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Built for Tight Spaces

Pit Bull® 618

6" IPS - 18" OD (160mm - 450mm)

Rugged and reliable, the Pit Bull 618 was built for jobsites where wheeled or tracked vehicles are not needed. Ready for the ditch or any other tight space, the Pit Bull 618 is as tough as they come.

The machine is compact while retaining many of McElroy's popular features including the patented Centerline Guidance System for equal distribution of force around the joint.



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  Pit Bull® 618
4-Jaw Carriage 445 lbs (202 Kg)
3-Jaw Carriage 350 lbs (158 Kg)
Facer 91 lbs (41.3 Kg)
6" IPS - 12" DIPS Heater 28 lbs (13 Kg)
12" IPS - 18" OD Heater 34 lbs (15.4 Kg)
Hydraulic Power Unit (HPU) 390 lbs (176.9 Kg)
Shipping Weight 690 lbs (313 Kg)

Print Specifications


  Pit Bull® 618
Butt Fusion Heater 3000 Watt
Facer Power Hydraulic
Minimum Power Requirements 3 kW
Plug Type C
Hydraulic Power Unit (HPU) Power Requirements 5.2 kVA / 4.5 kW

Print Specifications


  Pit Bull® 618
Frame Welded steel construction

Print Specifications

  Pit Bull® 618 Hydraulic Power Unit (HPU)
  Machine Shipping Container  
Length 44" (1,118 mm) 60" (1,524 mm) 48" (1,219 mm)
Width 44" (1,118 mm) 53" (1,346 mm) 32.5" (826 mm)
Height 33" (838 mm) 35" (889 mm) 41" (1,036 mm)

Print Specifications


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Featured Article

Selecting the Right Machine

The fusing of thermoplastic pipe results in a leak-free and corrosive-resistant system that is becoming the preferred choice for replacing conventional piping systems that are failing across the country.

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Parts & Accessories

Click on a part number for ordering information.

Hydraulic Power Unit (HPU)

Includes extension hoses and lifting assembly.

T1810901 - 240V, 60Hz, 1Ph
T1810902 - 220V-240V, 50/60Hz, 3Ph

Spare 4.63" Facer Blade Set

Includes 6 blades, screws and wrench. Must be repositioned for different pipe sizes.

T1208603 - Standard blades
T1208603C - Extended-life blades
T1208603T - Carbide blades

Spare 9.12" Facer Blade Set

Includes 6 blades, screws and wrench. Spans entire facer range without repositioning.

T1812602 - Standard blades
T1812602C - Extended-life blades

Spare Heater Plate Kit

Set of two plates with anti-stick coating required for butt fusion. Kit includes attaching screws and wrench.

A1242108 - 6" IPS - 12" DIPS
A1852013 - 12 " IPS - 18" OD

Butt Fusion & Mitered Insert Sets

Surface hardened for longer life and are serrated for maximum grip.

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Spare Facer Stand

Provides a convenient place to protect and store your facer out of the dirt and mud.


Spare 6" IPS - 12" DIPS Heater

Microprocessor-controlled with dial thermometer to monitor temperature.

1855502 - 220-240V, 50/60Hz, 1 Ph

Spare 12" IPS - 18" OD Heater

Microprocessor-controlled with dial thermometer to monitor temperature.

1852019 - 220-240V, 50/60Hz, 1 Ph

Heater Stand

Holds heater for easier carrying and protection. Helps maintain constant temperature.


Pipe Support Stand

Adjustable pipe stand to properly support, position and align pipe to be fused.

AT5066701 - Manual adjustment
AT5066702 - Hydraulic (no pump)
AT5066703 - Hydraulic & pump kit

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Low Profile Rollers

Reduces the drag on 4" to 18" pipe and protects the pipe from damage. Case includes 40 complete roller assemblies.


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A pipe-handling system that consists of a series of adjustable racks to store and help install the pipe on the job site.

1875502 - PolyHorse with PowerAssist
1875501 - Standard PolyHorse

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DataLogger® 6

Record and document fusion process parameters.

DL18001 - English, Spanish

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Stub End Holder

Self-centering stub end holder to hold stub end for butt fusion.


Hot Tap Tool

Branch saddle tapping tool for polyethylene pipe.

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Split Heaters

Used for fusing outer pipe of a dual-containment system

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Spreader Bar

Ideal for handling 40' bundles or a single joint of pipe.

8261000-0101 - 3,000 lbs. maximum
8261000-0201 - 6,000 lbs. maximum

External Bead Remover

Trim the bead created during the fusion process.

1221101 - For 1 ¼" to 6" IPS pipe
1810102 - For 4" IPS to 18" OD pipe
1221601 - Extra blades for 1221101
1221603 - Extra blades for 1810102

Pyrometer Kit

Accurately check surface temperatures of heater.


25' Hydraulic Extension Hoses

Set of four 25' Hydraulic extension hoses required for in-ditch fusion. Extension hoses are included with Pit Bull HPU.


25' Heater Extension Cord 240V

For use with non-automated machines when fusing in-ditch. Plug Type C .


Heat Shield

For fusing two materials with different melt rates. Shields the faster melt rate materials from over-melting.