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Commercial Engine Builder

Mayfair Gearbox
Location 📍 Johannesburg, South Africa
Posted 📅 June 03, 2026
Work Type ⏰ Full Time

Position Overview

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

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Job Details

Employment Type
Full Time
📊
Category
Other Installation, Maintenance, and Repair Occupations
🏠
Work Arrangement
On-site
📍
Location
Johannesburg, South Africa