View 0 Photos View 0 Videos 2007 Allison 2100 RDS Transmission for a Sterling Acterra $1,512 USD (USED) Allison 2100 RDS Assembly#: 6310737821 Input Lgth: AUTOMATIC Input Dia: AUTOMATIC Pilot Dia: AUTOMATIC Ref# 6310737821 ConditionUsedAssembly Number6310737821Fits To Make(s)SterlingFits To Model(s)ACTERRAPart Number6310737821Stock Number26054091 MLS Number14558457CategoryTransmissions Last Updated9/4/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info