4000 Gallon 6x4 Water Trucks For Sale

(844) 841-___ SHOW
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Featured Item

2018 Peterbilt 579 Water Truck 4000 gallons new steel tank

$59,000 USD

Water Truck Peterbilt 579 Paccar MX13 engine 10 speed manual transmission cold AC, Includes a new drive shaft and yokes for the PTO, and a new water pump. It has a 4x3, 800 GPM draft system...

Condition	Used
Duty Class	Heavy Duty Water Truck
Engine Model	Paccar MX13
Drivetrain	6x4
Transmission	10 Speed Manual
Capacity	4000 Gallons
Compartments	3
MLS Number	14420865
Category	Water Trucks
Last Updated	6/12/2026
Location	Gadsden, AZ, US
Sold By	Iron Lot LLC

(844) 841-___ SHOW
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2016 Freightliner M2 Water Truck 4000 gallons new steel tank!

$65,000 USD

Detroit engine DD13 10 speed manual Eaton Fuller transmission jake brake Cold A/C new steel tank 4000 gallons baffled side to side 2 compartments, new water pump 4x3 800GPM 6 new sprayers 2...

Condition	Used
Duty Class	Heavy Duty Water Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	10 Speed Automatic
Capacity	4000 Gallons
Compartments	3
MLS Number	14356808
Category	Water Trucks
Last Updated	6/12/2026
Location	Gadsden, AZ, US
Sold By	Iron Lot LLC

(928) 287-___ SHOW
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2017 International ProStar+ (Plus) Water Truck

$54,000 USD

https://www.wateronwheelsllc.com/

Condition	Used
Usage	293,691 Miles
Duty Class	Heavy Duty Water Truck
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	10 Speed Manual
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Compartments	2
MLS Number	13761469
Category	Water Trucks
Last Updated	6/10/2026
Location	San Luis, AZ, US
Sold By	Water on Wheels LLC

(844) 611-___ SHOW
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2025 Kenworth T480 4000 Gallon Water Truck - Paccar 350HP, 6 Speed Allison Rds Automatic

2007 Volvo VHD, NEW Tank, VE D12 12.13L, Eaton 10 Spd, 365 H.P., NEW 4,000 Gal, Sprayers, 132K Low Miles!

2012 Peterbilt 384 4000 Gallon Water Truck - Cummins 450HP, 10 Speed Manual

Newly Listed

$92,900 USD

low mileage Pete w/ NEW WORKMAN 4000 gal. tank, 6 spray system, self-load, extra baffles for forest service, hose reel, rear storage compartment, tank is plumbed for a water cannon. Truck...

Condition	Used
Usage	9,443 Hours
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Cummins ISX12
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
Stock Number	GW26014
MLS Number	14454935
Category	Water Trucks
Last Updated	6/27/2026
Location	Rigby, ID, US
Sold By	Grover's All-Wheels, LLC

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

$134,500 USD

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	7,534 Miles
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	14356598
Category	Water Trucks
Last Updated	6/12/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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

$79,500 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	5/27/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 796-___ SHOW
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1994 Autocar ACL64B 4000 Gallon Water Truck - Caterpillar, 7 Speed Manual

$39,900 USD

CAT 3306, 300 hp, 7 speed Eaton Fuller, 4,000 gallon tank,

Condition	Used
Usage	229,718 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	300 HP
Engine Model	Caterpillar 3306
Drivetrain	6x4
Transmission	7 Speed Manual
Suspension	T-Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Capacity	4000 Gallons
Stock Number	513471
MLS Number	14294348
Category	Water Trucks
Last Updated	5/8/2026
Location	Spokane Valley, WA, US
Sold By	Class 8 Trucks

(855) 653-___ SHOW
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2020 Freightliner M2 106 4000 Gallon Water Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

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2020 Freightliner M2-106 Tandem Axle 4,000 Gallon Water Truck, 8.9L Cummins L9 Turbo Diesel Engine, 300 HP, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 22,278 ECM Verified Miles ...

Condition	Used
Usage	4,629 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	300 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 5.29 ratio
Capacity	4000 Gallons
Stock Number	T18082D
MLS Number	14296367
Category	Water Trucks
Last Updated	4/8/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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

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

$129,000 USD

Brand New Tank System, On a 2023 Freightliner, DD13 450HP, Allison 4000RDS Auto Contact: ED Gibbs,

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	40,000 lb 3.90 ratio
Capacity	4000 Gallons
MLS Number	14157367
Category	Water Trucks
Last Updated	3/31/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(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.

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

(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

2005 Sterling L9500 4000 Gallon Water Truck - Caterpillar 380HP

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C-13 CAT @380-HP, , EATON FULLER 10 SPEED TRANSMISSION, , TUFF TRAC SPRING SUSPENSION, , 14,600 LB FRONT AXLE , , AIR CONDITIONING, , POWER STEERING, , 11R 22.5 RADIALS ON DRIVES/ BRAND NEW 0...

Condition	Used
Duty Class	Heavy Duty Water Truck
Horse Power	380 HP
Engine Model	Caterpillar C13
Drivetrain	6x4
Transmission	10 Speed
Rear Axle	Tandem Axle
Capacity	4000 Gallons
MLS Number	13531360
Category	Water Trucks
Last Updated	4/22/2025
Location	Chandler, AZ, US
Sold By	Maverick Equipment LLC

2005 Sterling L9500 4000 Gallon Water Truck - Caterpillar 380HP

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C-13 CAT @380-HP, , EATON FULLER 10 SPEED TRANSMISSION, , TUFF TRAC SPRING SUSPENSION, , 14,600 LB FRONT AXLE , , AIR CONDITIONING, , POWER STEERING, , 11R 22.5 RADIALS ON DRIVES/ BRAND NEW 0...

Condition	Used
Usage	251,569 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	380 HP
Engine Model	Caterpillar C13
Drivetrain	6x4
Transmission	10 Speed
Rear Axle	Tandem Axle
Capacity	4000 Gallons
MLS Number	13503925
Category	Water Trucks
Last Updated	4/22/2025
Location	Chandler, AZ, US
Sold By	Maverick Equipment LLC

2009 Kenworth T300 4000 Gallon Water Truck - Paccar 330HP, 10 Speed Manual

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2009 KENWORTH T300 WITH NEW MAVERICK 4000 GALLON WATER SYSTEM, CUMINS PACCAR PX8 @330HP, AIR RIDE SUSP, AC, AM-FM RADIO, PS, CC, 2 STAGE JAKE, 4:88 REAR RATIO, AIR RIDE DRIVERS, 40,000...

Condition	Used
Usage	40,000 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	330 HP
Engine Model	Paccar PX8
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
MLS Number	12175878
Category	Water Trucks
Last Updated	7/13/2023
Location	Chandler, AZ, US
Sold By	Maverick Equipment LLC

2009 Sterling L9500 4000 Gallon Water Truck - Caterpillar 430HP, 13 Speed Manual

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2009 STERLING WITH NEW 4000 GALLON WATER SYSTEM, C13 CAT @430HP, 13SP TRANS, AIR LINER SUSP, JAKE, AC PS, CC, AIR RIDE DRIVERS, 95,568 ACT MI, COMES WITH NEW 4000 GALLON MAVERICK WATER...

Condition	Used
Usage	95,568 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	430 HP
Drivetrain	6x4
Transmission	13 Speed Manual
Suspension	AirLiner
Rear Axle	Tandem Axle
Capacity	4000 Gallons
MLS Number	12038124
Category	Water Trucks
Last Updated	6/28/2023
Location	Chandler, AZ, US
Sold By	Maverick Equipment LLC