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American General Water Trucks For Sale

Shop American General water trucks for hauling and site dust control. Compare military-grade 6x6 chassis, tank sizes, drivetrains, and setup details.

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1 Listings
Six-wheeled white military water tanker truck with a large cylindrical tank labeled WPO? POTABLE WATER, attached to a long chassis and a square cab.
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Used • Water

1986 American General M923A1

3,333 mi
Contact for Price
Humboldt, Iowa (620 mi away)
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Have american general water truck to sell? List it here to reach thousands of buyers.

About American General Water Trucks

American General water trucks are best known for military-based chassis adapted for water hauling, dust suppression, fire support, and remote jobsite service. A common example is the M923A1 platform, a heavy-duty 6x6 truck built for rough terrain and severe-duty use. These trucks appeal to buyers who need off-road mobility, high ground clearance, and a rugged drivetrain more than highway speed or modern cab amenities. In the water truck market, that makes them a practical fit for construction sites, aggregate operations, land clearing, oilfield access roads, and municipal or emergency use in undeveloped areas.

The first buying decision is usually the chassis configuration and tank setup. Many American General water trucks are built on ex-military 6x6 platforms with central weight distribution and strong traction in soft ground, uneven haul roads, and steep grades. Tank capacity varies by upfit, and some trucks carry removable tanks, which can add flexibility for mixed-use fleets. Buyers should confirm tank material, baffling, pump type, spray heads, hose reels, and whether the plumbing is set up for dust control, watering, or transfer duty. On older units, condition matters more than model year. Pay close attention to tank mounting, frame integrity, PTO operation, pump seals, plumbing leaks, and any corrosion inside the tank or around spray components.

Powertrain specs can vary, but many American General trucks in this class use Cummins diesel engines paired with automatic transmissions and heavy axles designed for load-carrying in harsh service. Because these are often military-derived trucks, parts availability should be evaluated by chassis system. Engine and drivetrain support can be straightforward when built around common commercial components, while cab, brake, electrical, and military-specific hardware may require more specialized sourcing. Tire condition is also important on 6x6 water trucks because replacement cost across all drive positions adds up quickly, especially with off-road tread designs and mixed terrain use.

A buyer comparing American General water trucks should think in terms of job match rather than just gallon capacity. An off-road site truck has different priorities than a unit expected to travel longer paved routes between fills. Check axle ratings, gross vehicle weight capacity, wheelbase, turning radius, and overall dimensions to make sure the truck fits the work zone and water source access points. If the truck will operate in regulated on-road service, verify lighting, braking, registration requirements, and any changes made from its original military configuration. For the right application, an American General water truck offers durable off-road performance and simple heavy-duty design that can still make sense for buyers who value traction, robustness, and field-serviceability.

Frequently Asked Questions

1

What are American General water trucks commonly used for?

American General water trucks are commonly used for dust control, soil compaction support, construction site watering, fire suppression support, and hauling water to remote locations. Their military-based 6x6 chassis makes them especially useful on rough terrain where a standard on-road water truck may struggle for traction or ground clearance.

2

Are American General water trucks good for off-road jobsite use?

Yes, this is one of their main strengths. Many American General water trucks are built on heavy-duty 6x6 platforms that perform well on loose surfaces, unimproved roads, and uneven ground. Buyers who work in quarries, land development, pipeline construction, logging roads, or remote industrial sites often look at these trucks because the chassis is designed for harsh operating conditions.

3

What should I inspect on a used American General water truck?

Focus on the tank, pump, plumbing, and chassis as separate systems. Inspect the tank for internal corrosion, poor repairs, cracked mounts, and proper baffling. Check pump engagement, PTO function, spray nozzles, valves, and hose reel operation. On the truck itself, inspect frame condition, driveline components, axle seals, brake system condition, electrical wiring, and tire wear. On older ex-military units, maintenance history and evidence of proper conversion work are especially important.

4

Do tank size and removable tank design matter when buying?

Yes. Tank size affects payload, axle loading, operating range, and how the truck handles when full or partially full. A removable tank can make the chassis more versatile for buyers who may want to repurpose the truck, but the mounting system and plumbing connections need to be inspected carefully. Proper baffling is also critical because water surge can affect braking and stability.

5

Are parts easy to find for American General water trucks?

Parts availability depends on which systems are still military-specific and which are based on common commercial components. Engines such as Cummins diesels and some drivetrain components may be easier to support than cab hardware, electrical items, or specialized chassis parts. Before buying, it is smart to identify the exact engine, transmission, axle configuration, brake components, and water system equipment so you can confirm service and parts support.