Automatic 6x4 Water Trucks For Sale

(855) 244-___ SHOW
NUMBERCall Seller

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	1/8/2026
Location	New Boston, TX, US
Sold By	Trademark Truck Sales

(844) 714-___ SHOW
NUMBERCall Seller

2020 Peterbilt 337 4000 Gallon Water Truck - Paccar 350HP, 6 Speed Allison Rds Automatic

Price Drop $129,000 USD

New Paisano 4000 Gallon Tank, Epoxy Lined, 5 Sprays- 2 front/2 rear/1 side, 750 gpm pump, Self priming draft with hoses, Rear hydrant fill, Rear storage basket, 2 Speed Rear End 7.17/ 9.77...

Condition	Used
Usage	163,586 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	260 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
Stock Number	6942
MLS Number	13974112
Category	Water Trucks
Last Updated	1/16/2026
Location	Boise, ID, US
Sold By	Diesel Depot

(833) 495-___ SHOW
NUMBERCall Seller

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

2021 Peterbilt 567 4000 Gallon Water Truck - Paccar 430HP, 12 Speed Automatic

Newly Listed

Contact for price

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
NUMBERCall Seller

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

(713) 532-___ SHOW
NUMBERCall Seller

2023 Freightliner M2 112 4000 Gallon Water Truck - Detroit 450HP, 12 Speed Automatic

Contact for price

2023 Freightliner M2 112 – 4,000 Gallon Water Truck – 90K Miles – Allison Auto – California Units We’ve got three 2023 Freightliner M2 112 water trucks available all fleet-maintained,...

Quantity	3
Condition	Used
Usage	90,005 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	2653
MLS Number	14019078
Category	Water Trucks
Last Updated	1/15/2026
Location	Humble, TX, US
Sold By	TCI Transportation

(909) 775-___ SHOW
NUMBERCall Seller

2023 Freightliner M2 112 4000 Gallon Water Truck - Detroit 450HP, Super 10 Speed Automatic

$129,000 USD

2023 Freightliner M2 112 Water Truck, Detroit DD13 450HP, Super 10 Automatic, Only 69K Miles. Brand New 4,000 Gallon Tank Conversion, Tandem Axle, Air Ride, Double Frame, Fleet Maintained,...

Condition	Used
Usage	69,340 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Super 10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	2653
MLS Number	13951257
Category	Water Trucks
Last Updated	1/8/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

(713) 532-___ SHOW
NUMBERCall Seller

2023 Freightliner M2 112 4000 Gallon Water Truck - Detroit 450HP, Super 10 Speed Automatic

$129,000 USD

DD13 450HP, Super 10 Auto, 69K Miles. Brand New 4,000 Gal Tank Conversion, Air Ride, Double Frame. Fleet Maintained, DOT Ready, Class 8. Perfect For Heavy-Duty Water Service. Call Daniel...

Condition	Used
Usage	69,340 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Super 10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	2653
MLS Number	13951254
Category	Water Trucks
Last Updated	1/15/2026
Location	Humble, TX, US
Sold By	TCI Transportation

(713) 532-___ SHOW
NUMBERCall Seller

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

Contact for price

2023 Freightliner M2 112 Water Truck, 4,000 Gallon Tank, Just Off Lease And Ready To Work. Allison Automatic, Cummins L9, Air Ride, Fleet Maintained, DOT Ready. For Full Specs, Price, And...

Condition	Used
Duty Class	Heavy Duty Water Truck
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	B2021
MLS Number	13696500
Category	Water Trucks
Last Updated	1/15/2026
Location	Humble, TX, US
Sold By	TCI Transportation

(954) 523-___ SHOW
NUMBERCall Seller

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	24 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	1/8/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

(561) 882-___ SHOW
NUMBERCall Seller

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	2,276 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	KF202866
MLS Number	13377056
Category	Water Trucks
Last Updated	1/8/2026
Location	Riviera Beach, FL, US
Sold By	All Roads Trucks

(239) 451-___ SHOW
NUMBERCall Seller

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	2,445 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	KF202865
MLS Number	13377055
Category	Water Trucks
Last Updated	1/8/2026
Location	Naples, FL, US
Sold By	All Roads Trucks

(954) 523-___ SHOW
NUMBERCall Seller

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

(833) 801-___ SHOW
NUMBERCall Seller

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
NUMBERCall Seller

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
NUMBERCall Seller

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	12/10/2025
Location	Cedar City, UT, US
Sold By	SellBuyAuction

(909) 775-___ SHOW
NUMBERCall Seller

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

Contact for price

Hard to find low mileage, 4000 USG tank made from 3/16” AR 37-gauge steel, two baffles, 2” fill tube, 1” ladder, 15’ Ft Long x 86” Wide x 79” Tall, 3/16” half fenders, mounted on an...

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	11/19/2025
Location	Fontana, CA, US
Sold By	TCI Transportation

2023 Freightliner M2 112 4000 Gallon Water Truck - Detroit 450HP, 6+2 Speed Allison Rds Automatic

$129,000 USD

Brand New Build on a Low Mile 2023 Chassis, New Tank and Complete Water System, New PTO and Controls, Allison 4000RDS Automatic, Contact Ed Gibbs for more information,

Quantity	2
Condition	Used
Usage	34,042 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6+2 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Capacity	4000 Gallons
MLS Number	13725509
Category	Water Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

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

$129,900 USD

Brand New Build, AUTOMATIC Allison 4000RDS, New Tank and Complete Water System, New Tires, Contact: Ed Gibbs,

Quantity	5
Condition	Used
Usage	50,000 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	13655923
Category	Water Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

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

$129,900 USD

BRAND NEW BUILDS, On 2023 Freightliner Chassis with Low Miles, Miles: 34,000 to 80,000 miles, New Tank and Water System, DD13 450HP, Allison Automatics, Contact Ed Gibbs for more information...

Quantity	2
Condition	Used
Usage	34,000 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
Stock Number	2655
MLS Number	13635730
Category	Water Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

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

$129,000 USD

Brand New Build! New Tank and Water System On a 2023 Low Mile Chassis, One Owner, Contact Ed Gibbs for More Information or Finance Options

Condition	Used
Usage	69,000 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
Stock Number	2563
MLS Number	13496114
Category	Water Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(702) 452-___ SHOW
NUMBERCall Seller

2023 Freightliner M2 112 4000 Gallon Water Truck - Detroit 450HP, Super 10 Speed Automatic

$129,000 USD

Brand new conversion,

Condition	Used
Usage	69,340 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Super 10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	2653
MLS Number	13677804
Category	Water Trucks
Last Updated	11/13/2025
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(702) 452-___ SHOW
NUMBERCall Seller

2023 Freightliner M2 112 4000 Gallon Water Truck - Detroit 450HP, 12 Speed Automatic

Contact for price

we can customize your needs please call Ramiro,

Condition	Used
Usage	90,005 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	2556
MLS Number	13785078
Category	Water Trucks
Last Updated	11/13/2025
Location	North Las Vegas, NV, US
Sold By	TCI Transportation