Chad Chaffin NASCAR Truck Series results at Texas
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points | 
| 2000 | 23 | 14 | 33 | 61 | eLink/MobileMAX2 | Chevrolet |  |  | 175.787 | 1 | 0 | 0 | accident | 6590 | 64 | 
| 2003 | 7 | 10 | 8 | 18 | Dickies | Dodge | Hamilton |  |  | 167 | 0 | 0 | running | 13900 | 142 | 
| 2003 | 22 | 9 | 15 | 18 | Dickies | Dodge | Hamilton |  | 179.265 | 144 | 0 | 0 | running | 10910 | 118 | 
| 2004 | 7 | 8 | 5 | 18 | Dickies | Dodge | Hamilton |  | 180.066 | 167 | 0 | 0 | running | 16700 | 155 | 
| 2004 | 21 | 12 | 16 | 18 | Dickies | Dodge | Hamilton |  | 180.977 | 146 | 0 | 0 | running | 10560 | 115 | 
| 2005 | 9 | 6 | 23 | 30 | Edy's Ice Cream | Toyota |  |  | 181.592 | 163 | 0 | 0 | running | 11315 | 94 | 
| 2006 | 23 | 24 | 19 | 59 | Harris Trucking Company | Toyota | Jim Harris |  | 181.586 | 147 | 0 | 0 | running | 10815 | 106 | 
| 2007 | 23 | 26 | 24 | 40 | Westerman Companies | Chevrolet |  |  | 180.614 | 144 | 0 | 0 | running | 8500 | 91 | 
| 2008 | 9 | 29 | 25 | 40 | Key Motorsports | Chevrolet |  |  | 172.254 | 165 | 0 | 0 | running | 11035 | 88 |