6 Speed 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

(844) 445-___ SHOW
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2011 MACK CXU613 PINNACLE WATER Truck, Tandem Axle, 4,000 lb. Water Tank Body and Spray Bars.

Recently Updated

$59,400 USD

Blow-out, Sale Cash ~ Deal Ends April 24 th 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 Trans...

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	4/16/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(844) 476-___ SHOW
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2025 Freightliner M2 106 Water Truck - Cummins 325HP

Recently Updated

$165,990 USD

The brand-new Freightliner M2106 6x4 with a Load King 4000-gallon water tank is a powerful and versatile solution for water transport and distribution. Powered by a 325 HP Cummins 6.7L...

Condition	New
Usage	14 Miles
Horse Power	325 HP
Engine Model	Cummins 6.7L D
Drivetrain	6x4
Transmission	6 Speed
Rear End	40,000 lb
Stock Number	SDWA2498
MLS Number	13976589
Category	Water Trucks
Last Updated	4/16/2026
Location	Denver, CO, US
Sold By	Custom Truck One Source

(855) 984-___ SHOW
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2025 Kenworth T480 4000 Gallon Water Truck - Paccar 350HP, 6 Speed Allison Rds Automatic

Recently Updated

$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

(954) 523-___ SHOW
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2025 Kenworth T480 4000 Gallon Water Truck - Paccar 350HP, 6 Speed Allison Rds Automatic

Recently Updated

$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

(844) 476-___ SHOW
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2025 Freightliner M2 106 Water Truck - Cummins 325HP

$165,990 USD

The brand-new Freightliner M2106 6x4 with a Load King 4000-gallon water tank is a powerful and versatile solution for water transport and distribution. Powered by a 325 HP Cummins 6.7L...

Condition	New
Horse Power	325 HP
Engine Model	Cummins 6.7L D
Drivetrain	6x4
Transmission	6 Speed
Rear End	40,000 lb
Stock Number	SDWA2519
MLS Number	13976596
Category	Water Trucks
Last Updated	3/31/2026
Location	Denver, CO, US
Sold By	Custom Truck One Source

(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

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

(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

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

(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

(844) 476-___ SHOW
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2025 Freightliner M2 106 Water Truck - Cummins 325HP

$165,990 USD

The brand-new Freightliner M2106 6x4 with a Load King 4000-gallon water tank is a powerful and versatile solution for water transport and distribution. Powered by a 325 HP Cummins 6.7L...

Condition	New
Horse Power	325 HP
Engine Model	Cummins 6.7L D
Drivetrain	6x4
Transmission	6 Speed
Rear End	40,000 lb
Stock Number	SDWA2529
MLS Number	13976604
Category	Water Trucks
Last Updated	11/11/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

(833) 704-___ SHOW
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2025 2026 Kenworth T480 Water Truck - UnitedBuilt 4000-5000 Gallon Tank Body

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** IN PRODUCTION CONTACT FOR AVAILABILITY **, UnitedBuilt 4000-5000 Water Truck, New Kenworth T480, PX-9 330HP, Allison 3500-RDS Automatic 6-Speed, New Kenworth Factory Warranty. ** NOTE:...

Warranty

Condition	New
Duty Class	Heavy Duty Water Truck
Upfit Type	Tank Body
Upfit Make	UnitedBuilt
Horse Power	330 HP
Engine Model	Paccar PX-9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tandem Axle
Rear End	46,000 lb 6.14 ratio
MLS Number	10042192
Category	Water Trucks
Last Updated	8/29/2025
Location	Phoenix, AZ, US
Sold By	United Truck & Equipment, Inc.