Hydraulic Pressure Diggers

Browse Highway Mfg Industry-Leading Hydraulic Pressure Diggers

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

Highway Hydraulic Pressure Diggers

For crews that need speed, versatility, and all-day efficiency, our hydraulic pressure diggers are the go-to. The HH and HHF models feature hydrostatic transmissions, 100–115 HP diesel engines, and auger capacities up to 72 inches. With quick setup, smooth operation, and 240° rotation, they’re built to cover multiple job sites in a single shift.

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.

What’s different about a hydraulic pressure digger?

Hydraulic diggers use a hydrostatic drive instead of gear transmissions found in mechanical pressure diggers . That means smoother, faster operation and easier control, especially for jobs with frequent setups. They’re lighter duty compared to mechanicals, but ideal for lighting, fencing, guardrails, and utility poles where mobility and speed matter most.

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