AP4 CLASSIC XTREME Series

Built For Severe Fouling Conditions

 

In scaling wells and high-solids environments, buildup doesn’t just reduce performance — it shuts operations down.

Frequent cleaning cycles, clogged internals, excessive technician intervention, and repeated service calls create:

• More downtime
• More labor costs
• More site visits
• Less predictable operation

AP4 CLASSIC XTREME is engineered specifically to reduce solids buildup and maintain operation longer in severe fouling conditions.

The result:
More runtime. Fewer interruptions. Reduced operational frustration.

 

Why AP4 CLASSIC XTREME

 

Proven 

Field-tested in severe landfill, remediation, and industrial environments where scaling, sludge, sticky leachate, and solids routinely shut down conventional pumps.

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Simple

Designed to be cleaned quickly — not constantly rebuilt. Fewer adjustments. Faster cleaning. Simplified ownership.

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Reliable

Longer runtimes between maintenance events help reduce downtime, minimize technician intervention, and improve operational predictability.

 

Built To Be Cleaned — Not Constantly Torn Down

Scaling and fouling environments destroy uptime when pumps require repeated rebuilds and constant service interruptions.

AP4 CLASSIC XTREME is engineered to simplify routine cleaning and reduce true maintenance events.

A new standard:
Cleaning ≠ Maintenance

For decades, the industry treated every service event like a rebuild.

AP4 CLASSIC XTREME changes that.

It’s designed to:

• Stay operational longer
• Reduce premature buildup
• Simplify routine cleaning
• Minimize unnecessary teardown

 

Routine Cleaning

(Regular, Recommended)

Designed to remove buildup quickly and return the pump to operation fast.

Typical cleaning includes:

• Water rinse
• Light wipe-down
• Minimal disassembly
• Fast return to service

Typically completed in significantly less time than a full rebuild cycle.

 

True Maintenance/ Rebuild

(Occasional, Not Routine)

Reserved for:

• Actual component wear
• Damage
• End-of-life service intervals

Not intended to be part of routine operation.

 

Why this matters

Treating every service event like a rebuild creates unnecessary downtime, increases labor, and can shorten pump life.

AP4 CLASSIC XTREME is built for fast, routine cleaning—not constant teardown.

✅ Recommended: Basic Cleaning Kit

 

What Makes the CLASSIC XTREME Different

 

Extreme Solids Handling

Designed with increased internal clearances and the exclusive XTREME auger to help reduce premature buildup in severe scaling and fouling environments.

Built to keep operating longer in wells where conventional pumps frequently clog or seize.

 

Longer Runtime

Non-stick internal finishes and high-clearance internal geometry help reduce buildup from sludge, scaling, sticky leachate, and solids.

Designed for applications where standard pumps require constant cleaning.

 

Targeted Durability Upgrade

A welded lever pin enhances reliability compared to traditional press-fit designs.

 

Ideal Applications

 

AP4 CLASSIC XTREME is ideal for:

• Severe scaling wells
• Sticky leachate environments
• High-solids landfill systems
• Fouling-prone remediation wells
• Sludge-heavy applications
• Difficult industrial fluid environments
• Wells with repeated clogging or excessive cleaning frequency

Pump fittings sold separately.

 

Part of the AP4 CLASSIC Series

 

AP4 CLASSIC XTREME is part of a complete pump lineup built for harsh environments and simplified ownership.

Choosing the right pump

• Standard harsh conditions → AP4 CLASSIC Ultra
• High temperature → AP4 CLASSIC HI‑TEMP
• Extreme solids/fouling → AP4 CLASSIC XTREME
• Controlled flow → AP4 CLASSIC LTD

 

Specifications (Summary)

• Diameter: 3.6 in (9.1 cm)
• Maximum depth: 250 ft (76 m)
• Air pressure range: 5–120 psi
• Maximum flow: up to 14 gpm (depending on model)

Common Models:
303211CX, 303276CX, 303269CX, 303312CX

👉 Download the full technical data sheet for complete specifications and compatibility details.

 

FAQs

 

What makes XTREME different from standard Ultra?

XTREME is engineered specifically for severe scaling, fouling, sludge, and high-solids environments where standard pumps require excessive cleaning or frequent shutdowns.

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What is the XTREME auger?

The exclusive XTREME auger helps reduce premature buildup and improve operation in scaling and solids-heavy wells.

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Is XTREME designed for routine cleaning or frequent rebuilds?

XTREME is designed to simplify routine cleaning and reduce true maintenance events — helping minimize unnecessary rebuild cycles.

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Is XTREME available for high-temperature applications?

Yes. XTREME configurations are available within the AP4 CLASSIC HI-TEMP lineup for severe thermal environments.

 

Get more uptime with less wrench time

• Request a Quote
• Download the Data Sheet

Engineered & Assembled in Dexter, Michigan, USA.

 

What reliability actually feels like

• Fewer “drop everything” calls
• Less time troubleshooting pumps
• More predictable operations
• Confidence your system is running—even when you’re not there

 

 

• 316 stainless-steel vortex inducing auger
• Proprietary non-stick finishes on float and discharge tube to reduce solids buildup
• 100% air-powered operation
• Corrosion-resistant 316-grade stainless steel metallic parts
• Reliable air control mechanism
• Functions under positive or negative (vacuum) pressure environments
• Does not require clean dry air to function properly and pumps particles up to 1/8 inch in diameter
• The AutoPump air valves can pass 90 weight oil without fouling.
• 5 Year Warranty

• Field tests have shown that the AutoPump® Ultra Xtreme will last up to 10 times longer between service events over the industry leading AP4 Ultra. Tested in the most severe applications
• Cleans in up to 70% less time than control group, determined by field tests
• Simple disassembly with no fasteners and no cotter pins
• Reduced service requirements redirects labor to other tasks
• Increase landfill gas extraction rates.
• Reduced risk of liquid leakage through liners and side slope failures.
• Lower rates of odors and non-methane organic compounds
• AutoPumps require no surface timer-based controllers, bubblers or sensors in the well to operate.