Pressure Diggers & Foundation Drills

Browse Highway Mfg Industry-Leading Pressure Digger and Foundation Drills.

Most Highway MFG pressure diggers remain in service for 15–20 years, and often longer with regular maintenance. It’s not uncommon to see well-maintained units still operating reliably after 25 years. Older equipment can often be repowered or refurbished to extend its working life even further. - 100 Years of Highway

HM-38 Mechanical Pressure digger rear

HM-38 Mechanical Pressure Digger

Rugged mechanical drive digger with a 3″ solid kelly bar for dependable performance and maximum crowd force in a wide range of soil conditions.

HFMS Mechanical Pressure Digger

HFMS Mechanical Pressure Digger

The Highway HFMS Mechanical Pressure Digger features a 30′ digging depth and 72” auger capacity, built for high-volume utility and foundation drilling projects.

HHF Hydraulic Pressure Digger Rear

HHF Hydraulic Pressure Digger

The Highway HHF Hydraulic Pressure Digger offers 25′ digging depth and 72” auger capacity with hydrostatic drive — ideal for demanding utility and foundation projects.

HH Pressure Digger Passenger Side

HH Hydraulic Pressure Digger

The HH Pressure Digger delivers 20′ digging depth, 56” auger capacity, and dependable hydraulic drive power — built for electric utility, municipal, and construction drilling.

FD-30-60 Foundation Drill Truck Mounted

Foundation Drills (FD Series)

High-torque foundation drills with telescoping kelly bars for deep infrastructure work, including bridges, windmills, and large-diameter caissons.