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2025 IWS Signature Series™ International MV
Extended Cab 20.5' International

Stock#: 3577

Schedule Build Slot

Building in 2024

IWS Has always tried to keep our customers at the forefront of technology and safety. Over 20 Years in this business has taught us that designing and building the best trucks we can, is the key to not only success but our customers success as well. With all that being said, we are proud to offer the IWS Signature Series of custom designed Towing Chassis.

(Note) Chassis and Tow Body, equipment along with other vendor supplied items / specifications are subject to change without notice. For the most accurate Specifications please see actual quote.

  • Cummins B6.7L – 300hp **(IWS Signature Series™ Option)
    • Exhaust Brake – Variable Geometry Turbocharger Exhaust Brake
  • 6-Speed Allison Automatic Transmission with Double Overdrive
  • 26,000 Lbs. GVWR **(IWS Signature Series™ Option)
    • 10,000lb. Front Axle
    • 10,000lb. Front Suspension
    • 21,000lb Rear Axle **(IWS Signature Series™ Option)
    • 20,000lb. Rear Suspension with Dump Valve **(IWS Signature Series™ Option)
    • Front and Rear Axle give to 31,000lb Capacity but we have the Chassis Factory De-Rated to 26,000lbs. This gives you the ultimate capacity yet keeps truck registered at 26,000lb. **(IWS Signature Series™ Option)
  • 4.88 Rear Gear Ratio
  • Air Locking Rear Differential **(IWS Signature Series™ Option)
    • Have full control of locking your rear differential if you are doing work in inclement weather
  • Air Disc Brake System **(IWS Signature Series™ Option)
    • With air disc brakes, stopping distance is decreased on average by 40%
    • Maintenance cost reduced to 25% the cost for air drum brakes and dramatically reduced downtime during service
    • Internal automatic brake adjustment allows brakes to always be in optimum adjustment
    • Straight, stable stops due to minimized brake force variation across axles
    • Dual synchronized pistons provide even force distribution, resulting in more even pad wear, reduced heat and noise elimination
  • Air Dryer with Heater
  • 70 Gallon Polished Aluminum Fuel Tank **(IWS Signature Series™
  • Bright Aluminum Steps – Driver side and Passenger side **(IWS Signature Series™ Option)
  • 7 Gallon DEF Tank
  • Accuride “Accu-Shield” Anti-Corrosion Aluminum Wheels **(IWS Signature Series™ Option)
    • These wheels don’t require polishing! Only soap and water are required
    • Corrosion resistant
    • Front Hi-way Tread and All-Season Rear Tire. Tire Size – 255/70R22.5
    • Stainless Steel Hub & Lug Covers
  • (3) 650 CCA International Maintenance Free Batteries (1980 CCA Total)
  • 160-Amp Alternator
  • 18.7-CFM Air Compressor
  • Fuel/Water Separator with 12VDC Electric Heater
  • 1000 Watt / 120 Volt Block Heater
  • Chrome Finish Bumper & Grille
  • Keyless Entry with 2 Remote Controls **(IWS Signature Series™ Option)
  • LED Marker Lights
  • Dual Bright Finish Sturdy Power Operated & Heated Mirrors
  • Large Pedestal Mount is a Huge Improvement over previous versions and reduces door stress!
  • Air Ride Cab Suspension
  • Diamond Trim Interior Décor’
  • Premium Level Gauge Cluster
    • Includes LCD Color Drive Information Display
  • National 2000 Air Ride Driver Seat with Armrests
  • National 2000 Air Ride Passenger Seat with Armrests
  • Full Width Rear Bench Seat
  • Leather-Wrapped Tilting Steering Wheel **(IWS Signature Series™ Option)
    • Includes controls for Cruise & Idle Up
    • Reduce the road vibration in your hands
    • More comfortable driving experience
    • Thicker diameter allows for comfortable feel
  • Power Windows / Power Door Locks / Cruise Control / Power Mirrors
  • Exterior Lighting System Test Pre-Trip Feature
  • AM/FM/WB/CD/USB Input Radio with Front Auxiliary Inputs
    • Includes Apple Device Play & Control
    • Includes Bluetooth for Phone & Music
  • LED Daytime Running Lights
  • Color Matched Exterior Sun Visor **(IWS Signature Series™ Option)
  • Factory Provided Auxiliary Switch Panel


*Bed/Body and Additional Accessories built to Customer Specification*

*Popular Options*

  • Rollback Bed in 20.5’ or 21.5’ lengths
  • Standard, Load Rite or Right Approach Car Carrier Beds
  • Frame or Bed Mounted Cab Protectors
  • In The Ditch Side Puller SP9000, SP12000 or SP20000
  • IWS Exclusive Light Bar (Custom Lit to Customer and State Laws)
  • In The Ditch Toolboxes Configured to Customer Specifications
  • In The Ditch Wheel Dollies, Axels, and Mounting Systems
  • IWS Exclusive Lighting Packages


Mild to Wild, IWS Sales can make it happen!

(Note) Chassis and Tow Body, equipment along with other vendor supplied items / specifications are subject to change without notice. For the most accurate Specifications please see actual quote.

This 2025 International Custom comes with the IWS Advantage Package!

Advantage Package

  • Priority service treatment on emergency truck repairs.

Your truck will come with our IWS Exclusive Build Book including:

  • All Operation Manuals
  • Custom IWS Wiring Diagrams

Key Information about your truck such as:

  • Serial Numbers
  • Warranty Start Date

(We keep detailed backup records of your equipment electronically)

  • Your tow truck will be filled with fuel at delivery.
  • Exclusive 1 on 1 training on how to use your new tow truck

This Floor plan may show optional features that are not on every unit.

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*Please note that due to changes at factory, specifications, dimensions, features, and options may change at anytime without notice*

Due to continued improvement, changes in suppliers and design; features, options, appliances, equipment, colors, material specifications, prices, and model availability are subject to change without notice.

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