Ditch Witch® Brand Transmitter Housings
©2013 Drillhead, Inc. HDD Tools and Horizontal Directional Drill Bits. All rights reserved. No re-use or distribution of any content.
Ditch Witch®, All Terrain® and Rockmaster® are registered trademarks of The Charles Machine Works Inc.
Vermeer® is a registered trademark of Vermeer Manufacturing Company Inc.
American Augers® is a registered trademark of American Augers Inc.
THREAD CONNECTIONS
BOLT-ON CONNECTIONS
Virtually All Thread-On Style Transmitter Housings Require 1 of these 5 Pins.
3 Measurements Of Your Housing Can Determine Which Pin You Need.
2” IF Pin
Small Dia. of Pin = 1 9/16”
Large Dia. of Pin = 2”
Length of Pin = 2 1/2”
Threads per inch = 4
2 3/8” API Reg. Pin
Small Dia. of Pin = 1 7/8”
Large Dia. of Pin = 2 5/8”
Length of Pin = 3”
Threads per inch = 5
2 7/8” API Reg. Pin
Small Dia. of Pin = 2 1/8”
Large Dia. of Pin = 3”
Length of Pin = 3 1/2”
Threads per inch = 5
3 1/2” API Reg. Pin
Small Dia. of Pin = 2 9/16”
Large Dia. of Pin = 3 1/2”
Length of Pin = 3 3/4”
Threads per inch = 5
4 1/2” API Reg. Pin
Small Dia. of Pin = 3 9/16”
Large Dia. of Pin = 4 5/8”
Length of Pin = 4 1/4”
Threads per inch = 5
JT520, JT5
DW - 3-Bolt - (12mm)
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3.25” dia. - HD Universal Housing (Part# 908-1690)
2 3/8” (2.375”) API Reg Box
2” dia. Dirt Housing (Part # 369-161)
JT520, JT5
DW - 3-Bolt - (12mm)
2” dia. Dirt Housing (Part # 400-1434)
JT920, JT920L, JT9201, JT921S, JT922
2.25” dia. Dirt Housing (Part # 368-852)
JT920, JT920L, JT9201, JT921S, JT922, JT1220 Mach 1
2.5” dia. Dirt Housing (Part # 300-1232)
JT1220
2.5” dia. Dirt Housing (Part # 400-175)
JT1220, JT2020, JT2720 Mach 1
2.75” dia. Dirt Housing (Part # 400-1108)
JT2020 Mach 1, JT 2720 Mach 1
3” dia. Dirt Housing (Part # 400-1172)
JT25, JT2720 Mach 1, JT30
3.38” dia. Dirt Housing (Part # 400-1065)
JT4020 Mach 1
3.75” dia. Dirt Housing (Part # 400-1418)
JT4020 Mach 1
4.25” dia. Dirt Housing (Part # 368-822)
JT7020 Mach 1, JT8020 Mach 1, JT100 Mach 1
4.75” dia. Dirt Housing (Part # 400-1423)
JT520, JT5, JT920, JT920L, JT9201, JT921S, JT922
DW - 3-Bolt - (12mm)
2” dia. HD Dirt Housing (Part # 908-0801)
D6x6, D7x11, D9x13
VM - 5-Bolt - (3/8” Bolt)
2” dia. HD Dirt Housing (Part # 908-0795)
D6x6, D7x11, D9x13
2.5” dia. HD Dirt Housing (Part # 908-0829)
D6x6, D7x11, D9x13
2.75” dia. HD Dirt Housing (Part # 908-0832)
JT920, JT920L, JT9201, JT921S, JT922, JT1220 Mach 1
2.5” dia. HD Dirt Housing (Part # 908-0854)
JT920, JT920L, JT9201, JT921S, JT922, JT1220 Mach 1
2.75” dia. HD Dirt Housing (Part # 908-0856)
JT1720 Mach 1, JT2020 Mach1
3” dia. HD Dirt Housing (Part # 908-1754)
D16x20, D18x20, D20x22
3” dia. HD Dirt Housing (Part # 908-1732)
JT2720 Mach 1, JT30, JT4020 Mach 1
3.25” dia. HD Dirt Housing (Part # 908-4254)
D24x26, D24x33, D24x40, D33x44, D36x50
3.25” dia. HD Dirt Housing (Part # 908-4232)
JT25, JT2720 Mach 1, JT30 Mach 1, JT4020 Mach 1
3.75” dia. HD Dirt Housing (Part # 908-4256)
JT7020 Mach 1, JT8020 Mach 1, JT100 Mach 1
4.25” dia. HD Dirt Housing (Part # 908-5254)
D50x100, D55x100, D75x100, D80x100, D80x120, D100x120
4.25” dia. HD Dirt Housing (Part # 908-5234)
D50x100, D55x100, D75x100, D80x100, D80x120, D100x120
VM - 6-Bolt - (3/4” Bolt)
4.25” dia. HD Dirt Housing (Part # 908-5232)
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3.75” dia. - HD Universal Housing (Part# 908-4290)
2 3/8” (2.375”) API Reg Box
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4.75” dia. - HD Universal Housing (Part# 908-5290)
3 1/2” (3.5”) API Reg Box
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6.5” dia. - HD Universal Housing (Part# 908-6190)
4 1/2” (4.5”) API IF Box
4 1/2” (4.5”) API IF Pin
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8” dia. - HD Universal Housing (Part# 908-8090)
6 5/8” (6.625”) API FH Box
6 5/8” (6.625”) API FH Pin
AT2720, AT30
3.75” dia. - Rockmaster® or Cobble Housing
2 7/8” (2.875”) API Reg Box
AT2720, AT30
4.75” dia. - Rockmaster® or Cobble Housing
2 7/8” (2.875”) API Reg Box
AT3020
3.75” dia. - Rockmaster® or Cobble Housing
2 7/8” (2.875”) API Reg Box
AT3020
4.75” dia. - Rockmaster® or Cobble Housing
2 7/8” (2.875”) API Reg Box
AT4020
5” dia. - Rockmaster® Housing
3 1/2” (3.5”) API Reg Box
AT60
5” dia. - Rockmaster® Housing
3 1/2” (3.5”) API Reg Box
AT100
5” dia. - Rockmaster® Housing
3 1/2” (3.5”) API Reg Box
For Assistance Determining Your Pin Size or Bolt Pattern
PLEASE CONTACT US
541-430-1926
OREGON OFFICE
580-222-4851
OKLAHOMA OFFICE
FIND YOUR RIG
STEP 1.
FIND YOUR HOUSING
FIND YOUR CONNECTION
STEP 2.
STEP 3.
STEP 4.
ALL TERRAIN® CONNECTIONS
USE THE CHART BELOW TO FIND YOUR DITCH WITCH® RECOMMENDED TRANSMITTER HOUSING’S REQUIRED PIN OR BOLT CONNECTION FOR ALL DRILLHEAD TOOLS.
NOTE: Use of a crossover sub and other factors may change your required connection. Please verify your required tool joint by using 3 simple measurements (see images below) or feel free to call us any time for connection identification. 580-222-4851
DITCH WITCH® BRAND HOUSING IDENTIFICATION
