Used Heavy Duty 6x6 Trucks For Sale

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2020 Freightliner CASCASIA126 Dump Truck

$131,500 USD

2020 Freightliner Cascadia 126 Six-Axle Automatic Dump Truck.335,455 miles. Detroit DD15 diesel engine. 505 HP. 6-cyl. 14.8L.12-speed automatic transmission. New 22 ft Semi-Round Dump Bed....

Condition	Used
Usage	335,445 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	22 ft.
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x6
Transmission	Ultrashift Automatic
Suspension	Air Ride
Rear Axle	Five Axle
Rear End	40,000 lb
MLS Number	13285284
Category	Dump Trucks
Last Updated	12/14/2024
Location	Cleveland, OH, US
Sold By	Equipment Dudes LLC

18 0

2007 Freightliner M2 112 Tandem Axle Cab & Chassis Truck - Caterpillar, 430HP, 13 Speed Manual

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2007 Freightliner M2112 tandem axle truck #5142, , Vin # 1FVHC5DE57HY16392, , 6 x 6 chassis; conversion done by Marmon Herrington, , Cat C13- 430 horsepower turbo diesel engine Serial...

Condition	Used
Usage	72,611 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	430 HP
Engine Model	Caterpillar C13
Drivetrain	6x6
Transmission	13 Speed Manual
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	5142
MLS Number	13300617
Category	Cab & Chassis Trucks
Last Updated	12/25/2024
Location	Pacific, WA, US
Sold By	Puget Sound Truck Sales, Inc.

24 0

2006 International Paystar 5600 Tandem Axle Cab & Chassis Truck - Cummins, 370HP, 5 Speed Allison Rds Automatic

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2006 International 5600i 6 x 6 chassis #5254, , Vin # 1HTXGAHT76J255412, , Cummins ISM- 385; 370 horsepower turbo diesel with Jake brake, , Allison 4500_RDS_P 5 speed automatic transmission,...

Condition	Used
Usage	36,579 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	370 HP
Engine Model	Cummins ISM385V
Drivetrain	6x6
Transmission	5 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	5254
MLS Number	13300608
Category	Cab & Chassis Trucks
Last Updated	12/25/2024
Location	Pacific, WA, US
Sold By	Puget Sound Truck Sales, Inc.

19 0

2011 International WorkStar 7500 Tandem Axle 16 ft Flatbed Dump Truck - 330HP, 5 Speed Allison Rds Automatic

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2011 International 7500 6 x 6 (Six wheel drive) tandem axle truck #5227, , Vin #1HTWWAZTXBJ346469, , Maxxforce 10, 330 horsepower turbo diesel with Engine brake, , Allison 3000-RDSP 5 speed...

Condition	Used
Usage	27,986 Miles
Duty Class	Heavy Duty Flatbed Dump Truck
Bed Length	16 ft.
Horse Power	330 HP
Engine Model	International MAXXFORCE 10
Drivetrain	6x6
Transmission	5 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	5227
MLS Number	13300585
Category	Flatbed Dump Trucks
Last Updated	12/25/2024
Location	Pacific, WA, US
Sold By	Puget Sound Truck Sales, Inc.

13 0

2008 International WorkStar 7600 Tandem Axle Cab & Chassis Truck - Cummins, 370HP, 6 Speed Allison Rds Automatic

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2008 International 7600 6x6 axle truck #5101, Vin #1HTWYAHT38J045837, , Cummins ISM-385V; 370 horsepower turbo diesel, , Allison 4500-RDS; 6 speed automatic transmission, , Transmission...

Condition	Used
Usage	61,146 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	370 HP
Engine Model	Cummins ISM385V
Drivetrain	6x6
Transmission	6 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	5101
MLS Number	13300506
Category	Cab & Chassis Trucks
Last Updated	12/25/2024
Location	Pacific, WA, US
Sold By	Puget Sound Truck Sales, Inc.

9 0

2005 International Paystar 5600 Dump Truck - Cummins 370HP, 13 Speed Manual, 16' Dump

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2005 International 5600i tandem axle chassis #4855, , Vin #1HTXGAHT55J187433, , ALL WHEEL DRIVE (6 x 6), , Cummins ISM-385; 370 horsepower turbo diesel with Jake brakes, , Fuller RTLOF-14913A...

Condition	Used
Usage	7,833 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	SE Inc
Bed Length	16 ft.
Horse Power	370 HP
Drivetrain	6x6
Transmission	13 Speed Manual
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	4855
MLS Number	13300438
Category	Dump Trucks
Last Updated	12/25/2024
Location	Pacific, WA, US
Sold By	Puget Sound Truck Sales, Inc.

(833) 781-___ SHOW
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18 0

2019 Freightliner Day Cab Truck - Detroit, Automatic

$44,750 USD

Condition	Used
Usage	345,884 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x6
Transmission	Detroit DT12 Automatic
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	18983
MLS Number	12483050
Category	Day Cab Semi Trucks
Last Updated	12/19/2024
Location	Carlisle, PA, US
Sold By	Schneider

(855) 585-___ SHOW
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24 0

2022 INTERNATIONAL HV507 6X6 T/A 202 HOURS & ALTEC D3060H-TR DIGGER

$169,000 USD

ADD THIS TO YOUR FLEET BEFORE YEAR'S END TO TAKE ADVANTAGE OF THOSE SECTION 179 TAX CREDITS! JUST DRIVEN IN FROM CALIFORNIA! CALL NOW TO RESERVE! CHASSIS: YEAR: 2022 MAKE:...

Condition	Used
Usage	202 Hours
Duty Class	Heavy Duty Digger Derrick Truck
Upfit Type	Digger Derrick
Upfit Make	Altec
Upfit Model	D3060TR
Horse Power	330 HP
Engine Model	Cummins L9
Drivetrain	6x6
Transmission	6 Speed Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	20,000 lb 5.86 ratio
Winch	Yes
MLS Number	13276914
Category	Digger Derrick Trucks
Last Updated	12/18/2024
Location	Lockport, NY, US
Sold By	LAKE COUNTRY TRUCK & EQUIPMENT INC.

(855) 980-___ SHOW
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12 4

1995 Peterbilt 357 Tandem Axle Mechanic / Service Truck, Cummins 8.3L, 250HP, Automatic

$33,500 USD

6X6 digger-Derrick truck with auger and pole grabber, auxiliary hydraulics for tools, 4 outriggers, low miles

Condition	Used
Usage	68,697 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	250 HP
Engine Model	Cummins 8.3L
Drivetrain	6x6
Transmission	5 Speed Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Stock Number	5924
MLS Number	9784795
Category	Mechanic / Utility / Service Trucks
Last Updated	12/3/2024
Location	Caledonia, NY, US
Sold By	Caledonia Diesel

(833) 801-___ SHOW
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4 0

1994 Mack DMM6906S Tandem Axle Cab & Chassis Truck - E7, 350HP, 8Ll Manual

$12,000 USD

good truck, runs excellent, heavy duty, air seat, double frame, low miles,,

Condition	Used
Usage	8,020 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	Mack E7
Drivetrain	6x6
Transmission	8LL Manual
Suspension	Camelback
Rear Axle	Tandem Axle
Rear End	44,000 lb 4.42 ratio
Stock Number	94DM6X6TACC
MLS Number	12449970
Category	Cab & Chassis Trucks
Last Updated	11/26/2024
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(844) 670-___ SHOW
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20 1

2000 Peterbilt 357 Day Cab Truck

$49,500 USD

6X6, Cat 3306 @ 300 hp., 8LL trans., Hendrickson susp., 22k46k axles, 11R22.5 rubber, tool box, alum. headache rack, sliding 5th wheel, 175,792 showing, 212" WB, lowboy ramps, 54" 5th wheel...

Condition	Used
Duty Class	Heavy Duty Day Cab Truck
Drivetrain	6x6
MLS Number	13056752
Category	Day Cab Semi Trucks
Last Updated	11/23/2024
Location	Three Lakes, WI, US
Sold By	Three Lakes Truck and Equipment

(844) 882-___ SHOW
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16 0

2009 International WorkStar 7600 Tandem Axle Forestry Bucket Truck - Cummins, 410HP, 5 Speed Allison Rds Automatic

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2009 IHC 7600 Extended-Cab 6x6 Tandem-Axle Elbow Bucket Truck, Cummins ISM-425V 10.8L @ 410 H.P., Engine Brake, Allison XMSN 4500_RDSP 5-Speed Automatic O/D Transmission, 4.63 Ratio,...

Condition	Used
Usage	14,757 Hours
Duty Class	Heavy Duty Forestry Bucket Truck
Horse Power	410 HP
Engine Model	Cummins ISM
Drivetrain	6x6
Transmission	5 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.63 ratio
Stock Number	4086
MLS Number	13187082
Category	Forestry Bucket Trucks
Last Updated	10/19/2024
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(833) 901-___ SHOW
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42 0

2018 Kenworth T800 Glider Kit - Caterpillar, 525HP, 6 Speed Automatic

$159,995 USD

Caterpillar owned and maintained truck, 525HP CAT C13, Push button CAT transmission, PTO, Wet line kit, Full lockers, Dual breathers, 46000lb rears, 3 stage engine brake, 456 Spicer rears,...

Condition	Used
Usage	8,363 Hours
Duty Class	Heavy Duty Glider Kit
Horse Power	525 HP
Engine Model	Caterpillar C13 ACERT
Drivetrain	6x6
Transmission	6 Speed Automatic
Suspension	Neway
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
MLS Number	13124689
Category	Glider Kits
Last Updated	12/11/2024
Location	Cartersville, GA, US
Sold By	Georgia Elite Trucks

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3 0

1979 AM General M920 Tandem Axle Oil Field Truck - Cummins, 400HP, Automatic

$15,500 USD

CUMMINS NTC-400 400HP ENGINE, CAT AUTO TRANS, 52R LOCKERS, 45K WINCH,

Condition	Used
Usage	15,480 Miles
Duty Class	Heavy Duty Oil Field Truck
Horse Power	400 HP
Engine Model	Cummins NTC400
Drivetrain	6x6
Transmission	Automatic
Rear Axle	Tandem Axle
Rear End	52,000 lb
Stock Number	610828
MLS Number	10780420
Category	Oil Field Trucks
Last Updated	9/12/2024
Location	Canton, OH, US
Sold By	Adelmans Truck Parts

(844) 644-___ SHOW
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2 0

1996 Oshkosh F2344 Heavy Duty Cab & Chassis Truck

$18,500 USD

1996 Oshkosh F2344 - 6x6 Cab Chassis Location: SALT LAKE CITY, Utah 6x6, 9 Spd, Hi-Lo Transfer Case, 212" WB, 23k Front, 44k Rears, Actual Model FA2346 www.equipmentsalesinc.com located...

Quantity	2
Condition	Used
Duty Class	Heavy Duty Cab & Chassis Truck
Engine Model	Cummins CUMMINS
Drivetrain	6x6
Transmission	9 Speed Manual
Rear Axle	Tandem Axle
Rear End	44,000 lb
Stock Number	F-1247
MLS Number	8553525
Category	Cab & Chassis Trucks
Last Updated	8/20/2024
Location	Salt Lake City, UT, US
Sold By	Equipment Sales, Inc.

(855) 977-___ SHOW
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22 0

2009 Peterbilt 365 6x6 Water Truck

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Retirement Sale - Low Mileage Peterbilt 6x6 Water Truck, 203" WB Cummins ISL, Allison Automatic Trans 4500RDS-P - just rebuilt Front Axle - MT22-H Planetary, Rear Axles DSP41 w/ Full lockers...

Condition	Used
Usage	6,730 Hours
Duty Class	Heavy Duty Water Truck
Engine Model	Cummins ISL
Drivetrain	6x6
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	41,000 lb 6.17 ratio
Capacity	3600 Gallons
MLS Number	12782082
Category	Water Trucks
Last Updated	7/25/2024
Location	Newark, CA, US
Sold By	Seattle Tractor International, Inc.

(833) 796-___ SHOW
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37 0

2005 Sterling LT9500 Tandem Axle Flatbed Truck - 445HP, 10 Speed Manual

$49,900 USD

LOW MILEAGE 6x6 .Detroit series 60 ,151,320 miles, 455 hp, 10 spd manual, 4.56 ratio, double frame, full locking rears, truck was out of a rural town building supply business . low...

Condition	Used
Usage	151,320 Miles
Duty Class	Heavy Duty Flatbed Truck
Horse Power	445 HP
Engine Model	Detroit SERIES 60 12.7 DDEC IV
Drivetrain	6x6
Transmission	10 Speed Manual
Suspension	TufTrac
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	U83697
MLS Number	12818122
Category	Flatbed Trucks
Last Updated	6/28/2024
Location	Spokane, WA, US
Sold By	Class 8 Trucks

(844) 670-___ SHOW
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24 0

2006 Volvo VHD64B200 Cab & Chassis Truck

$69,500 USD

6X6, D12@365 hp., 8LL, 20K Marmon front axle/46 K rear, Hendrickson susp., 4.56 ratio, locking front axle/full locking rear, 2 speed transfer case, jake/cruise/ac, dbl. frame, new...

Condition	Used
Duty Class	Heavy Duty Cab & Chassis Truck
Drivetrain	6x6
MLS Number	12770264
Category	Cab & Chassis Trucks
Last Updated	6/27/2024
Location	Three Lakes, WI, US
Sold By	Three Lakes Truck and Equipment

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5 0

1968 Kaiser M51A2 Dump Truck - Cummins 240HP, Manual, 12' Dump

$10,000 USD

good older truck, runs great, bed dumps, 6 x 6 works, *TRUCK HAS SET FOR A COUPLE YEARS AND WILL NEED A GOOD SERVICE TO GO BACK TO WORK!,

Condition	Used
Duty Class	Heavy Duty Dump Truck
Bed Length	12 ft.
Horse Power	240 HP
Drivetrain	6x6
Transmission	Manual
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	68MILTDUMP
MLS Number	11646179
Category	Dump Trucks
Last Updated	6/21/2024
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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3 0

2005 Mack Granite Six-Axle Dump Truck (NEW Everything)

$94,950 USD

2005 Mack Granite Six-Axle Dump Truck. Approx. 460,000 miles. Mack MP7 diesel engine. 455 hp. Eaton 8LL transmission. 66,000# GVWR. 20k front. 46k rears. NEW Motor. NEW Transmission. NEW...

Condition	Used
Usage	460,000 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	450 HP
Engine Model	Mack MP7
Drivetrain	6x6
Transmission	8LL
Suspension	Camelback
Rear Axle	Six Axle
Rear End	46,000 lb
MLS Number	12769407
Category	Dump Trucks
Last Updated	10/1/2024
Location	Asheville, NC, US
Sold By	Equipment Dudes LLC

(844) 915-___ SHOW
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5 0

2009 Western Star 4900 Day Cab Truck - 450HP

$94,500 USD

2009 Western Star 4900SA Tractor Truck, Mercedes 12.8L, 450HP, 6-Cyl., Diesel, 6x6, Air Brakes, SBA Axle Config, Class 8: 33,001 lb and above, Sliding 5th Wheel, 5.63 Gear Ration, 18-Speed,...

Condition	Used
Usage	31,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Drivetrain	6x6
Transmission	18 Speed
MLS Number	12621028
Category	Day Cab Semi Trucks
Last Updated	3/15/2024
Location	Roseburg, OR, US
Sold By	ReQuip

(844) 382-___ SHOW
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2 0

2005 Advance 61211-200 Six Axle Mixer / Ready Mix / Concrete Truck - Cummins, Automatic

$16,500 USD

(6) '03 - '05 Advance Front Discharge Mixers: 6x6, 11yd Drums, 6 Axle, 3 Lifts, Cummins ISM, Auto, 46Rr,,

Condition	Used
Duty Class	Heavy Duty Mixer / Ready Mix / Concrete Truck
Engine Model	Cummins ISM
Drivetrain	6x6
Transmission	Automatic
Rear Axle	Six Axle
Rear End	46,000 lb
Stock Number	009950
MLS Number	12592929
Category	Mixer / Ready Mix / Concrete Trucks
Last Updated	2/7/2024
Location	Canton, OH, US
Sold By	Adelmans Truck Parts

(833) 495-___ SHOW
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15 0

2002 Oshkosh MK23 4000 Gallon Water Truck - Caterpillar 410HP, 7 Speed Automatic

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2002 OSHKOSH MK 23 6X6 ALL WHEEL DRIVE UNIT/ COMES WITH 4000 GALLON MAVERICK WATER SYSTEM CAT C-12 @410HP WITH ENGINE BRAKE, 6 POSITION COIL OVER SPRING SUSP, 7 SP ALLISON, ON ROAD/ OFF ROAD...

Condition	Used
Duty Class	Heavy Duty Water Truck
Horse Power	410 HP
Engine Model	Caterpillar C12
Drivetrain	6x6
Transmission	7 Speed Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Capacity	4000 Gallons
MLS Number	11995079
Category	Water Trucks
Last Updated	1/30/2024
Location	Chandler, AZ, US
Sold By	Maverick Equipment LLC