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SKU: 4001

MINI MUTT® (4 Pin)
4-Pin Trailer Tester

Power and Test Boat, Utility and Small Cargo Trailers Without a Truck – Plug-and-Play Trailer Tester Using DeWalt® Compatible Batteries
In Stock

$129.95

Buy Now This product has multiple variants. The options may be chosen on the product page
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SKU: 8094

BrushAll® Wire Hand Brush

Professional Wire Hand Brush with Ergonomic Handle; Available in Nylon and Stainless Steel
In Stock

$17.25

Buy Now This product has multiple variants. The options may be chosen on the product page
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SKU: DGW

BrushAll® Diamond Grinding & Cut-Off Wheels

Virtually Indestructible! Last 60X Longer than Standard Grinding Wheels.
In Stock

Price range: $13.75 through $115.50

Buy Now This product has multiple variants. The options may be chosen on the product page
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SKU: 5710A-T10

Alpha MUTT® (2nd Gen) w/ ABS and Tablet
Mobile Universal Trailer Tester

Advanced diagnostic trailer tester with detailed reporting capabilities, ABS diagnostics and tablet.

(No Monthly Fees; Free Updates)

SHOP
In Stock
3 Year Warranty

$6,595.00

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SKU: 4105 Series

Smart MUTT® X (7-Way Round/Flat, 6-Way Pin)
Mobile Universal Trailer Tester

a red and black ipm mobile universal trailer tester

A Universal, Remote-Controlled, Diagnostic Light Tester for All North American Trailers

(Supersedes the #9004A Smart MUTT®)

SERVICE-TRUCK
In Stock
3 Year Warranty

Price range: $850.00 through $1,095.00

Buy Now This product has multiple variants. The options may be chosen on the product page
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SKU: 8056

Air Bender® Blow Gun

a close up of a tool with a long handle on a white background
Innovative 90 Degree Specialty Blow Gun
In Stock

$22.50

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SKU: 8058

BlowBack® Blow Gun

a purple air-scraper blow gun on a white background
Innovative Blind Hole Air Blow Gun
In Stock

$32.25

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SKU: 8057

Air-Scraper Blow Gun

silver air scraper blow gun on a white background
Innovative Steel Scraper Tip Air Blow Gun
In Stock

$34.50

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SKU: 9008-DLEXT

Super MUTT® PRO Edition W/ Extended Cable/Hose Package
Mobile Universal Trailer Tester

Compact and rugged, remote-controlled, one-man-operation diagnostic trailer tester for lighting and air brake systems. Automatically detects wiring faults, chases shorts with pulsar mode, speeds up inspections, and reduces guesswork.
SHOP
In Stock
3 Year Warranty

$2,550.00

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SKU: 8091

Flow-Thru System with Brush and Venturi

A versatile, first-time tool that combines air pressure and solvents for unparalleled cleaning performance.
In Stock

$194.95

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SKU: TSTPK1

Multi Trailer Tester Jobber Pack

All the popular trailer circuit testers in one clamshell.
In Stock

$169.95

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SKU: M2000

NATO MUTT®
Mobile Universal Trailer Tester

Industry-leading trailer tester that quickly repairs and troubleshoots military and commercial trailer light and air brake systems.
SHOP
In Stock

$2,995.00

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SKU: 9008-DL

Super MUTT® PRO Edition
Mobile Universal Trailer Tester

Compact and rugged, remote-controlled, one-man-operation diagnostic trailer tester for lighting and air brake systems. Automatically detects wiring faults, chases shorts with pulsar mode, speeds up inspections, and reduces guesswork.
SHOP
In Stock
3 Year Warranty

$2,395.00

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SKU: 9008-SE

Super MUTT® Base Model
Mobile Universal Trailer Tester

a red cart with a bunch of wires attached to it
Compact and rugged, remote-controlled, one-man-operation diagnostic trailer tester for lighting and air brake systems. Automatically detects wiring faults, chases shorts with pulsar mode, speeds up inspections, and reduces guesswork.
SHOP
In Stock
3 Year Warranty

$2,095.00

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SKU: 9038A

Relay Bypass Switch Kit with Amp Loop

a box that says relay bypass switch kit with amp loop
Control and test fuel pump circuits independent of key-on systems; includes six relays for most domestic, Japanese, Korean and German applications.
In Stock

$126.95

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SKU: 7865L

7-Way Round Pin Tractor Trailer Circuit Chaser®

a close up of a black object with red green and gold wires
Test 7-way round pin towing circuits at the back of the truck.
In Stock

Original price was: $49.95.Current price is: $39.96.

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SKU: 7900A-5A

7-Way Round to 7-Way Flat Adapter

Adapts 7-way round connections to 7-way flat (spade).
In Stock

$62.25

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SKU: 8001D

36-Piece Original Bore Brush Set

Cleans bushings, ports, tubes, holes, channels, sockets, brake guides, and much more.
In Stock

$110.95

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SKU: 8090B

Brass Specialty Engine Brush Kit

Specially designed to clean injector bores and valve seats on most light, medium and heavy-duty diesel motors.
In Stock

$234.50

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SKU: 8090S

Stainless Steel Specialty Engine Brush Kit

Specially designed to clean injector bores and valve seats on most light, medium and heavy-duty diesel motors.
In Stock

$196.95

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SKU: 9101 Light Ranger MUTT

Light Ranger MUTT® (7-Way Spade Pin)
Mobile Universal Trailer Tester

Test trailer lights, brakes, and 12V power without a truck. Avoid blown fuses and wasted time. Rugged, water-resistant, and made in the USA. (For 7 Spade pin)
Ranger MUTT®
In Stock

Price range: $199.99 through $219.95

Buy Now This product has multiple variants. The options may be chosen on the product page
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SKU: 9102

Heavy Ranger® MUTT® (7-Way Round Pin)
Mobile Universal Trailer Tester

Test trailer lights, brakes, and 12V circuits—no truck needed. Built for 7-way round pin trailers. Rugged, water-resistant, and made in the USA.
Ranger MUTT®
In Stock

Original price was: $244.95.Current price is: $209.95.

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SKU: 9200

Tactical Trailer Tester Field Kit

Test and clean tow circuits on all trucks and trailers in North America.
In Stock

$995.95

  • USA Manufacturer Since 1996
  • Satisfaction Guaranteed
  • 24-Hour Repair/Replace

Customer Reviews

  • "Works great. Now I can easily tell if it’s the trailer with the problem or the truck. Simple to use."
    Ricky May
    #9107A Review
  • “Great product. Made in the USA. If you have a commercial trailer you need this.”
    Craig
    #9102 Review
  • “If you do a lot of trailer PM's or FHWA the Super Mutt is a real time saver and a must have.”
    Michael
    #9008 Review
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