Heavy Duty 6 Speed Automatic Water Trucks For Sale

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

$127,000 USD

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	5/21/2026
Location	Denver, CO, US
Sold By	DTI Trucks

2020 Freightliner M2 106 4000 Gallon Water Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

$119,500 USD

2020 Freightliner M2-106 Tandem Axle 4,000 Gallon Water Truck, 8.9L Cummins L9 Diesel Engine, 300 HP, Exhaust Brake, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 27,499 ECM Verified...

Condition	Used
Usage	27,561 Miles
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	300 HP
Engine Model	Cummins L9
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Capacity	4000 Gallons
Stock Number	T17926D
MLS Number	14377891
Category	Water Trucks
Last Updated	5/19/2026
Location	Denver, CO, US
Sold By	DTI Trucks

2020 International HV 4000 Gallon Water Truck - Cummins 350HP, 6 Speed Allison Rds Automatic

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2020 International HV607 Tandem Axle 4,000 Gallon Water Truck, Cummins L9 8.9L Turbo Diesel Engine, 350 HP, Exhaust Brake, Allison 6 Speed Automatic Transmission, ONLY 28,128 Miles, 5,382...

Condition	Used
Usage	5,382 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	350 HP
Engine Model	Cummins L9
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Capacity	4000 Gallons
Stock Number	T17959D
MLS Number	14373305
Category	Water Trucks
Last Updated	5/15/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 305-___ SHOW
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2013 Freightliner M2 106 4000 Gallon Water Truck - Cummins 350HP, 6 Speed Allison Rds Automatic

$79,500 USD

Tandem, 4,000 Gallon Diversified Fabricators Water Tank, POWERRUSH GP6500 Generator, ISC Cummins 350 HP, Allison Automatic 6 Speed, Exhaust Brake, 5.29 Ratio, TufTrac, Double Frame, 16K FA,...

Condition	Used
Usage	7,457 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	DIVERSIFIED FABRICATORS
Horse Power	350 HP
Engine Model	Cummins ISC350
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	DHFE3928
MLS Number	14229693
Category	Water Trucks
Last Updated	5/15/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

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

$37,500 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	5/15/2026
Location	Cedar City, UT, US
Sold By	SellBuyAuction

2023 International MV 2000 Gallon Water Truck - Cummins 240HP, 6 Speed Automatic

$100,000 USD

The 2023 International MV is a medium duty vocational and cab and chassis truck designed to handle a wide range of commercial applications with strong powertrain options and flexible...

Condition	Used
Usage	42,675 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	240 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Capacity	2000 Gallons
Stock Number	2677
MLS Number	14360348
Category	Water Trucks
Last Updated	5/9/2026
Location	Humble, TX, US
Sold By	TCI Transportation

2023 International MV 2000 Gallon Water Truck - Cummins 240HP, 6 Speed Automatic

$100,000 USD

The 2023 International MV is a medium duty vocational and cab and chassis truck designed to handle a wide range of commercial applications with strong powertrain options and flexible...

Condition	Used
Usage	42,675 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	240 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Capacity	2000 Gallons
Stock Number	#2677
MLS Number	14120285
Category	Water Trucks
Last Updated	5/9/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

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	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	5/7/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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

$259,995 USD

For a limited time, qualifying HD and MD trucks equipped with a PACCAR MX engine may be eligible for financing as low as 6.99% APR through PACCAR Financial. Offer expires May 31, 2026, and...

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	5/9/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

(833) 780-___ SHOW
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2020 Freightliner M2 106 4000 Gallon Water Truck - Cummins 350HP, 6 Speed Allison Rds Automatic

$129,500 USD

NOT ACTUAL PHOTOGRAPH!! INCOMING UNIT, WILL PRESELL, WE HAVE ONE ON THE GROUND AND THIS ONE INCOMING, ASK ABOUT PACKAGE DISCOUNTS!!!,

Condition	Used
Usage	5,000 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	350 HP
Engine Model	Cummins L9
Drivetrain	6x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	LJ1248
MLS Number	14345225
Category	Water Trucks
Last Updated	5/13/2026
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

(833) 780-___ SHOW
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2020 Freightliner M2 106 4000 Gallon Water Truck - Cummins 350HP, 6 Speed Automatic

$129,550 USD

Back from detail and ready for immediate delivery!!! the season is here!!! act now before prices go up!!!! 2020 FL M2 Business Class, 4,000 gallon water truck. Cummins L9, Allison 3000RDS...

Condition	Used
Usage	6,094 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	350 HP
Engine Model	Cummins L9
Drivetrain	6x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	LJ1356
MLS Number	14155928
Category	Water Trucks
Last Updated	5/13/2026
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

2023 International MV 2000 Gallon Water Truck - Cummins 240HP, 6 Speed Allison Rds Automatic

$99,000 USD

Brand New Conversion, New Tank and Water System, Cummins Diesel Contact: ED Gibbs,

Condition	Used
Usage	45,394 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	240 HP
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Capacity	2000 Gallons
MLS Number	14302871
Category	Water Trucks
Last Updated	4/10/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

2020 Freightliner M2 106 4000 Gallon Water Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

Contact for price

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) 244-___ SHOW
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2019 Freightliner M2 106 4000 Gallon Water Truck - 220,652 Miles - Automatic - Cummins - Allison - New Tank

$87,500 USD

2019 FREIGHTLINER M2 4000 GALLON WATER TRUCK - 220,652 Miles - Cummins L9 330 HP - Allison 3000RDS Automatic - GVWR: 52,000 lbs. - Ratio: 5.22 - Power Windows/Power Locks - New 4000 Gallon...

Condition	Used
Usage	220,652 Miles
Duty Class	Heavy Duty Water Truck
Upfit Type	Water Tank Body
Horse Power	330 HP
Engine Model	Cummins Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	5.22 ratio
Capacity	4000 Gallons
Compartments	3
Stock Number	KU2065
MLS Number	14278840
Category	Water Trucks
Last Updated	5/10/2026
Location	New Boston, TX, US
Sold By	Trademark Truck Sales

2023 International MV 2000 Gallon Water Truck - Cummins 240HP, 6 Speed Automatic

$100,000 USD

The 2023 International MV is a Class 7 medium-duty truck that stands out in the used truck market for its versatility, reliability and driver-focused design, making it an excellent choice...

Condition	Used
Usage	42,675 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	240 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Capacity	2000 Gallons
Stock Number	2677
MLS Number	14229650
Category	Water Trucks
Last Updated	3/26/2026
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(833) 780-___ SHOW
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2020 Freightliner M2 106 2000 Gallon Water Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

$79,900 USD

Back from detail and ready to roll!! Prices WILL go up later in the season, grab this before they do!!,

Condition	Used
Usage	8,122 Miles
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	300 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Capacity	2000 Gallons
Stock Number	LJ1877
MLS Number	14153384
Category	Water Trucks
Last Updated	5/13/2026
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

2023 International MV 2000 Gallon Water Truck - Cummins 240HP, 6 Speed Automatic

$99,000 USD

2023 International MV medium‑duty truck built for versatile vocational use including delivery towing utility and dump applications, Proven Cummins diesel engine options providing reliable...

Condition	Used
Usage	42,675 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	240 HP
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Capacity	2000 Gallons
Stock Number	2677
MLS Number	14082901
Category	Water Trucks
Last Updated	3/24/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

(855) 804-___ SHOW
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2007 Sterling LT7500 4000 Gallon Water Truck - Caterpillar 275HP, 6 Speed Allison Tc10 Automatic

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2007 Sterling LT7500 --- Tandem Axle, C7 Caterpillar 275 HP, Allison Automatic, 6.43 Ratio, 13,300 Front Axle, 40,000 Rear Axle, 191" Wheelbase, 18' 1" Bridge, Hendrickson Walking Beam, Air...

Condition	Used
Usage	183,257 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	275 HP
Engine Model	Caterpillar C7
Transmission	6 Speed Allison TC 10 Automatic
Suspension	Walking Beam
Rear Axle	Tandem Axle
Rear End	40,000 lb 6.43 ratio
Capacity	4000 Gallons
Stock Number	Y24738
MLS Number	14240747
Category	Water Trucks
Last Updated	3/12/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 977-___ SHOW
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2009 Peterbilt 365 6x6 Water Truck

$132,500 USD

Retirement Sale - Low Mileage Peterbilt 6x6 Water Truck, 203" WB Cummins ISL, Allison Automatic Trans 4500RDS-P - just rebuilt Front Axle - MT22-H Planetary, Rear Axles DSP41 w/ Full lockers...

Condition	Used
Usage	6,730 Hours
Duty Class	Heavy Duty Water Truck
Engine Model	Cummins ISL
Drivetrain	6x6
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	41,000 lb 6.17 ratio
Capacity	3600 Gallons
MLS Number	12782082
Category	Water Trucks
Last Updated	10/6/2025
Location	Newark, CA, US
Sold By	Seattle Tractor International, Inc.

(844) 611-___ SHOW
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2018 International DuraStar 4300 2000 Gallon Water Truck - Cummins 200HP, 6 Speed Allison Rds Automatic

$68,900 USD

13444 Miles, 3377 Hours, Engine: CUMMINS ISB6.7, 200 HP, Fuel Type: Diesel, 6 Speed Allison RDS Automatic Transmission, Spring Suspension, Wheels: All Steel, Wheel Base: 163, Single Rear...

Condition	Used
Usage	3,377 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	200 HP
Engine Model	Cummins ISB6.7
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	20,000 lb 5.57 ratio
Capacity	2000 Gallons
Stock Number	GW25019
MLS Number	13560379
Category	Water Trucks
Last Updated	8/6/2025
Location	Rigby, ID, US
Sold By	Grover's All-Wheels, LLC

(833) 495-___ SHOW
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2001 Freightliner FL80 4000 Gallon Water Truck - Cummins 285HP, 6 Speed Automatic

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2001 FREIGHTLINER FL-80 HEAVY SPEC , WITH NEW MAVERICK 4,000 GALLON WATER SYSTEM , VIN: 1FVXJCB71DH36512 , CUMMINS ISC 6 CYL DIESEL @ 285 HP, , 6 SPEED ALLISON AUTO...

Condition	Used
Usage	93,067 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	285 HP
Transmission	6 Speed Automatic
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	44,000 lb
Capacity	4000 Gallons
MLS Number	13297076
Category	Water Trucks
Last Updated	4/8/2025
Location	Chandler, AZ, US
Sold By	Maverick Equipment LLC

(833) 495-___ SHOW
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2011 Ford F-750 Water Truck - Cummins 250HP, 6 Speed Automatic

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Fleet Maintained! Comes with New Maverick 2,000 Gallon Water System / Hydraulically Driven Water Pump. 4X3 750 GPM Berkley Pump. 6 Cab Controlled Sprays 2/Front, 2/Side, 2/Rear. Suction...

Condition	Used
Usage	152,094 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	250 HP
Transmission	6 Speed Automatic
Suspension	Air Ride
MLS Number	12552642
Category	Water Trucks
Last Updated	12/11/2024
Location	Chandler, AZ, US
Sold By	Maverick Equipment LLC