Interstate Trucksource - Full Service Medium and heavy-duty Truck center | Mack Truck Dealer

Medium and Heavy Duty Truck Repair & Service

Change the subtext to: From full engine diagnostics and DPF cleaning to transmission rebuilds and DOT inspections, our technicians service Mack, Hino, Volvo, Isuzu, Peterbilt, Kenworth, Freightliner, Navistar, and more — delivering expert care for all major Heavy Duty Truck brands.

14+ Master Certified OEM Mechanics

18 Service Bays

Heavy Duty Truck Rentals & Leasing

150+ Heavy Duty-Spec Truck Rentals and Medium Duty Rentals keep your operations moving.

Our trucks for rent in Michigan include the following:

Box Trucks with Liftgates
Day Cabs
IRP Plated Trucks
Sleepers

Heavy Haul Tractors
Same Day Turnaround
Professional Detailing

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2025 MACK MD7 SS076699

Beau Roc Stainless dump Body kit (27.0) - 10' Overall Length - 30" Side height, 36” tailgate - 6-8 Yd capacity - Air release tailgate lever - 3/16" Ar450 floor sheet - Welded on 23” cab protector - Double acting mailhot telescopic cylinder - LED lighting package w/ sealed harness - Rubber mudflaps w/ anti sails behind rear axle - Aluminum Electric Tarp system - (4) spring side mount adjustable arms - Aluminum wind deflector - Rocker switch control In cab - 7’x14’ HD black mesh tarp Amber Warning light package (10.0) - Amber LED minibar mounted on tarp housing Or Cab shield - (2) Amber Grote LED Light heads mounted in rear dump post - (2) Amber Grote LED light heads in Grille - (2) Amber Grote LED light heads side facing on cab shield Electric brake controller (4.0) - Install Digital brake controller for up to 4-axles - Install Electric over air pressure switch - 12v Aux charge wire fused at 15 amps - Install 7-flat plug or wire into existing if already equipped Backup Camera System (5.0) - 7” HD Color rear view monitor w/ dash mount Air trailer Brake Kit (10.0) - Install Red Air trailer Supply valve Install Manual application dash valve - Install Tractor protection valve - Install all necessary ck valves, fittings and tube - Install Gladhands at rear hitch plate Chassis Cab Hitch Kit (5.0) - 34”x24” 3/4" solid steel hitch plate w/ 9” gussets - (2) 3/4” weld on d-rings - 7 pin flat trailer plug wired to junction box, - 2-5/16” Pintle/ ball combo hitch set at 21.5”, extra holes to adjust up and down. - 4” channel at bottom (if required)

Heavy Duty Truck Parts

Access one of Michigan's largest selections of Heavy Truck Parts, with OEM and aftermarket options ready for immediate delivery. We also stock Medium Duty Truck Parts for mixed fleets — all backed by our expert parts team.

10,000+ Parts

Same-Day/Next-Day Delivery

We have a vast in-house inventory

Mack parts assist ordering system

NEX Part ordering system

Our Service Area (Michigan/Ohio)

PART DEPARTMENT

Your Source for Medium and Heavy-Duty Truck Sales, Service, Parts & Rentals Proud Mack and Hino dealership serving Romulus (Detroit) and Saginaw, Michigan — offering used heavy-duty and medium-duty trucks, rentals, leasing, and full-service repair and parts support for all major makes and models.

Explore Used Heavy Duty Trucks for Sale in Michigan

New Mack Trucks For Sale

New Mack Trucks For Sale

New Hino Trucks For Sale

New Hino Trucks For Sale

Medium and Heavy Duty Truck Repair & Service

One Hour Guarantee of diagnostic completion

COMPANIES WE SERVICE AND SELL

Heavy Duty Truck Rentals & Leasing

Heavy Duty Truck Parts

Free Delivery