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Product Details

The MAXIMUM 40V 1/2-in Impact Wrench Kit packs serious punch for contractor-grade tasks that require extra power. The innovative brushless motor unleashes up to 850 ft-lb of max torque and an astounding 1200 ft-lb of reverse torque to tackle the toughest fastening and nut-removal jobs. Three speed ranges give you precise control over your power output, while the compact friction ring system securely grips sockets for ease of operation.

  • Kit includes: (1) 40V MAX Li-Ion 1/2" (12.7 mm) brushless High-Torque Impact Wrench, 1 pc MAXIMUM XVOLT 40V/20V (2.5Ah/5.0Ah) battery, 1 pc belt-clip,  80-minute fast charger, a user manual, and a carrying case

  • Innovative brushless motor design delivers more power, increases run time and provides a longer life span

  • Features 3 speed ranges: Low range (0-400 RPM/0-800 BPM), Medium (0-800 RPM/0-1600 BPM) and High (0-1800 RPM/0-2200 BPM)

  • 1/2" (12.7 mm) square driver with friction ring system securely holds sockets and adapters

  • LED work light with time-delay is great for low-light applications and conveniently illuminates your workspace even after the trigger is disengaged

  • Compatible with the MAXIMUM 20V MAX X-Treme Li-Ion battery platform family of cordless power tools

  • Replacement parts (each sold separately): MAXIMUM 20V MAX Fast Charger (CT# 054-7985) and MAXIMUM XVOLT 40V/20V (2.5Ah/ 5.0Ah) Li-Ion Battery (CT# 054-7983)

  • 5-year limited warranty against defects in workmanship and material

Part Number 4133
Drive Size (in) 1/2"
Maximum Torque (ftlb) 850 ft-lb
No-Load Speed Range (rpm) 0 - 1800
Maximum Impact Rate (bpm) 2200 bpm
Motor Type Brushless
Drive Type Friction Ring
Cordless Indicator Yes
Battery Platform MAXIMUM X-Volt 40 V
Batteries Included Quantity 1
Variable Speed Yes
Integrated LED Yes
Number of Accessories 1
Accessories List Batteries Included, Battery Charger Included
Case Type Hard Case
Assembled Length (in) 8.94 in
Assembled Width (in) 3.58 in
Assembled Height (in) 9.45 in
Assembled Weight (lb) 6.94 lb
Warranty
  • 5 year limited warranty against defects in workmanship and material.. This product is partially repairable. For details contact MAXIMUM Customer Support at 1-888-670-6682
User Manual
  • View user manuals and additional product information

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Online Ordering
  • Pick Up is free at most stores (some stores require a minimum order value before tax)
  • Shipping fee is based on size and weight of products and distance from address to store
  • Same-Day Delivery costs $9.99 per order
  • Online Ordering Information
Returns
  • Most products can be returned or exchanged at any Canadian Tire store within 90 days of purchase
  • Some products are non-refundable and non-exchangeable
  • The return policy outlined above may not apply to the product you are currently viewing. For complete details and eligibility, please refer to our Return Policy for exceptions.