Every OEM manual contains a perfectly good maintenance schedule, every fleet office has a copy, and most Saudi machines still get serviced when someone remembers. The problem is not knowledge; it is systems. Here is the PM structure that survives contact with real projects.
The Interval Ladder
Heavy equipment PM stacks in multiples, each interval including everything below it:
Saudi adjustments that matter: air filters on condition (dust-choked long before hours), cooling system checks pulled forward into every service, hydraulic oil upgraded per our lubricants guide, and grease intervals treated as maximums.
Kits Make Schedules Real
The single biggest PM compliance fix is logistical: pre-boxed service kits per machine per interval, on the shelf before the service comes due — exactly the program-buying our fleet management guide describes. When the kit exists, the service happens; when someone must order eleven line items first, the service slips a week, then a month.
Tracking Without Bureaucracy
The minimum viable system is one sheet (or one screen): machine, current hours (from telematics where available — see our telematics guide), last service hours per interval type, next due, and a red/amber/green state. Review weekly in the same one-hour session that handles the parts order. Larger fleets graduate to CMMS software; the discipline matters more than the tool.
The Human Factors
PM programs die three deaths: the machine "can't be spared" (price the downtime honestly and this argument loses — see our downtime worksheet), the service is unpleasant (shade, tooling, and a decent service truck fix more compliance than memos do), and nobody owns it (name one person per site whose week includes the PM review; ownership beats intention). Operators are the fourth factor: the daily check only happens where operators are trained, equipped with a one-page checklist, and actually listened to when they report defects.
What Good Looks Like
Fleets that get PM right in the Kingdom see the pattern our whole blog documents: unplanned failures drop toward the irreducible core, parts demand becomes predictable enough to program-buy, and the downtime ledger shrinks quarter over quarter. It is the least glamorous investment in construction and the most reliable one.
HESP builds interval-based service kits per machine serial, holds them against your PM calendar, and supplies oil-analysis sampling kits alongside — the logistics half of a PM program, handled. Send your fleet list and current hours; the schedule drafts itself.


