4000 Gallon Automatic 6x4 Water Trucks For Sale

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2020 International MV607 4000 Gallon Water Truck - Cummins - Automatic - New Tank - 5 Spray Heads

$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	4/7/2026
Location	New Boston, TX, US
Sold By	Trademark Truck Sales

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2025 Kenworth T480 4000 Gallon Water Truck - Paccar 350HP, 6 Speed Allison Rds Automatic

$259,995 USD

2025 Kenworth T480 Conventional, Engine: PACCAR PX-9 350HP @ 1,750 RPM, 1,050 lb-ft torque @ 1,200 RPM, with turbo exhaust brake, Transmission: Allison 3000RDS 6-speed automatic with PTO...

Condition	New
Usage	37 Miles
Duty Class	Heavy Duty Water Truck
Upfit Make	Klein
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tandem Axle
Rear End	46,000 lb 6.43 ratio
Capacity	4000 Gallons
Stock Number	KF202868
MLS Number	13377058
Category	Water Trucks
Last Updated	4/14/2026
Location	Rosedale, MD, US
Sold By	All Roads Trucks

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2025 Kenworth T480 4000 Gallon Water Truck - Paccar 350HP, 6 Speed Allison Rds Automatic

$259,995 USD

2025 Kenworth T480 Conventional, Engine: PACCAR PX-9 350HP @ 1,750 RPM, 1,050 lb-ft torque @ 1,200 RPM, with turbo exhaust brake, Transmission: Allison 3000RDS 6-speed automatic with PTO...

Condition	New
Usage	692 Miles
Duty Class	Heavy Duty Water Truck
Upfit Make	Klein
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tandem Axle
Rear End	46,000 lb 6.43 ratio
Capacity	4000 Gallons
Stock Number	KF202867
MLS Number	13377057
Category	Water Trucks
Last Updated	4/14/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

2022 Kenworth T370 4000 Gallon Water Truck - Paccar 300HP, 6 Speed Allison Rds Automatic

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2022 Kenworth T370 Tandem Axle 4,000 Gallon Water Truck, Paccar PX9 8.9L Turbo Diesel Engine, 300 HP, Engine Brake, Allison 3500 RDS 6 Speed Automatic Transmission, ONLY 10,888 ECM Verified...

Condition	Used
Usage	3,020 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Valew
Horse Power	300 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
Stock Number	T17937D
MLS Number	14305809
Category	Water Trucks
Last Updated	4/11/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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 Diesel Engine, 300 HP, Allison 6 Speed Automatic Transmission, 36,729 ECM Verified Miles 5,352 ECM Verified...

Condition	Used
Usage	5,352 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Curry Supply
Horse Power	300 HP
Engine Model	Cummins L9
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	T18091D
MLS Number	14299568
Category	Water Trucks
Last Updated	4/9/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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

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2025 Kenworth T480 4000 Gallon Water Truck - Paccar 350HP, 6 Speed Allison Rds Automatic

$259,995 USD

2025 Kenworth T480 Conventional, Engine: PACCAR PX-9 350HP @ 1,750 RPM, 1,050 lb-ft torque @ 1,200 RPM, with turbo exhaust brake, Transmission: Allison 3000RDS 6-speed automatic with PTO...

Condition	New
Usage	1,777 Miles
Duty Class	Heavy Duty Water Truck
Upfit Make	Klein
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tandem Axle
Rear End	46,000 lb 6.43 ratio
Capacity	4000 Gallons
Stock Number	KF202869
MLS Number	13377059
Category	Water Trucks
Last Updated	4/5/2026
Location	Landover, MD, US
Sold By	All Roads 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

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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

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2023 Freightliner M2 112 4000 Gallon Water Truck - Detroit 450HP, Automatic

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The 2023 Freightliner Business Class M2 112 is a rugged medium duty truck that stands out in the used market for its strong powertrain options, spacious cab and versatile upfit potential...

Quantity	2
Condition	Used
Usage	90,729 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	2557
MLS Number	13989763
Category	Water Trucks
Last Updated	3/24/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

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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

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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

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

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2025 Kenworth T480 4000 Gallon Water Truck - Paccar 350HP, 6 Speed Allison Rds Automatic

$259,995 USD

2025 Kenworth T480 Conventional, Engine: PACCAR PX-9 350HP @ 1,750 RPM, 1,050 lb-ft torque @ 1,200 RPM, with turbo exhaust brake, Transmission: Allison 3000RDS 6-speed automatic with PTO...

Condition	New
Usage	1,909 Miles
Duty Class	Heavy Duty Water Truck
Upfit Make	Klein
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tandem Axle
Rear End	46,000 lb 6.43 ratio
Capacity	4000 Gallons
Stock Number	KF202862
MLS Number	13377052
Category	Water Trucks
Last Updated	1/8/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

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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

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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

2022 Freightliner M2 106 4000 Gallon Water Truck - Detroit 350HP, 6 Speed Allison Rds Automatic

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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