid for original purchaser with proof of purchase
Claims: Contact manufacturer or authorized dealer for warranty service and parts replacement
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Frequently Asked Questions
What are the electrical requirements for the Katool KT-90E PRO?
The KT-90E PRO requires 110V AC single-phase power with a dedicated 20A circuit recommended for full 3kW operation. Standard workshop electrical service is sufficient, and the 20A circuit ensures consistent power delivery during extended welding operations.
What accessories are included with the KT-90E PRO?
The complete kit includes main power unit, two welding guns (dent puller and welding gun), complete stud and meson accessory kit with multiple stud types, copper carbon rods, pulling tabs, washers, hooks, toolbox storage case, power cable, and operating instructions.
What thickness range can the KT-90E PRO weld?
The unit is optimized for single-sided welding on 0.6-1.2mm (0.02-0.05 inches) sheet metal, covering most automotive body panel applications including doors, quarter panels, hoods, and trunk lids. The 7 welding modes provide precise power adjustment for different thicknesses.
Is the KT-90E PRO suitable for professional auto body shops?
Yes, the 3kW power output, dual-gun architecture, and stainless steel construction with thermal management support continuous professional use. The robust construction with pure copper wiring and automatic overheating protection maintains consistent performance during extended daily operations.
How does the small welding trace technology protect paint?
The precision welding system creates minimal heat-affected zones within the 0.6-1.2mm thickness range, preserving factory rust-proof paint on panel reverse sides. This maintains protective coating integrity and prevents future corrosion at repair sites.
What is the vacuum suction capacity for dent pulling?
The KT-90E PRO provides 397 lb (180 kg) vacuum suction capacity for pulling significant dents on automotive body panels. The dual-gun architecture allows immediate access to both pulling and welding capabilities without tool changes.
What safety features are included?
The unit includes automatic overheating protection and side-hole passive cooling design to prevent thermal overload. The 7 welding modes allow precise power control to prevent panel distortion, and the stainless steel construction with pure copper wiring provides consistent electrical performance.
What warranty coverage is provided?
The KT-90E PRO includes 12-month parts warranty covering all internal components and electrical systems. Labor is not included. Extended warranty terms may vary by dealer.
About the Brand
Katool
