Commercial Engine Builder

Mayfair Gearbox
Full-time Johannesburg, Johannesburg Other-General
Posted:
March 02, 2026
Location:
Johannesburg, Johannesburg, South-Africa

Job Description

The Commercial Engine Builder will be responsible for stripping, diagnosing, rebuilding, and assembling heavy-duty diesel engines for trucks and commercial vehicles. The role requires strong mechanical expertise, attention to detail, and the ability to deliver high-quality rebuilds that meet Mayfair Gearbox standards, ensuring reliability and minimal comebacks.

  • Key Responsibilities
    Engine Stripping & Fault Finding
  • Strip and dismantle commercial diesel engines safely and accurately.
  • Diagnose engine failures and identify root causes (e.g., overheating, oil starvation, wear, incorrect fueling).
  • Inspect components including crankshaft, pistons, liners, cylinder head, valves, camshaft, injectors, turbo systems, and oil pumps.
  • Assess damage and provide accurate feedback for quoting and parts requirements.

Engine Rebuilding & Assembly

  • Rebuild heavy-duty diese...

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Job Overview

Job Type: Full-time
Location: Johannesburg, South-Africa
Posted: March 02, 2026
Deadline: April 11, 2026