Detroit DT12-OA Transmissions For Sale

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2020 Used Detroit Diesel DT12-OA Transmission

Newly Listed

$5,000 USD

Used DT12-OA Transmission, Engine Model: DD15

Condition	Used
Engine Model	DD15
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2020
Stock Number	701-14255
MLS Number	14579542
Category	Transmissions
Last Updated	9/2/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2018 Detroit DT12-OA Transmission for a Freightliner Cascadia 125

Recently Updated

$1,625 USD

Core - Detroit DT12-OA Transmission, S/N-716330E0013935, p/n C07-00052-003, Both shafts turn, case looks good, no metal in drain plug.

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	28347
MLS Number	14269350
Category	Transmissions
Last Updated	9/1/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(855) 370-___ SHOW
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2016 Detroit DT12-OA Transmission for a Freightliner Cascadia

Recently Updated

$5,185 USD

(USED) Detroit DT12-OA Assembly#: 71538401676043 Input Lgth: Automatic Input Dia: AUTOMATIC Pilot Dia: AUTOMATIC

Condition	Used
Assembly Number	71538401676043
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25756229
MLS Number	13422736
Category	Transmissions
Last Updated	9/3/2026
Location	Kansas City, MO, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
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2018 Detroit DT12-OA Transmission for a Freightliner Cascadia

Recently Updated

$5,185 USD

(USED) Detroit DT12-OA Assembly#: 176330E0013574

Condition	Used
Assembly Number	176330E0013574
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25735244
MLS Number	13397338
Category	Transmissions
Last Updated	8/30/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(833) 359-___ SHOW
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Detroit DT12-OA Transmission

Recently Updated

$6,500 USD

USED DT12-OA FREIGHTLINER 12 SPEED OVERDRIVE TRANSMISSION, DTNA# C07-00052-090 *****NO ECM, NO CLUTCH ACTUATOR******

Condition	Used
Stock Number	87330
MLS Number	12833348
Category	Transmissions
Last Updated	8/29/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

(833) 359-___ SHOW
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Detroit DT12-OA Transmission

Recently Updated

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HAS BROKE CASE USED DT12-OA FREIGHTLINER 12 SPEED OVERDRIVE AUTOSHIFT TRANSMISSION DTNA# C07-00052-054

Condition	Used
Stock Number	87331
MLS Number	12833349
Category	Transmissions
Last Updated	8/29/2026
Location	Crandall, TX, US
Sold By	Tim Jordan's Truck Parts Inc.

2020 Detroit DT12-OA Transmission for a Freightliner Cascadia 126

Contact for price

Detroit DT12-OA Transmission, S/N- 71538462475294, 886,464 ODO Miles

Condition	Used
Usage	886,464 Miles
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	4582-2
MLS Number	14549881
Category	Transmissions
Last Updated	8/26/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(844) 596-___ SHOW
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Detroit DT12-OA Transmission

$7,895 USD

DETROIT OEM DEALER REMANUFACTURED TRANSMISSION ISHIFT TRANS ASSEMBLY EXCHANGE WITH ONE YEAR OEM DEALER WARRANTY, PLUS $4100.00 REFUNDABLE CORE DEPOSIT. PRICE INCLUDES FREIGHT BOTH WAYS...

Condition	Remanufactured
Stock Number	30754
MLS Number	13353237
Category	Transmissions
Last Updated	9/2/2026
Location	Chicago, IL, US
Sold By	Diesel Sales

(844) 402-___ SHOW
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Detroit DT12-OA Transmission Core

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(Core) 2017 Detroit (AT), TRANSMISSION ASSEMBLY- Model: DT12-OA, Serial Number: 715384G1909414, Part Number: C07-00052-090, Engine: Detroit DD15, For more information about this item, give...

Condition	Used
Engine Model	Detroit DD15
Part Number	C07-00052-090
Stock Number	P-92278
MLS Number	13231343
Category	Transmission Cores
Last Updated	8/26/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2020 Detroit DT12-OA Transmission for a Freightliner CASCADIA

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Detroit DT12-OA Transmission, S/N- 715384G2221596, 713,087 ODO Miles, 19,122.30 ODO Hours

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA
Stock Number	4585-2
MLS Number	14560269
Category	Transmissions
Last Updated	8/26/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2021 Detroit DT12-OA Transmission for a Freightliner CASCADIA

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Detroit DT12-OA, S/N- 71538401670670, 577,989 ODO Miles

Condition	Used
Usage	577,989 Miles
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CASCADIA
Stock Number	4580-2
MLS Number	14549806
Category	Transmissions
Last Updated	8/25/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2017 Detroit DT12-OA Transmission for a Freightliner Cascadia 125

$3,250 USD

Detroit DT12-OA Transmission, S/N- 716330E0007739

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	4482-2
MLS Number	14375317
Category	Transmissions
Last Updated	8/18/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2022 Detroit DT12-OA Transmission for a Western Star

$6,500 USD

DT12-OA GEN 2 Series 469,944 miles

Condition	Used
Usage	469,944 Miles
Fits To Make(s)	WESTERN STAR
Stock Number	HOL 162695
MLS Number	14541750
Category	Transmissions
Last Updated	8/13/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(844) 604-___ SHOW
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Detroit DT12-OA Transmission Core for a 2015 Freightliner Cascadia 132

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Good used Detroit DT12-OA Transmission core from a 2015 Freightliner Cascadia 132 truck. The transmission core has been visually inspected and is in good condition. The transmission core has...

Condition	Used
Engine Model	Detroit DD13
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 132
Will Fit Year(s)	2015
Part Number	250242-9
Stock Number	250424-9
MLS Number	14534571
Category	Transmission Cores
Last Updated	8/11/2026
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

(844) 402-___ SHOW
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Detroit DT12-OA Transmission for a 2022 Freightliner Cascadia 126

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(Used) 2021 Detroit (AT), TRANSMISSION ASSEMBLY- Model: DT12-OA, Serial Number: 715384G2520766, Part Number: C07-00052-167, Engine: Detroit DD15, For more information about this item, give...

Condition	Used
Engine Model	Detroit DD15
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2022
Part Number	C07-00052-167
Stock Number	P-510861
MLS Number	14531881
Category	Transmissions
Last Updated	8/8/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

2019 Detroit DT12-OA Transmission for a Freightliner Cascadia 126

$4,000 USD

Detroit DT12-OA Transmission, S/N- 716330E0061647, 996,370 ODO Miles.

Condition	Used
Usage	996,370 Miles
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 126
Stock Number	4490-2
MLS Number	14397827
Category	Transmissions
Last Updated	8/6/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

(833) 835-___ SHOW
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Detroit DT12-OA Transmission for a 2021 Freightliner Cascadia 126

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Detroit DT12-OA Transmission For Sale S/N: 716330E0047177, C07-00052-090, 12-Speed Over Drive ,Used. Call, email, or text. We ship everywhere., Serial#: 716330E0047177, Engine Make: Detroit,...

Condition	Used
Engine Model	Detroit DD15
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 126
Will Fit Year(s)	2021
Stock Number	FR-0924-7
MLS Number	14520872
Category	Transmissions
Last Updated	8/4/2026
Location	York, ON, Canada
Sold By	Lomoca Inc.

Detroit DT12-OA Transmission

$1,500 USD

DT12-OA - Core

Condition	Used
Stock Number	35751
MLS Number	14482721
Category	Transmissions
Last Updated	7/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

2017 Detroit DT12-OA Transmission for a Freightliner Cascadia 125

$3,250 USD

Detroit DT12-OA Transmission, S/N-71538401762951

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	Cascadia 125
Stock Number	4509-2
MLS Number	14448019
Category	Transmissions
Last Updated	7/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DT12-OA Transmission

$1,500 USD

Core - DT12-1650-OH1HD - s/n 71538462139839, p/n C07-00052-090, both shafts turn.

Condition	Used
Stock Number	32581
MLS Number	14358983
Category	Transmissions
Last Updated	7/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DT12-OA Transmission

$1,500 USD

DT12-OA - Core - Front Shaft Doesnt Turn, Missing TCMr. P/N C07-00052-054, S/N# 716330E0004101, CORE UNIT SOLD AS IS.

Condition	Used
Part Number	C07-00052-054
Stock Number	27237
MLS Number	13972149
Category	Transmissions
Last Updated	7/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment

Detroit DT12-OA Transmission

$1,500 USD

DT12-OA - Core - Both Shafts Turn, Missing Transmission Positioner/OHNE ECU, P/N C07-00052-090, A9602607202, S/N 715334G2031216. CORE UNIT SOLD AS-IS.

Condition	Used
Part Number	C07-00052-010
Stock Number	26993
MLS Number	13965729
Category	Transmissions
Last Updated	7/28/2026
Location	Fresno, CA, US
Sold By	Garabedian Equipment