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Built for Tight Spaces

Pit Bull® 500 Series II

6" IPS - 20" OD (160mm - 500mm)

Rugged and reliable, the Pit Bull 500 Series II was built for jobsites where wheeled or tracked vehicles are not needed. Ready for the ditch or any other tight space, the Pit Bull 500 is as tough as they come.

The Pit Bull 500 carriage incorporates McElroy's patented Centerline Guidance System, serrated jaws and inserts and 3- or 4-jaw carriage flexibility.



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  Pit Bull® 500 Series II
4-Jaw Carriage 390 lbs (176.9 Kg)
3-Jaw Carriage 289 lbs (131.1 Kg)
Facer 84 lbs (38.1 Kg)
6" IPS - 12" DIPS Heater 28 lbs (13 Kg)
12" IPS - 20"OD Heater 39 lbs (17.7 Kg)
Hydraulic Power Unit (HPU) 390 lbs (176.9 Kg)
Shipping Weight 645 lbs (293 Kg)

Print Specifications


  Pit Bull® 500 Series II
Butt Fusion Heater 4000 Watt
Facer Power Hydraulic
Minimum Power Requirements 4 kW
Plug Type C
Hydraulic Power Unit (HPU) Power Requirements 5.2 kVA / 4.5 kW

Print Specifications


  Pit Bull® 500 Series II
Frame Welded steel construction

Print Specifications

  Pit Bull® 500 Series II Hydraulic Power Unit (HPU)
  Machine Shipping Container  
Length 40" (1,016 mm) 62" (1,575 mm) 48" (1,219 mm)
Width 39" (991 mm) 40" (1,016 mm) 32.5" (826 mm)
Height 36" (914 mm) 57" (1,448 mm) 41" (1,036 mm)

Print Specifications


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Featured Replacement

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 Facer Blade Set

Includes 6 blades, screws and wrench.

T5005006 - Standard blades
T5005006C - Extended-life blades
T5005007T - Carbide 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" - 12"
AT5008007 - 12" - 20"

Spare 6" - 12" Heater

Microprocessor-controlled with dial thermometer to monitor temperature. Includes heater plates, insulated heater stand and stripper bars. Not included with machine package.


Spare 12" - 20" Heater

Microprocessor-controlled with dial thermometer to monitor temperature. Includes heater plates, insulated heater stand and stripper bars.


Butt Fusion & Mitered Insert Sets

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

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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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MegaMc® Rollers

Reduce the drag on 12" IPS to 54" IPS pipe and protect the pipe from damage.


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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.


25' Heater Extension Cord

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


Spare Facer Stand

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


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.


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