Build Your Fleet With Used Service Trucks

Whether you’re expanding your fleet, launching a new mobile repair service or seeking a more efficient way to manage on-site maintenance, a dependable service or mechanic truck is essential for success.

At Custom Truck One Source, we stock and sell used service and mechanic trucks to meet your operational requirements. Since we understand the significant impact a reliable truck can have on improving organization and keeping your projects on schedule, we provide trucks from leading brands known for prioritizing quality.

Explore Our Used Service Trucks for Sale

As a reputable one-stop shop dealer, Custom Truck One Source prioritizes reliability. Our in-house technicians perform a rigorous operational inspection on each truck to confirm correct performance.

The different types of service trucks you can consider for your application include:

  • Standard service trucks: As the backbone of any mobile fleet, these trucks provide storage to keep your tools, parts and equipment organized and ready to go. They are ideal for general repairs, maintenance and utility work across any industry.
  • Crane service trucks: Often called mechanic trucks, these solutions feature an integrated crane to handle the heavy lifting, improving jobsite efficiency. They are essential for heavy-duty repairs that require lifting components like engines or transmissions.
  • Rail service trucks: As specialized solutions for trackside work, these assets feature hi-rail gear, providing direct-to-site access for all rail maintenance, repair and inspection. They are suitable for increasing productivity and minimizing downtime at the jobsite.

Your Guide to Buying Used Trucks

We make the process of buying used service and mechanic trucks for sale simple and transparent. Our listings provide all the information you need to make an informed decision.

Explore photos and detailed descriptions of our used service trucks for sale and discover their horsepower, transmission setup and any onboard equipment. You will also see the truck’s location, allowing you to inspect it in person before purchase.

Why Purchase Used Service Trucks From Us?

Our inventory includes service trucks in various sizes and with a range of features, enabling you to match your specific application with the ideal asset. Through our personalized approach, we’ll learn about your specifications and preferences and identify a fitting model for your operations. If you need custom features, our in-house team is ready to upgrade the truck to your specific crane, body and tool configurations.

As your dedicated partner, we provide financing options and deliver ongoing technical support throughout your investment’s lifespan. Our technicians are available 24/7 for assistance, empowering you to operate with confidence. Since 1996, we have built a reputable business trusted by many businesses across the U.S. With wide nationwide coverage, you can easily access our used service trucks.

Expand Your Fleet Today

Whether you need the lifting power of used mechanic trucks or the versatile storage of standard used service trucks, our experts will help you find the appropriate fit for your application. Browse our online listings and request a quote online to purchase your preferred truck.

There are no filters available for this category at this time.
Item # JDA02602
Stock Number(s):
JDA02602
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks w/Cranes
Location Cinnaminson, NJ
Mileage 140,517
Engine Hours 4613
Price:
USD $84,500.00
Pending Sale
Item # DHBZ0360
Stock Number(s):
DHBZ0360
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks
Location Kansas City, MO
Mileage 153,321
Engine Hours 7740
Price:
USD $41,500.00
Pending Sale
Item # MH665362
Stock Number(s):
MH665362
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks
Location Fontana, CA
Mileage 93,797
Engine Hours 3399
Price:
USD $104,500.00
closeclose
Load King Water Trucks
Every tank is built in-house by Load King™, our trusted manufacturing division. From dust control to construction and mining, Custom Truck One Source™ delivers non-potable water trucks built for performance, durability, and efficiency.
Item # KEG25316
Stock Number(s):
KEG25316
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks
Location Decatur, GA
Mileage 113,819
Price:
USD $49,500.00
Item # JG157465
Stock Number(s):
JG157465
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Rail Service Trucks
Location Alexandria, LA
Mileage 163,814
Engine Hours 3748
Price:
USD $56,500.00
Item # MEC70095
Stock Number(s):
MEC70095
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks
Location Alexandria, LA
Mileage 178,071
Engine Hours 5618
Price:
USD $99,500.00
Item # KG621440
Stock Number(s):
KG621440
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks
Location Humble, TX
Mileage 180,379
Engine Hours 7400
Price:
USD $85,500.00
Item # MG662317
Stock Number(s):
MG662317
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks
Location Kansas City, MO
Mileage 155,015
Engine Hours 5764
Price:
USD $104,500.00
Pending Sale
Item # KG621439
Stock Number(s):
KG621439
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks
Location Humble, TX
Mileage 211,675
Engine Hours 9240
Price:
USD $79,500.00
Item # KM634016
Stock Number(s):
KM634016
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks
Location Commerce City, CO
Mileage 158,703
Engine Hours 7607
Price:
USD $127,500.00
Item # PH781526
Stock Number(s):
PH781526
Sales contact(816) 256-3200
Buying Type Pre-Owned, Retail Ready
Equipment Type Service Trucks
Location Fontana, CA
Price:
CALL FOR QUOTE
Item # KH368974
Stock Number(s):
KH368974 (lot #4)
Buying Type CTOS Auctions
Equipment Type Service Trucks
Location Cicero, NY, NY
Running Condition Not Running
CTOS AuctionsStarts June 18, 2026
at 10:00am CT
Current BidUSD $0.00
PLACE BID
Item # MH661779
Stock Number(s):
MH661779
Sales contact(866) 411-2293
Buying Type CTOS Marketplace
Equipment Type Service Trucks
Location Hooksett, NH
Mileage 134,591
CTOS Marketplace
Make Offer or Buy Now Price:
USD $84,000.00
Buy Now
closeclose
Bid. Win. Work.
Join our monthly auction to score quality equipment from the source you trust. There’s something for everyone with Custom Truck Auctions. Click below to register for free!
Item # JG279823
Stock Number(s):
JG279823 (lot #8)
Buying Type CTOS Auctions
Equipment Type Service Trucks
Location Alexandria, LA
Mileage 158,001
Running Condition Running
CTOS AuctionsStarts June 18, 2026
at 10:00am CT
Current BidUSD $0.00
PLACE BID
Item # KH385713
Stock Number(s):
KH385713
Sales contact(866) 411-2293
Buying Type CTOS Marketplace
Equipment Type Service Trucks
Location El Reno, OK
Mileage 129,385
CTOS Marketplace
Make Offer or Buy Now Price:
USD $106,400.00
Buy Now
Item # JG279842
Stock Number(s):
JG279842
Sales contact(866) 411-2293
Buying Type CTOS Marketplace
Equipment Type Service Trucks
Location Commerce City, CO
Mileage 109,340
CTOS Marketplace
Make Offer or Buy Now Price:
USD $82,500.00
Buy Now
Item # KG621441
Stock Number(s):
KG621441
Sales contact(866) 411-2293
Buying Type CTOS Marketplace
Equipment Type Service Trucks
Location Humble, TX
Mileage 122,055
CTOS Marketplace
Make Offer or Buy Now Price:
USD $71,120.00
Buy Now
Item # 6H309906
Stock Number(s):
6H309906 (lot #65)
Buying Type CTOS Auctions
Equipment Type Service Trucks
Location Clearwater, Florida
Mileage 185,298
Running Condition Running
CTOS AuctionsStarts June 18, 2026
at 10:00am CT
Current BidUSD $0.00
PLACE BID
Item # 9E135614
Stock Number(s):
9E135614 (lot #41)
Buying Type CTOS Auctions
Equipment Type Service Trucks
Location Rome, New York
Mileage 135,292
Running Condition Running
CTOS AuctionsStarts June 18, 2026
at 10:00am CT
Current BidUSD $0.00
PLACE BID
Item # RG152295
Stock Number(s):
RG152295
Sales contact(866) 411-2293
Buying Type CTOS Marketplace
Equipment Type Service Trucks
Location Kiefer, Oklahoma
Mileage 1,973
CTOS Marketplace
Make Offer or Buy Now Price:
USD $92,000.00
Buy Now
Related Content