Carrier profile · USDOT 1905971 · MC-699110 · Updated Jul 18, 2026
EXTREME MATERIALS INC
DBA KNIGHTS TRUCKING
38 power unitsavg 5 yrLocal · 2 statesSUMMERVILLE, SC80/100
CARRIER ACTIVEMC-699110 ACTIVE
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 38
- Observed power (24 mo)
- 36
- Trailers (towed)
- 21
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2026
Newest model yr
1997
Oldest model yr
42.1%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 1A9AD3223SP432122 | Trailer | 2025 | AJR INC. | AJR Inc. | 10 | Jun 2, 2026 |
| 1NKZXPEX6MJ458786 | Truck | 2021 | KENWORTH | T880 | 9 | Mar 17, 2026 |
| 5KJJBWDV3SLVT8834 | Truck-Tractor | 2025 | WESTERN STAR | 49X Chassis | 7 | May 20, 2026 |
| 1A9AD3221SP432121 | Trailer | 2025 | AJR INC. | AJR Inc. | 6 | Jul 8, 2026 |
| 5KJJBWDVXSLVT8832 | Truck-Tractor | 2025 | WESTERN STAR | 49X Chassis | 6 | Jun 2, 2026 |
| 1NKZXPEX4MJ458785 | Truck | 2021 | KENWORTH | T880 | 5 | Jul 15, 2026 |
| 5KJJBWDV1SLVT8833 | Truck-Tractor | 2025 | WESTERN STAR | 49X Chassis | 5 | Jul 8, 2026 |
| 5KJJBWDV5SLVT8835 | Truck-Tractor | 2025 | WESTERN STAR | 49X Chassis | 5 | Mar 17, 2026 |
| 1A9AD3225SP432123 | Trailer | 2025 | AJR INC. | AJR Inc. | 4 | Mar 17, 2026 |
| 3HTPCTZT9NN303039 | Truck | 2022 | INTERNATIONAL | HX620 | 4 | Dec 29, 2025 |
| 1NKZXPEX2MJ458784 | Truck | 2021 | KENWORTH | T880 | 4 | Jul 7, 2025 |
| 3HTDTAPTXLN864924 | Truck | 2020 | INTERNATIONAL | HX620 | 4 | May 1, 2025 |
| 5KJJBWDV6SLVT8830 | Power unit | 2025 | WESTERN ST | — | 3 | Jul 15, 2026 |
| 5MADA3427TC086950 | Trailer | 2026 | MACK TRAIL | — | 3 | Jul 15, 2026 |
| 5MADA3422TC086953 | Trailer | 2026 | MACK TRAIL | — | 3 | May 6, 2026 |
| 1NKZXPEX0MJ458783 | Truck | 2021 | KENWORTH | T880 | 3 | Apr 6, 2026 |
| 3HTPCTZT5NN303040 | Truck | 2022 | INTERNATIONAL | HX620 | 3 | Mar 18, 2026 |
| 3HTPCTZT7NN303038 | Truck | 2022 | INTERNATIONAL | HX620 | 3 | Jul 1, 2025 |
| 1XK1P4TX1PJ244989 | Truck-Tractor | 1993 | KENWORTH | K100 | 3 | Apr 21, 2025 |
| 3HTDTAPT4LN864921 | Truck | 2020 | INTERNATIONAL | HX620 | 3 | Mar 20, 2025 |
| 5MATA4223NX062760 | Trailer | 2022 | AL-MAC PRO | — | 2 | Jul 7, 2026 |
| 3WKZD49XXPF275570 | Power unit | 2023 | KENWORTH | — | 2 | Jul 7, 2026 |
| 1M1AN4GY5KM007899 | Truck-Tractor | 2019 | MACK | Anthem | 2 | Jul 2, 2026 |
| 5KJJBWDV2TLWP8388 | Power unit | 2026 | WESTERN ST | — | 2 | Jun 19, 2026 |
| 5MATA4222NX062765 | Trailer | 2022 | MACK TRAIL | — | 2 | Jun 19, 2026 |
| 5MATA422XKA045338 | Trailer | 2019 | MACK TRAIL | — | 2 | Jun 17, 2026 |
| 5MATA422XSX077574 | Trailer | 2025 | MACK TRAIL | — | 2 | Jun 17, 2026 |
| 5KJJBWDV9TLWP8386 | Power unit | 2026 | WESTERN ST | — | 2 | Jun 17, 2026 |
| 5KJJBWDV4TLWP8389 | Power unit | 2026 | WESTERN ST | — | 2 | Jun 17, 2026 |
| 1M1AN4GY9LM017448 | Truck-Tractor | 2020 | MACK | Anthem | 2 | Jun 11, 2026 |
| 5KJJBWDV6TLWP8393 | Power unit | 2026 | WESTERN ST | — | 2 | May 6, 2026 |
| 5KJJBWDV8SLVT8831 | Power unit | 2025 | WESTERN ST | — | 2 | Mar 31, 2026 |
| 3WKZD49X3PF275569 | Power unit | 2023 | KENWORTH M | — | 2 | Oct 2, 2025 |
| 5HTSN422X47T10066 | Trailer | 2004 | HEIL CO., | — | 2 | Oct 2, 2025 |
| 3HTDTAPT1LN864925 | Truck | 2020 | INTERNATIONAL | HX620 | 2 | May 23, 2025 |
| 3HTDTAPT8LN864923 | Power unit | 2020 | INTERNATIO | — | 2 | Apr 25, 2025 |
| 13NE5040223512017 | Trailer | 2002 | FONTAINE TRAILER C | Fontaine Trailer Co. | 2 | Apr 21, 2025 |
| 5MADA3422MC059737 | Trailer | 2021 | MACDONALD | — | 1 | Jul 16, 2026 |
| 3HSPCTZR3NN303045 | Power unit | 2022 | INTERNATIO | — | 1 | Jul 16, 2026 |
| 5HTSN4121V7T04949 | Trailer | 1997 | HEIL CO., | — | 1 | Jul 2, 2026 |
| 4U181AHX3W1X35693 | Trailer | 1998 | UNKNOWN | — | 1 | Jun 26, 2026 |
| 1NKZXPEX9MJ458782 | Power unit | 2021 | KENWORTH M | — | 1 | Jun 19, 2026 |
| 10TAFLGF8JS787120 | Truck | 2018 | OSHKOSH | Concrete | 1 | Jun 11, 2026 |
| 5MATA4229LA049754 | Trailer | 2020 | UNPUBLISHE | — | 1 | Jun 11, 2026 |
| 5MADA3420TC086952 | Trailer | 2026 | UNPUBLISHE | — | 1 | Apr 9, 2026 |
| 5KJJBWDV4TLWP8392 | Power unit | 2026 | WESTERN ST | — | 1 | Apr 9, 2026 |
| 5KJJBWDV2TLWP8391 | Power unit | 2026 | WESTERN ST | — | 1 | Feb 26, 2026 |
| 5MADA3429TC086951 | Trailer | 2026 | MACK TRAIL | — | 1 | Feb 26, 2026 |
| 1A9AD322XSP432120 | Trailer | 2025 | RHODES | — | 1 | Sep 19, 2025 |
| 1A9SD3221SP432124 | Trailer | 2025 | UNPUBLISHE | — | 1 | Aug 1, 2025 |
| 1NKZXPEX7MJ458781 | Power unit | 2021 | KENWORTH | — | 1 | Jun 20, 2025 |
| 5DG8AD5T3K0015488 | Truck | 2019 | TEREX ADVANCE MIXE | Terex Advance Mixer | 1 | May 27, 2025 |
| 558MGAM20GK001840 | Trailer | 2016 | MAC | — | 1 | Feb 20, 2025 |
| 3HTDTAPT6LN864922 | Truck | 2020 | INTERNATIONAL | HX620 | 1 | Jan 10, 2025 |
| 1M1AN4GY5LM017446 | Power unit | 2020 | MACK | — | 1 | Nov 27, 2024 |
| 5MATA4220JA043483 | Trailer | 2018 | UNKNOWN | — | 1 | Nov 27, 2024 |
| 5DG8AD5T2K0015725 | Power unit | 2019 | TERX | — | 1 | Aug 13, 2024 |
Showing 57 · most-inspected first.