Used 6x4 Water Trucks For Sale in United States

(928) 287-___ SHOW
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Featured Item

2009 Freightliner Columbia 120 4000 Gallon Water Truck

Price Drop $40,000 USD

2009 Freightliner Colombia 4000 Gallon Water Truck with AutomaticEaton Fuller RTO-14910B-DM3 10-speed Transmission and Detroit Series 60 engine. New steel tank with Front, Rear and Side...

Condition	Used
Usage	266,620 Miles
Duty Class	Heavy Duty Water Truck
Engine Model	Detroit Detroit Series 60
Drivetrain	6x4
Transmission	10 Speed Automatic
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Compartments	2
MLS Number	14070378
Category	Water Trucks
Last Updated	3/23/2026
Location	San Luis, AZ, US
Sold By	Water on Wheels LLC

(844) 841-___ SHOW
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Featured Item

2015 Peterbilt 365 Water Truck 4000 gallons new steel tank!

$65,000 USD

Peterbilt 2015 367 Cummins Engine ISX15 Jake brake 10 speed manual Eaton Fuller Transmission 4000 gallons new steel Baffled tank, tool boxes on the fenders 2 1/2-inch Fast flow valve, pump...

Condition	Used
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	10 Speed Manual
Capacity	4000 Gallons
Compartments	3
MLS Number	14062793
Category	Water Trucks
Last Updated	3/10/2026
Location	Gadsden, AZ, US
Sold By	Iron Lot LLC

(844) 841-___ SHOW
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Featured Item

2020 Kenworth T680 2013-2019 Water Truck 4000 gallons new steel tank!

$59,500 USD

Kenworth 2020 T680 MX13 engine 3 stage Jake brake 10 speed manual Eaton Fuller Transmission 4000 gallons new steel Baffled tank, tool boxes on the fenders 2 1/2-inch Fast flow valve, pump...

Condition	Used
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Drivetrain	6x4
Transmission	10 Speed Manual
Capacity	4000 Gallons
Compartments	3
MLS Number	14062792
Category	Water Trucks
Last Updated	3/10/2026
Location	Gadsden, AZ, US
Sold By	Iron Lot LLC

(855) 725-___ SHOW
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2023 Freightliner M2 112 4000 Gallon Water Truck - Detroit 450HP, 6+1 Speed Allison Rds Automatic

Newly Listed

$129,999 USD

Brand new tank and system, On a low mile 2023 Freightliner truck, Contact: ED Gibbs for details,

Condition	Used
Usage	90,000 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6+1 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.90 ratio
Capacity	4000 Gallons
MLS Number	14273185
Category	Water Trucks
Last Updated	3/28/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(855) 980-___ SHOW
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1994 Kenworth T800 Water Truck - Detroit 330HP, Manual

Newly Listed

Contact for price

898865 Miles, Engine: DETROIT, 330 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Tires: 11R 8.25 24.5, Wheels: All Aluminum, Tandem Rear Axles, Composition: Steel

Condition	Used
Usage	898,865 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	330 HP
Drivetrain	6x4
Transmission	Manual
Rear Axle	Tandem Axle
Stock Number	634046-KW
MLS Number	14269109
Category	Water Trucks
Last Updated	3/28/2026
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts

(855) 244-___ SHOW
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2020 International MV607 4000 Gallon Water Truck - Cummins - Automatic - New Tank - 5 Spray Heads

Newly Listed

$87,500 USD

2020 INTERNATIONAL MV 4000 GALLON WATER TRUCK - 192,550 Miles - Cummins L9 330 HP - Allison 3000RDS Automatic - GVWR: 52,000 lbs. - Ratio: 5.29 - Power Windows/Power Locks - New 4000 Gallon...

Condition	Used
Usage	192,550 Miles
Duty Class	Heavy Duty Water Truck
Upfit Type	Water Tank Body
Horse Power	330 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear End	5.29 ratio
Capacity	4000 Gallons
Stock Number	857799
MLS Number	14263029
Category	Water Trucks
Last Updated	3/24/2026
Location	New Boston, TX, US
Sold By	Trademark Truck Sales

(844) 445-___ SHOW
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2023 Freightliner M2 112 4000 Gallon Water Truck - Detroit 450HP, Automatic

2011 MACK CXU613 PINNACLE WATER Truck, Tandem Axle, 4,000 lb. Water Tank Body and Spray Bars.

Price Drop $58,500 USD

***Blow-out, Sale Cash ~ Deal Ends March 27th 2026, Prices subjust to change. GREAT FIND! 2011 Mack CXU613 Water Truck, MP7 10.8 Ltr, Turbo, 6 Cyl, HP 340, Eaton Fuller Autoshift 6-Speed...

Condition	Used
Usage	350,098 Miles
Duty Class	Heavy Duty Water Truck
Upfit Type	Water Tank Body
Horse Power	340 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	6 Speed Autoshift Automated
Suspension	Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Capacity	4000 Gallons
Compartments	3
Stock Number	012906
MLS Number	13878169
Category	Water Trucks
Last Updated	3/20/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(844) 716-___ SHOW
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2006 International Paystar 5600 4000 Gallon Water Truck - Cummins 370HP, 5 Speed Allison Rds Automatic

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HARD TO FIND 6 X 6 Water truck! , 2006 International 5600i 6 x 6 chassis #5255; Vin # 1HTXGAHT96J255413, , Cummins ISM- 385; 370 horsepower turbo diesel with Jake brake, , Allison 4500_RDS_P...

Condition	Used
Usage	8,562 Hours
Duty Class	Heavy Duty Water Truck
Horse Power	370 HP
Engine Model	Cummins ISM385V
Drivetrain	6x4
Transmission	5 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Capacity	4000 Gallons
Stock Number	5255A
MLS Number	13446868
Category	Water Trucks
Last Updated	3/12/2026
Location	Pacific, WA, US
Sold By	Puget Sound Truck Sales, Inc.

(844) 716-___ SHOW
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2006 International Paystar 5600 4000 Gallon Water Truck - Cummins 370HP, 5 Speed Allison Rds Automatic

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HARD TO FIND 6 X 6 Water truck! , 2006 International 5600i 6 x 6 chassis #5255; Vin # 1HTXGAHT96J255413, , Cummins ISM- 385; 370 horsepower turbo diesel with Jake brake, , Allison 4500_RDS_P...

Condition	Used
Usage	8,562 Hours
Duty Class	Heavy Duty Water Truck
Horse Power	370 HP
Engine Model	Cummins ISM385V
Drivetrain	6x4
Transmission	5 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Capacity	4000 Gallons
Stock Number	5255
MLS Number	13300607
Category	Water Trucks
Last Updated	3/12/2026
Location	Pacific, WA, US
Sold By	Puget Sound Truck Sales, Inc.

(855) 804-___ SHOW
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2013 Freightliner M2 106 4000 Gallon Water Truck - Cummins 350HP, 6 Speed Allison Rds Automatic

$69,500 USD

2013 Freightliner M2 106 --- Tandem Axle, ISC Cummins 350 HP, Allison Automatic 6 Speed, 5.29 Ratio, 16,000 Front Axle, 40,000 Rear Axle, 200" Wheelbase, 18' 9" Bridge, Tuf Trac, Double...

Condition	Used
Usage	64,054 Miles
Duty Class	Heavy Duty Water Truck
Upfit Make	DIVERSIFIED FABRICATORS
Horse Power	350 HP
Engine Model	Cummins ISC
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Capacity	4000 Gallons
Stock Number	FE3928
MLS Number	14230235
Category	Water Trucks
Last Updated	3/7/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 801-___ SHOW
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2012 Kenworth T440 4000 Gallon Water Truck - Paccar 300HP, 8Ll Manual

$65,000 USD

NICE TRUCK, RUNS EXCELLENT, PTO/ PUMP, FRONT/ SIDE/ REAR SPRAYERS, WATER CANNON, REAR GRAVITY BAR, AIR SEAT, DIFFERENTIAL LOCK, CLEAN CAB, NICE TANK!,

Condition	Used
Usage	74,620 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	300 HP
Engine Model	Paccar PX8
Drivetrain	6x4
Transmission	8LL Manual
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
Stock Number	12T44074TAWATER
MLS Number	14220703
Category	Water Trucks
Last Updated	3/3/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 980-___ SHOW
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1987 International 9300 4000 Gallon Water Truck - Cummins 350HP, 9 Speed Manual

$20,000 USD

1987 INTERNATIONAL 9370 WATERTRUCK, CUMMINS BIG CAM, 9 SPEED MANUAL TRANSMISSION, SPRING SUSPENSION, 4000 GAL TANK, FRONT SPRAY, REAR SPRAY, HOSE REEL, 11R24.5 TIRES ON STEEL WHEELS,

Condition	Used
Usage	729,881 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	350 HP
Engine Model	Cummins NT855 BIG CAM
Drivetrain	6x4
Transmission	9 Speed Manual
Suspension	4 Spring
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	089129-IH
MLS Number	14109141
Category	Water Trucks
Last Updated	1/24/2026
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts

(833) 495-___ SHOW
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2021 Peterbilt 567 4000 Gallon Water Truck - Paccar 430HP, 12 Speed Automatic

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MX11 @430HP @1600/1650 FT LBS, 12 Speed Automatic, Flex Air Spring Suspension / 52" Spacing, 13,200 LB Front Axle, 40,000 LB Rears, 3.36 Ratio, 240" WB, Air Disc Brakes, Air Conditioning,...

Condition	Used
Usage	211,607 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	430 HP
Engine Model	Paccar MX-11
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
MLS Number	14085952
Category	Water Trucks
Last Updated	1/13/2026
Location	Chandler, AZ, US
Sold By	Maverick Equipment LLC

(855) 653-___ SHOW
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2020 International WorkStar 7400 4000 Gallon Water Truck - Cummins 350HP, 6 Speed Allison Rds Automatic

$124,500 USD

2020 International 7400 Tandem Axle 4,000 Gallon Water Truck, Cummins L9 8.9L Turbo Diesel Engine, 350 HP, Exhaust Brake, Allison 6 Speed Automatic Transmission, ONLY 29,208 Miles, 3,729...

Condition	Used
Usage	3,729 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	350 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
Stock Number	T17846D
MLS Number	14059525
Category	Water Trucks
Last Updated	1/8/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(707) 849-___ SHOW
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2014 Kenworth W900 3400 Gallon Water Truck - Cummins 485HP, 13 Speed Manual

$150,000 USD

2014 Kenworth W900 Potable Water Truck Westmark 3400 Gallon Tank Cummins X15 485HP Engine, 13 Speed, 568k Miles Ready to Work,

Condition	Used
Usage	568,364 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	485 HP
Engine Model	Cummins ISX15 485
Drivetrain	6x4
Transmission	13 Speed Manual
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	3400 Gallons
MLS Number	13906288
Category	Water Trucks
Last Updated	12/31/2025
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(855) 244-___ SHOW
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2019 International DuraStar 4400 4000 Gallon Water Truck - 293,859 miles - Cummins 300HP - Allison Automatic - New Tank - New Pump - 5 Spray Heads

$80,000 USD

2019 INTERNATIONAL 4400 4000 GALLON WATER TRUCK - 293,859 Miles - Cummins ISL 300HP - Allison Automatic - Ratio: 5.22 - New 4000 Gallon Water Tank - 4000 Gallon tank capacity - PTO driven...

Condition	Used
Usage	293,859 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	310 HP
Engine Model	Cummins Cummins ISL
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear End	5.22 ratio
Capacity	4000 Gallons
Compartments	3
Stock Number	444879
MLS Number	14044583
Category	Water Trucks
Last Updated	3/20/2026
Location	New Boston, TX, US
Sold By	Trademark Truck Sales

(833) 801-___ SHOW
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2002 Freightliner FL80 4000 Gallon Water Truck - Caterpillar 250HP, Automatic

$34,000 USD

GOOD TRUCK, RUNS EXCELLENT, AIR BRAKES, NICE AGM TANK, DIFFERENTIAL LOCK, PTO/PUMP, SIDE/ REAR SPRAYERS, HOSE REEL!,

Condition	Used
Usage	152,357 Miles
Duty Class	Heavy Duty Water Truck
Upfit Make	AGM
Horse Power	250 HP
Engine Model	Caterpillar C7
Drivetrain	6x4
Transmission	Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.22 ratio
Capacity	4000 Gallons
Stock Number	02FL80152TAWATER
MLS Number	14042805
Category	Water Trucks
Last Updated	12/14/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 653-___ SHOW
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2022 Freightliner M2 106 4000 Gallon Water Truck - Detroit 350HP, 6 Speed Allison Rds Automatic

Contact for price

2022 Freightliner M2-106 Tandem Axle 4,000 Gallon Water Truck, 7.7L Detroit Diesel DD8 Engine, 350 HP, Engine Brake, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 7,534 ECM Verified...

Condition	Used
Usage	1,714 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	350 HP
Engine Model	Detroit DD8
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Capacity	4000 Gallons
Stock Number	T17844D
MLS Number	14029257
Category	Water Trucks
Last Updated	12/11/2025
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 708-___ SHOW
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1994 Ford LTL9000 4000 Gallon Water Truck - Detroit 350HP, 10 Speed Manual

$12,500 USD

1994 Ford LTL9000 Water Truck, 350 HP Detroit Series 60 Engine, 10 Speed Transmission, Air Ride Suspension, Drum Brakes, 160 Gallon Fuel Capacity, 4000 Gallon Water Tank, Centrifugal Pump...

Condition	Used
Usage	417,556 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	350 HP
Engine Model	Detroit SERIES 60 11.1 DDEC II
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
Stock Number	SBA1321
MLS Number	13878092
Category	Water Trucks
Last Updated	2/12/2026
Location	Price, UT, US
Sold By	SellBuyAuction

(844) 708-___ SHOW
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2004 Peterbilt 385 3600 Gallon Water Truck - Caterpillar 335HP, 6 Speed Allison Hs Automatic

$39,500 USD

2004 Peterbilt 385, 117239 Miles, CAT C-10 335 HP Engine, Allison 6 Speed Automatic with Spicer Auxiliary 4 Speed, 5.29 Axle Ratio, 58000# GVWR, Hendrickson RT Rear Spring Suspension, Wet...

Condition	Used
Usage	117,239 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	335 HP
Engine Model	Caterpillar C10
Drivetrain	6x4
Transmission	6 Speed Allison HS Automatic
Suspension	Hendrickson RT
Rear Axle	Tandem Axle
Rear End	46,000 lb 5.29 ratio
Capacity	3600 Gallons
Stock Number	SBA1192
MLS Number	13764362
Category	Water Trucks
Last Updated	2/12/2026
Location	Cedar City, UT, US
Sold By	SellBuyAuction

(707) 849-___ SHOW
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2011 Peterbilt 382 3400 Gallon Water Truck - Cummins 380HP, 10 Speed Manual

$120,000 USD

2011 Peterbilt 382 Water Truck 6 Sprayers Plus a water cannon, 2 Front, 3 Rear, 1 Side, 1 Cannon New 3400 Dietz Tank Cummins Engine, 188k Miles, 8k Hours, 10 Speed manual Excellent shape...

Condition	Used
Usage	9,407 Hours
Duty Class	Heavy Duty Water Truck
Horse Power	380 HP
Engine Model	Cummins ISL9
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Spring
Rear Axle	Tandem Axle
Capacity	3400 Gallons
MLS Number	13811583
Category	Water Trucks
Last Updated	9/18/2025
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(833) 801-___ SHOW
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2010 Peterbilt 384 3200 Gallon Water Truck - Cummins 370HP, 10 Speed Manual

$28,000 USD

NICE TRUCK, RUNS EXCELLENT, AIR SEAT, AIR BRAKES, HONDA PUMP, CUT OFF VALVES, MIXING TANK!,

Condition	Used
Usage	395,456 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	370 HP
Engine Model	Cummins ISM
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.10 ratio
Capacity	3200 Gallons
Stock Number	10PETE395WATER
MLS Number	13652530
Category	Water Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(844) 257-___ SHOW
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2016 Freightliner 114SD 4000 Gallon Water Truck - Detroit 350HP, 10 Speed Manual

$89,500 USD

2016 Freightliner 114SD, NEW 4000 gal Water Tank, 5 Spray System, The Tank is Epoxy Lined, The Truck has a DD13 350 HP Detroit ,10 spd Trans, 425/65R22.5 Tires on Aluminum Wheels, brand new...

Condition	Used
Duty Class	Heavy Duty Water Truck
Horse Power	350 HP
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	9740
MLS Number	13601675
Category	Water Trucks
Last Updated	6/10/2025
Location	Robstown, TX, US
Sold By	J&B Pavelka, Inc.