Walk into two contractors' yards in Riyadh. Both run forty machines. One buys parts by phone panic — a foreman calls, someone drives across town, the machine waits two days anyway. The other has a parts room, a spreadsheet, and a standing supplier arrangement — and spends about 20% less on parts for measurably more uptime. The difference is not budget. It is management.
Step One: Know What You Actually Consume
Pull twelve months of parts invoices and sort by machine and category. Every fleet that does this discovers the same things: filters and consumables dominate line count, three or four machines dominate spend (usually the oldest or hardest-worked), and emergency purchases carry 15–30% price premiums plus freight. That analysis is the foundation — you cannot manage what you have not measured.
Step Two: Split Predictable From Unpredictable
Step Three: Minimum Viable Parts Room
A contractor with 20+ machines should hold: one service kit per machine model per interval, GET for two rotations, common hoses and fittings, belts, one battery set per voltage class, and the specific items your history flags. Set min/max on each line; replenish weekly against the same supplier PO. This is one shelf rack and modest working capital — not a warehouse.
Step Four: Consolidate Suppliers
Ten machines' demand spread over eight vendors buys retail treatment everywhere. The same demand consolidated with one primary supplier buys program pricing, priority when things are tight, honest lead-time information, and a counterpart who learns your fleet's serial numbers. Keep a second source for competition; stop shopping every filter around town.
The PM Connection
Parts management fails without maintenance discipline, because unplanned demand overwhelms any system. The virtuous cycle: on-time PM makes demand predictable → predictable demand enables stocking and program buying → availability makes on-time PM easy. Start the cycle anywhere; most fleets start it at the parts room.
HESP runs supply programs for construction fleets across Saudi Arabia — consumption analysis from your history, min/max recommendations, scheduled replenishment, and one accountable counterpart. Bring us twelve months of invoices and we will show you the 20%.
