Systems and Equipment - 166 JT40/JT40 All Terrain Operator’s Manual
Downhole Tools
Backreamers
A backreamer enlarges the hole as pipe is pulled back through the bore. No one backreamer works well in
all conditions. These charts are meant as a guideline only. See your local Ditch Witch
®
dealer for soil
conditions and backreamer recommendations for your area.
• 1 = best
• 2 = good
•3 = fair
• 4 = not recommended
Backreamer Sandy
Soil
Soft Soil Medium
Soil
Hard
Soil
Rocky
Soil
Soft
Rock
Hard
Rock
Compact Fluted HD 3 3 1 2
Kodiak TM HD 3 2 1 2
Beavertail HD 2 1 1 1
WarthogTM HD
Rockmaster
®
44 44311
IMPORTANT: For soil definitions, see the chart on the previous page.