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McCoy Miller Medium-Duty Ambulance Construction

McCoy Miller Medium Duty Ambulance Construction

Whether you’re looking for an emergency vehicle built on a Ford medium-duty ambulance chassis or shopping for an International or Freightliner ambulance, McCoy Miller delivers custom medium-duty ambulances to complete your ambulance fleet. Available in multiple lengths — 163-, 170- and 172" — these ambulance trucks are the brawn of the crew thanks to their rugged build, custom features and 72- to 74" of interior headroom.

  • A roomy action area makes on-the-move patient care easier thanks to ample interior cabinets and exterior aluminum compartments.
  • These vehicles include easy-to-maintain, full-height, stainless-steel doors, an industry-only feature – just a few screws and you have complete access to the door’s mechanism.
  • Every extrusion is cut to exacting measures using a CNC plasma laser — a one-of-a-kind process that contributes to McCoy Miller’s fast lead times. Why spend 2 hours cutting holes by hand when it can take 14 minutes?


Just like the custom builds found on each of McCoy Miller’s medium-duty vehicles, these units provide you with plenty of options when it comes to your chassis. Choose from an International, Freightliner or Ford ambulance chassis and you’re all set to tackle the next call.


McCoy Miller Medium Duty Ambulance FREIGHTLINER 9170M2 Chassis


McCoy Miller Medium Duty Ambulance FREIGHTLINER 9170M2 Chassis


McCoy Miller Medium Duty Ambulance  INTERNATIONAL 91631 Chassis


McCoy Miller Medium Duty Ambulance INTERNATIONAL 91701 Chassis





When it comes to value-added features on a McCoy Miller lineup, these vehicles far surpass the status quo. Customizable from top to bottom, each one allows crews from all walks of life and lines of duty to create a unique ride that lives up to their needs.

McCoy Miller Medium Duty Ambulance Construction


Just like each McCoy Miller ambulance line, these vehicles also benefit from a baseline buying process that allows individuals to customize units from the ground up. Simply begin with a chassis, select a module size and then work through our up-front process.

McCoy Miller Medium Duty Ambulance Construction


TriMark handles aren’t just the handles ambulance manufacturers trust most, they’re also the ones crews rely on time and time again. By providing a skid-free backing and enough room to grip without needing to remove gloves, these handles make interactions a breeze.

McCoy Miller Medium Duty Ambulance Construction


Full-height, stainless-steel door panels, a McCoy Miller brand exclusive, provide operators with an easily accessible mechanism area that is reached by only removing a few screws, as well as delivering easy door handle maintenance and options for latch adjustment ports.

McCoy Miller’s medium-duty ambulances are extremely customizable, but that doesn’t mean these ambulances aren’t already packed with must-have standards. No matter which chassis type or module length you choose to fit your needs, this vehicle is guaranteed to fit right in with your fleet thanks to these valuable inclusions.



  • Body: All-aluminum construction
  • Framework: Fully welded tubular structure
  • Rear bumper: Steel frame with ADP covering and flip-up center to facilitate loading
  • Roof: Crown rolled to inhibit water pooling
  • Running boards: Diamond plate

Cabinets and Compartments

  • O2 storage: Street-side front compartment
  • ALS cabinet: Storage for two 747 kits, mon./defib., medical cabinet, located at front bulkhead (142/146)
  • ALS cabinet: Two large cabinets with 3/8" hinged Plexiglas doors (163/170)
  • Full 3/4" marine-grade wood cabinetry
  • Completely seamless upholstery


  • Door liners: 14GA stainless-steel, attached with 10-24 stainless-steel screws into automotive clips
  • Door jam switches: Magnetic
  • Heavy-duty extruded door jams: Seamless
  • Improved design: Reduced welding to enhance the overall appearance
  • Integrated door seal: Reduces wear on the seal and eliminates outer contamination
  • Latches: TriMark paddle-style latches



Electrical system

  • Circuit board: Printed
  • Console switches: Marine-grade, replaceable, milliamp circuit
  • Dome lights: Six dome lights, Hi-Lo switched
  • Door open circuits: Magnetic/LED diagnostic circuit
  • Harness: Heavy-duty, machine-crimped, pull and load tested
  • Inverter: Pre-wired for inverter
  • System: Excel electrical system and ECX electronic master switch with timer
  • Timing devices: LED clock in the rear control panel

Emergency alerts

  • Backup alarm: 97 Db with momentary cutoff
  • Load lights: Two Whelen 900 series
  • Marker lights: ICC LED
  • Scene lights: Four Whelen 900 series
  • Siren: Whelen 2955SLSA1
  • Speakers: Two CPI with 100-watt speakers
  • Spotlight: One, 400,000CP hand-held light with momentary switch, hard-wired to console
  • Warning lights: Whelen 900 series




  • AC/heat system: 650 CFM blower, 36,000-BTU heat, 32,000-BTU cool
  • Insulation: R-11 fiberglass bats
  • Vent power: Marine style with three-speed fan



Medical Support

  • Aspirator: Rico RS4X disposable
  • CPR seat: In street-side cabinets
  • Hazardous waste/sharps disposal: Stainless-steel A bar at the head of the squad bench
  • IV holders: Two dual-cast, swing-down rubber holders with Velcro retaining straps
  • O2 tanks: O2 Zico QRMV rack for “M” or “H” tanks



McCoy Miller ambulances give you options when building your new fleet. The versatility of building on the modular body and configuring the rest of the unit for unique specifications allows for upgrades to the heating and cooling, as well as aftermarket additions to the electrical panel.


The Excel electrical system allows for quick additions of numerous features throughout the ambulance. Printed circuit boards allow users to simply plug and play various components using a switch panel that involves minimal wiring and is easy to understand. This means aftermarket add-ons are easier than ever to implement.


McCoy Miller’s standard is fiberglass insulation with an R-11 value, but users can upgrade to an optional spray foam that can be incorporated underneath the surfaces. Reflective materials are used to help neutralize hot and cold external elements.


Providing EMT’s with superior convenience, the action area at the back of the ambulance comes with an integrated digital clock. The digital clock is plugged into the electrical switch panel, providing EMT’s with a means to check pulses without having to rely on an analog clock.


Each McCoy Miller ambulance comes with TriMark handles that are able to accommodate gloved hands, which comes in handy when you’re in a hurry, like a firefighter that needs to get into the unit and back out to the scene.

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