View 13 Photos View 0 Videos Allison Transmission for a 2001 Freightliner MT55 Chassis $599.99 USD (Used) 2000 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000, Serial Number: 6310032215, Part Number: E004506, Engine: Cummins ISB, Reference images for condition, For more information about... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT55 ChassisWill Fit Year(s)2001Part NumberE004506Stock NumberP-80334 MLS Number12875344CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2020 Freightliner MT45 $599.99 USD (Used) 2019 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000HS, Serial Number: 6311735006, Part Number: E026243 Engine: GM/Chev(HD) 6.0L, Reference images for condition, For more information... ConditionUsedEngine ModelOtherFits To Make(s)FreightlinerFits To Model(s)MT45Will Fit Year(s)2020Part NumberE026233Stock NumberP-82740 MLS Number12945001CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2022 Freightliner MT45 $599.99 USD (Used) 2021 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000HS, Serial Number: 6311966091, Engine: GM/Chev(HD) 6.0L, Reference images for condition, For more information about this item,... ConditionUsedEngine ModelOtherFits To Make(s)FreightlinerFits To Model(s)MT45Will Fit Year(s)2022Stock NumberP-80598 MLS Number12879469CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2019 Freightliner MT45 $599.99 USD (Used) 2018 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000HS, Serial Number: 6311636907, Engine: GM/Chev (HD) 6.0L, Reference images for condition. For more information about this item,... ConditionUsedEngine Model6.0LFits To Make(s)FreightlinerFits To Model(s)MT45Will Fit Year(s)2019Stock NumberP-97929 MLS Number13440572CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison, TRANSMISSION ASSEMBLY- Model: 1000HS, Part Number: E009990, Engine: Mercedes OM904LA, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY... ConditionUsedEngine ModelMercedes OM904LAFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-28144 MLS Number11202573CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Chevrolet C4500 $599.99 USD (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000HS, Serial Number: 6310541737, Par Number: E011065, Engine: GM/Chev (HD) 6.6L DURAMAX, For more information about this item, give... ConditionUsedFits To Make(s)ChevroletFits To Model(s)C4500Will Fit Year(s)2006Part NumberE011065Stock NumberP-39354 MLS Number11864845CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison, (AT) TRANSMISSION ASSEMBLY- (Jasper Remanufactured,) Model: 1000HS, Serial Number: 1202342, Part Number: E009990J, Engine: Cummins ISB Reference images for condition.... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990JStock NumberP-48518 MLS Number12074156CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT) (Reman Weller), TRANSMISSION ASSEMBLY- Model: 1000HS, Part Number: E009990, Tag Number: 975203, Engine: Cummins ISB, Reference images for condition. For more... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-49532 MLS Number12094586CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), (Reman Weller), TRANSMISSION ASSEMBLY- Model: 1000HS Serial Number: 1159017 Part Number: E009990 Engine: Cummins ISB Reference images for condition For more... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-56167 MLS Number12243751CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 14 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison, (AT), (Reman Weller), TRANSMISSION ASSEMBLY- Model: 1000HS Tag Number: 1368038 Part Number: E009990 Engine: Cummins ISB Reference images for condition. For more... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-56271 MLS Number12247527CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT) (Reman WELLER), TRANSMISSION ASSEMBLY- Model: 1000HS, Tag Number: 1029273, Part Number: E009990, Engine: Cummins ISB, Reference images for condition. For more... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-59865 MLS Number12320782CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000HS Serial Number: 1091685 Part Number: E009990 Engine: Cummins ISB 5.9 For more information about this item, give us a call. We... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-61317 MLS Number12364611CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT) TRANSMISSION ASSEMBLY- Model: 1000HS, Serial Number: 6310622438, Engine: Cummins ISB, Oil pan is smash Reference images for condition. For more information about... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Stock NumberP-61414 MLS Number12369097CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT) (Reman WELLER), TRANSMISSION ASSEMBLY- Model: 1000HS, Tag Number: 1105481, Part Number: E009990, Engine: Cummins ISB, Reference images for condition. For more... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-61596 MLS Number12369276CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000HS, Serial number: 961950, Part Number: E009990, Engine: Cummins ISB, Reference images for condition For more information about... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-61771 MLS Number12378564CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), REMANUFACTURED (WELLER), TRANSMISSION ASSEMBLY- Model: 1000HS, Serial Number: 1150782, Part Number: E009990, Engine: Cummins ISB, Reference images for condition.... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-64666 MLS Number12441980CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), REMANUFACTURED (WELLER), TRANSMISSION ASSEMBLY- Model: 1000HS, Serial Number: 1162398, Part Number: E009990, Engine: Cummins ISB, For more information about this... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-66583 MLS Number12494983CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000HS, Engine: Cummins ISB, Reference images for condition. For more information about this item, give us a call. We ship... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Stock NumberP-66609 MLS Number12495007CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY- REMANUFACTURED (WELLER)- Model: 1000HS, Serial Number: 1344731, Part Number: E009990, Engine: Cummins ISB, For more information about this... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-73394 MLS Number12657438CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 14 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY- Remanufactured Weller, Model: 1000HS, Serial Number: 1313449, Part Number: E009990, Engine: Cummins ISB, Housing is broken, see Pictures,... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-73487 MLS Number12657531CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT) (Reman WELLER), TRANSMISSION ASSEMBLY- Model: 1000HS, Part Number: E009990, Serial Number: 1213935, Engine: Cummins ISB, Minor Damage!! Reference images for... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-75908 MLS Number12727581CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT) (Reman Atlanta), TRANSMISSION ASSEMBLY- Model: 1000HS, Serial Number: 6310431140, Part Number: 29544726, Engine: Cummins ISB, Reference images for condition. ... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part Number29544726Stock NumberP-76306 MLS Number12742093CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY, Model: 1000HS, Serial Number: 008549, Part Number: E009900, Engine: Cummins ISB, Reference images for condition For more information about... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009900Stock NumberP-80009 MLS Number12862000CategoryTransmissions Last Updated6/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY- Remanufactured, Model: 1000HS, Serial Number: 1048220, Part Number: E009990, Bent oil pan, Reference images for condition For more... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-80207 MLS Number12866382CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos Allison 1000 HS Transmission for a 2006 Freightliner MT45 Chassis $599.99 USD (Used) 2005 Allison (AT), TRANSMISSION ASSEMBLY- REMANUFACTURED (WELLER)- Model: 1000HS, Serial Number: 1105291, Part Number: E009990, Engine: Cummins ISB, Reference image for condition, For... ConditionUsedEngine ModelCummins ISBFits To Make(s)FreightlinerFits To Model(s)MT45 ChassisWill Fit Year(s)2006Part NumberE009990Stock NumberP-80355 MLS Number12875365CategoryTransmissions Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info