Precision Engineered Fluid Ends

Vulcan’s fluid end technology leads the industry, combining cutting-edge engineering with advanced metallurgy. Built with Advanced Stainless™ Steel, our products are designed to excel in the harshest conditions—lasting longer, performing better, and delivering more in every run.

New

Q2500 V-SERIES MAX

The new Q2500 V-Series Max features a reimagined front access cover for easier access, quick cap for reduced seal in replacement time, and a Knuckle Thread packing nut with an automatic locking system. It’s innovative engineering that improves your overall cost of ownership and makes maintenance easier. Put simply, it’s designed based on your specific input – the way it should be.

  • Q2500: QWS2500 52”, 8” stroke, 10” center, frac pumps

  • Q2500-60”: QWS2500 and QWS3000 60”, 8” stroke, 12” center, frac pumps

Available in 4" and 4.5"

Flange design enables direct drop-in replacement with industry-standard stay rods.

Improved Modular suction cover retainer system

Proprietary machining practices and surface treatments that extend life

High-performance Advanced Stainless™ Steel mono-block forging

  • Larger bolt circle improving FE Life

  • Socket headed cap screws for improved maintainability

  • 2" hex

  • Eliminates seized threads and damaged fluid end threads

  • Patented Knuckle Thread packing nuts and Quick-lock packing lock

  • Eliminates stuck packing nuts and thread peel

  • Locks system that is integrated to the block, and can lock automatically

  • Patented quick cap allowing for extremely fast and safe suction cap seal change

  • 2” thick, 8 stud discharge flanges

  • Most industry connections available

  • Sleeved and non-sleeved packing bore models are available

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Q2500

Designed for optimum longevity and field serviceability, the Q2500 and Q2500-60” deliver ultimate value in the field, decreasing downtime and total cost of ownership.

  • Q2500: QWS2500 52”, 8” stroke, 10” center, frac pumps

  • Q2500-60”: QWS2500 and QWS3000 60”, 8” stroke, 12” center, frac pumps

  • T2250: TWS2250 40” fluid end, 12” centers

Available in 4" and 4.5"

Traditional flange design allows for direct drop-in replacement with industry-standard stay rods.

Modular suction cover retainer system

Proprietary machining practices and surface treatments that extend life

High-performance Advanced Stainless™ Steel mono-block forging

  • 2" hex

  • Eliminates seized threads and damaged fluid end threads

  • 2” thick, 8 stud discharge flanges Most industry connections available

  • Sleeved and non-sleeved packing bore models are available

Q2700

The latest innovations in fluid end technology allow the Q2700 to deliver longer life and greater efficiency—all with ease of operation and maintenance. That’s because the engineers at Vulcan have focused on simple, low-stress geometry coupled with field replaceable packing bore components.

QWS2700 10" stroke, 10.5" center

Direct drop-in replacement with industry standard stay rods

All consumable components are industry standard

Available in 4" and 4.5"

Proprietary machining practices and surface treatments that extend life

High-performance Advanced Stainless™ Steel mono-block forging

  • Modular suction cover retainer system

  • 3" hex

  • Eliminates seized threads and damaged fluid end threads

  • Patented, field replaceable stuffing box packing bore design

  • Modular Suction

  • 2” thick, 8 stud discharge flanges. Most industry connections available

  • Bolt-on stuffing box packing bore model available

Q3000 & Q5000

The Q3000 & Q5000 combine enduring reliability with intelligent economization needed by today’s demanding industry. The Q3000 also pairs simplicity and repairability with a field replaceable modular packing bore that has no in-bore seal.

Direct drop-in for QEM3000 and QEM5000 8" stroke, 12” center

Direct drop-in replacement with no truck modifications needed

All consumable components are industry standard

Available in 5" and 5.5"

Modular suction cover retainer system

Proprietary machining practices and surface treatments that extend life

High-performance Advanced Stainless™ Steel mono-block forging

  • 3" hex

  • Eliminates seized threads and damaged fluid end threads

  • Patented, field replaceable stuffing box packing bore design

  • Modular

  • Stud and nut design fasteners (versus socket head)

  • Robust, 2” thick, 8 stud discharge flanges. Most industry connections available

T3000

The T3000 is a product of the most powerful advancements in fluid end engineering, granting longer life, smoother operation and maximum efficiency. Its design centers around retainer nut modularity with a simple non-sleeve, non-seal packing bore that makes maintenance fast and easy.

Direct drop-in for GD3000 11" stroke, 14” center

Direct drop-in replacement with no truck modifications needed

All high-change out components are industry standard

Available in 4.5” and 5”

Modular suction cover retainer system

Proprietary machining practices and surface treatments that extend life

High-performance Advanced Stainless™ Steel mono-block forging

  • 3" hex

  • Eliminates seized threads and damaged fluid end threads

  • Robust, 2” thick, 8 stud discharge flanges. Most industry connections available

In-Stock Replacement Parts

Vulcan keeps a large inventory of replacement parts in your area of operation to keep you ready for anything.

Contact Us

On-site replacement parts via consignment so you always have what you need.