Tri Axle Sleeper Semi Trucks with 3.50-3.99 Ratio For Sale

(855) 807-___ SHOW
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2021 Freightliner Coronado 122 SD Tri Axle Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

$114,500 USD

FLEET MAINTAINED, 2021 FREIGHT CORANADO SD122 HEAVY HAUL, DETROIT DD16, 600HP,18 SPEED TRANSMISSION, 3.90 RATIO, DOUBLE FRAMED, FULL FENDERS, SLIDIDNG FIFTH WHEEL, GREAT TIRES, ALUMINUM RIMS...

Condition	Used
Usage	347,717 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	66,000 lb 3.90 ratio
Stock Number	7199
MLS Number	14147925
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 605-___ SHOW
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2008 Peterbilt 386 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Caterpillar 500HP, 13 Speed Manual

$61,500 USD

2008 Pete 386 with Cat C15 Deleted, Cat reman less the 100k miles ago. 13 spd manual trans, 3.90 rear ends and a steerable lift axle. New Drive tires,

Condition	Used
Usage	30,156 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Caterpillar C15
Drivetrain	8x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	52,000 lb 3.90 ratio
Stock Number	BTS2298
MLS Number	14120079
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(844) 748-___ SHOW
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2014 Kenworth W900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Cummins 600HP, 18 Speed Manual

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COMING IN LATER THIS MONTH, 2014 KENWORTH W900 WITH CUMMINS ISX15 600HP (DELETED) AND 18 SPEED TRANS 35,000 MILES ON A PLATINUM REBUILD. 389,255 ON THE ODOMETER. TRIAXLE TRAIN HORN ALL LED...

Condition	Used
Usage	389,255 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	23,000 lb 3.73 ratio
Stock Number	386681
MLS Number	14127399
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Beverly, WV, US
Sold By	TFS Recovery, Inc.

(888) 853-___ SHOW
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2017 Kenworth T880 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Paccar 500HP, 18 Speed Manual

$49,900 USD

Paccar MX13 500 HP, 18 speed RTLO18918B Transmission, 3.55 rear ratio, full locking rears, air slide 5th wheel, steerable pusher axle, 11R22.5 tires on aluminum wheels, dual exhaust,...

Condition	Used
Usage	874,908 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	3.55 ratio
Stock Number	5554
MLS Number	14099909
Category	Sleeper Semi Trucks
Last Updated	2/3/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

(888) 227-___ SHOW
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2025 Peterbilt 567 Sleeper Semi Truck - 500HP

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TANDEM AXLES WITH SPEED INTERLOCK, TAPER LEAF SPRINGS, SHOCKS 20,000 LBS EngineType: X15, EngineMake: Cummins, PowerType: Diesel, Weight: 75,000, Cab: Heavy Daycab Tractor, SleeperSize:...

Condition	New
Usage	4 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Rear Axle	Tri Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	SD684930
MLS Number	13135458
Category	Sleeper Semi Trucks
Last Updated	1/31/2026
Location	London, ON, Canada
Sold By	Brandt

(855) 489-___ SHOW
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2019 Kenworth T880 Sleeper Semi Truck - 42" Raised Roof Sleeper, Cummins 500HP, 13 Speed Manual

$69,000 USD

Includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), Cummins X15-500hp, 13 speed Manual Transmission, 42" Raised Roof Sleeper, Diesel APU, 46,000#...

Condition	Used
Usage	584,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	42"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	66,000 lb 3.73 ratio
Stock Number	2181
MLS Number	13961267
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(833) 538-___ SHOW
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2022 Peterbilt 579 Tri Axle Sleeper Semi Truck - 72" Mid Roof Sleeper, Paccar 510HP, 13 Speed Manual

$48,900 USD

500000 Miles, Engine: PACCAR MX-13, 510 HP, Fuel Type: Diesel, 13 Speed Manual Transmission, Drive: 8x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72, Wheels: All...

Condition	Used
Usage	500,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	3.55 ratio
Stock Number	3880
MLS Number	14082797
Category	Sleeper Semi Trucks
Last Updated	1/31/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(833) 796-___ SHOW
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2016 Kenworth W900L Tri Axle Sleeper Semi Truck - Raised Roof Sleeper, Caterpillar 550HP, 18 Speed Manual

$119,900 USD

One owner Glider kit. All build paperwork on hand. 727,508 original miles, CAT C-15, 6NZ 550 rating on tag, last engine overhaul at Western States CAT 6-30-2022 @ 434,121 miles. 293,387 on...

Condition	Used
Usage	727,508 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Caterpillar C15
Emission Rating	USA Tier 3
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Hendrickson HMX460
Rear Axle	Tri Axle
Rear End	66,000 lb 3.73 ratio
Stock Number	111583
MLS Number	14018948
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Spokane Valley, WA, US
Sold By	Class 8 Trucks

(866) 695-___ SHOW
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2015 Mack Pinnacle CHU613 Tri Axle Sleeper Semi Truck - 505HP

$42,500 USD

604247 Miles, Engine: MACK, 505 HP, Fuel Type: Diesel, Air Ride Suspension, Wheel Base: 280, Tri Rear Axles, Rear Axle Weight: 40000 lb

Condition	Used
Usage	604,247 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Transmission	18 Speed
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	MCOPT2013019211
MLS Number	13619927
Category	Sleeper Semi Trucks
Last Updated	1/23/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(855) 489-___ SHOW
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2020 International LT Tri Axle Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 605HP, 18 Speed Manual

$85,000 USD

155,000 miles on Brad New 605 hp Cummins Engine, Price includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 18 Speed Manual (RTLO20918B), Tri Axle...

Condition	Used
Usage	352,473 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	2025
MLS Number	13425421
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 980-___ SHOW
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2018 Kenworth T880 Tri Axle Sleeper Semi Truck - Raised Roof Sleeper, Paccar 510HP, 13 Speed Manual

$48,500 USD

2018 KENWORTH T880 SLEEPERS TRUCK, PACCAR MX-13 FACTORY LONG BLOCK 300,000 AGO, RTLO18913A TRANSMISSION, DSP40 3.55 FULL LOCKERS, LIFT AXLE,,

Condition	Used
Usage	649,327 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	8 Bag Air Ride
Rear Axle	Tri Axle
Rear End	3.55 ratio
Stock Number	216173-KWC
MLS Number	13655200
Category	Sleeper Semi Trucks
Last Updated	12/5/2025
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts

(888) 853-___ SHOW
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2000 Peterbilt 379 Tri Axle Sleeper Semi Truck - Mid Roof Sleeper, Caterpillar 550HP, 18 Speed Manual

$79,900 USD

550 Cat with Overhaul, Eaton Fuller 18 speed, 3.55 rear end ratio, dual 140 gallon tanks, dual straight exhaust, dual breathers, stainless visor, pusher axle, good 11R24.5 tires on aluminum...

Condition	Used
Usage	1,860,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Caterpillar 3406E
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	3.55 ratio
Stock Number	1704
MLS Number	14000056
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

(844) 956-___ SHOW
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2014 Kenworth W900L Tri Axle Sleeper Semi Truck - 86" Raised Roof Sleeper, Cummins 550HP, 18 Speed Manual

$98,750 USD

360 Degree Camera System Installed New Couch Base PDI Tuner w/ PDI Intake Installed, Double Framed from Cab to End of Frame, New Espar Bunk Heater, Studio Sleeper, Omni Tracs Installed,

Condition	Used
Usage	1,136,935 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	86"
Suspension	AG 460
Rear Axle	Tri Axle
Rear End	73,000 lb 3.91 ratio
Stock Number	C5342
MLS Number	13707607
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	West Sacramento, CA, US
Sold By	DeWald Equipment