Used Auxiliary Power Units (APU) For Sale by Dealerships

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2009 Carrier Comfort Pro Auxiliary Power Unit (APU) for a Volvo VNL

$2,500 USD

Condition	Used
Fits To Make(s)	VOLVO
Fits To Model(s)	VNL
Stock Number	20531
MLS Number	10533954
Category	Auxiliary Power Units (APU)
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

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1998 Freightliner Century Class Auxiliary Power Unit (APU) for a Freightliner CENTURY

$3,000 USD

PONY PACK APU

Condition	Used
Fits To Make(s)	FREIGHTLINER
Fits To Model(s)	CENTURY
Stock Number	15511
MLS Number	10533237
Category	Auxiliary Power Units (APU)
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Dynosys Apu. 2557 Hours

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Dynosys APU. 2557 Hours., Engine Make: Other

Condition	Used
Stock Number	246
MLS Number	9845376
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 5225 Hours

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Dynosys APU. 5225 Hours., Engine Make: Other

Condition	Used
Stock Number	245
MLS Number	9845375
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 6505 Hours

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Dynosys APU. 6505 Hours., Engine Make: Other

Condition	Used
Stock Number	243
MLS Number	9845374
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 5472 Hours

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Dynosys APU. 5472 Hours., Engine Make: Other

Condition	Used
Stock Number	241
MLS Number	9845373
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 3413 Hours

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Dynosys APU. 3413 Hours., Engine Make: Other

Condition	Used
Stock Number	238
MLS Number	9845372
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 2509 Hours

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Dynosys APU. 2509 Hours., Engine Make: Other

Condition	Used
Stock Number	231
MLS Number	9845365
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 2230 Hours

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Dynosys APU. 2230 Hours., Engine Make: Other

Condition	Used
Stock Number	230
MLS Number	9845364
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 2454 Hours. New Generator (One Month Old). Condensor And Bracket

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Dynosys APU. 2454 Hours. New Generator (one month old). Condensor and bracket in the back are smashed., Engine Make: Other, Engine Model: Other

Condition	Used
Stock Number	228
MLS Number	9845363
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys. 5,966 Hours. Hvac Unit Is BrAnd New. New A/C Hose And Fuel Filter

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Dynosys. 5,966 Hours. HVAC unit is brand new. New A/C Hose and Fuel Filter, Engine Make: Other, Engine Model: Other

Condition	Used
Stock Number	227
MLS Number	9845362
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

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Thermo King Tri Pac Auxiliary Power Unit (APU)

$1,500 USD

JUST THE MOTOR NO OTHER PARTS

Condition	Used
Stock Number	19882
MLS Number	10533850
Category	Auxiliary Power Units (APU)
Last Updated	12/15/2025
Location	Douglas, GA, US
Sold By	American Truck Parts, Inc.

Dynosys Apu. 2371 Hours. A/C Refrigerant Discharged

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Dynosys APU. 2371 Hours. A/C Refrigerant discharged., Engine Make: Other

Condition	Used
Stock Number	247
MLS Number	9845377
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 2067 Hours. Leak In Coolant Hose Near Radiator Cap

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Dynosys APU. 2067 Hours. Leak in coolant hose near radiator cap., Engine Make: Other

Condition	Used
Stock Number	237
MLS Number	9845371
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 4148 Hours. Condenser Fan Not Working. Still Runs. ***Ecu Removed

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Dynosys APU. 4148 Hours. Condenser fan not working. Still Runs. ***ECU REMOVED (P/N : E0511-E-P7-00087)***, Engine Make: Other

Condition	Used
Stock Number	236
MLS Number	9845370
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 3801 Hours. New Belts, Radiator, And Radiator Fan. Missing 2

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Dynosys APU. 3801 Hours. New belts, radiator, and radiator fan. Missing 2 duets hoses, Engine Make: Other

Condition	Used
Stock Number	235
MLS Number	9845369
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 6736 Hours. New Lower Fan, Belt Tensioner, And Generator

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Dynosys APU. 6736 Hours. New lower fan, belt tensioner, and generator., Engine Make: Other

Condition	Used
Stock Number	233
MLS Number	9845367
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

Dynosys Apu. 3247 Hours. Possible Leak

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Dynosys APU. 3247 Hours. Possible Leak, Engine Make: Other

Condition	Used
Stock Number	232
MLS Number	9845366
Category	Auxiliary Power Units (APU)
Last Updated	3/14/2021
Location	Farr West, UT, US
Sold By	Rocky Mountain Truck Parts

2014 Thermo King TRIPAC Auxiliary Power Unit (APU) for a Freightliner Cascadia

Price Drop $1,500 USD

(USED) Thermo King TRIPAC Make: THERMO KING Model: TRIPAC Hours: - Serial#: 3000181169 ENGINE ONLY AS IS, DID NOT RUN, CASE RUSTED

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25911437
MLS Number	14048750
Category	Auxiliary Power Units (APU)
Last Updated	1/22/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2019 Thermo King TRIPAC Auxiliary Power Unit (APU) for a Peterbilt 579

Price Drop $1,500 USD

(USED) Thermo King TRIPAC Make: THERMO KING Model: TRIPAC Hours: . Serial#: HTG1169718 AS-IS, DID NOT RUN

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25919507
MLS Number	14068728
Category	Auxiliary Power Units (APU)
Last Updated	1/18/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2018 Thermo King TRIPAC Auxiliary Power Unit (APU) for a Peterbilt 579

$2,196 USD

(USED) Thermo King TRIPAC Make: THERMO KING Model: TRIPAC EVOLUTION Hours: 15348 Serial#: HTG1086941

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	579
Stock Number	25800188
MLS Number	13815208
Category	Auxiliary Power Units (APU)
Last Updated	1/22/2026
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

2011 Thermo King TRIPAC Auxiliary Power Unit (APU) for a Freightliner Cascadia

$1,950 USD

(USED) Thermo King TRIPAC Make: THERMO-KING Model: TRI-PAC EVOLUTION Hours: UNKNOWN Serial#: VERIFY RAN OKAY WITH ETHER, SOUNDS LIKE IT MAY HAVE A FUEL DELIVERY PROBLEM, LEAKING COOLANT...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25877708
MLS Number	13878845
Category	Auxiliary Power Units (APU)
Last Updated	1/15/2026
Location	Spencer, IA, US
Sold By	Vander Haag's Inc.

2018 Thermo King TRIPAC Auxiliary Power Unit (APU) for a Freightliner Cascadia

$2,196 USD

(USED) Thermo King TRIPAC Make: THERMO KING Model: TRIPAC EVOLUTION Hours: 14179 Serial#: HTG1101156

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25845234
MLS Number	13765328
Category	Auxiliary Power Units (APU)
Last Updated	1/12/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

2016 Thermo King TRIPAC Auxiliary Power Unit (APU) for a Freightliner Cascadia

$4,770 USD

(USED) Thermo King TRIPAC Make: TRIPAC Model: TRIPAC EVOLUTION Hours: 2029 Serial#: HTG1014863

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	CASCADIA
Stock Number	25877386
MLS Number	13878891
Category	Auxiliary Power Units (APU)
Last Updated	1/9/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.