A 73-year-old bulldozer driver who suffered a head injury, cuts and bruises when his machine went over a bank is in a stable condition in Tauranga Hospital.

The man was driving the bulldozer at the Tauranga Quarry on Wednesday when it went over a bank just after 1pm.

A bulldozer went over a bank at the Tauranga Quarry.

It is thought the bank gave way and the machine rolled over.

The driver managed to free himself and walk some distance for help.

J Swap Contractors staff drove him up to Kaitemako Road where they were met by St John Ambulance paramedics and taken to Tauranga Hospital.