Peterbilt Tri Axle Flat Top Sleeper Semi Trucks For Sale

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2022 Peterbilt 389 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Cummins 565HP, 13 Speed Manual

Price Drop $128,900 USD

401549 Miles, 10132 Hours, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 13 Speed Manual Transmission, Drive: 8x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Tires: Virgin brand...

Condition	Used
Usage	10,132 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	3.25 ratio
Stock Number	3892
MLS Number	14059467
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(855) 605-___ SHOW
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1994 Peterbilt 378 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 450HP, 18 Speed Manual

$57,500 USD

1994 Peterbilt 378, PRE-EMISSION, New Crate Motor Detroit 60 Series engine installed 170,000 miles ago w/paperwork, 450 HP, Reman 18 Speed Manual Transmission installed 170,000 miles ago...

Condition	Used
Usage	1,000,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit SERIES 60 12.7 DDEC III
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	52,500 lb 3.90 ratio
Stock Number	BTS3930
MLS Number	14049336
Category	Sleeper Semi Trucks
Last Updated	12/18/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(855) 605-___ SHOW
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2015 Peterbilt 367 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 485HP, 10 Speed Autoshift Amt

$64,500 USD

Very clean and tight 367 Peterbilt. Recent engine overhaul on ISX Cummins, 10 spd auto shift trans. Steerable lift axle, Ali Arc front bumper. Runs and drives great. Transmission shifts...

Condition	Used
Usage	717,014 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins ISX
Drivetrain	8x4
Transmission	10 Speed Autoshift Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	52,000 lb
Stock Number	CON6370
MLS Number	14045877
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(888) 227-___ SHOW
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2025 Peterbilt 589 Tri Axle Sleeper Semi Truck - 44" Flat Top Sleeper, 565HP

Contact for price

44" Sleeper Tri-Drive, EngineType: X15, EngineMake: Cummins, PowerType: Diesel, Weight: 77,000,

Condition	New
Usage	17 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Rear Axle	Tri Axle
Rear End	66,000 lb 4.10 ratio
Stock Number	16850
MLS Number	13918399
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Clairmont, AB, Canada
Sold By	Brandt

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2019 Peterbilt 389 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Paccar 510HP, 18 Speed Manual

Newly Listed

$70,000 USD

700000 Miles, Engine: PACCAR MX-13, 510 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 8x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Tri Rear Axles

Condition	Used
Usage	700,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Stock Number	610741
MLS Number	14094779
Category	Sleeper Semi Trucks
Last Updated	1/17/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales