2024 Scania 660S 16.4L Heavy oil · SKZ 707

The most recent MOT test conducted on 30 January 2026 resulted in a pass with no defects recorded. Looking at the two-year history, the maintenance trend appears stable, as both the 2025 and 2026 inspections returned clean results. While a defect-free MOT history is a positive sign regarding the vehicle's immediate compliance with safety standards, it should be viewed in the context of the vehicle's extremely high operational intensity, which may mask emerging mechanical issues that have not yet reached a failure threshold. The vehicle's mileage of 271,850 miles is exceptionally high for a 2024 model, representing an annual usage rate of approximately 135,925 miles. This indicates a heavy-duty commercial application, likely involving constant long-distance haulage. Such rapid mileage accumulation places significant stress on the entire drivetrain, including the engine, transmission, and turbocharger. You should expect that major mechanical components will have undergone much higher levels of wear than a standard vehicle of this age, meaning that the interval between major component failures will be significantly compressed. Because the MOT record is currently clean of advisories, your physical inspection must focus on the wear-and-tear typical of high-mileage heavy goods vehicles. Closely inspect the tyres for signs of uneven wear patterns, which could suggest issues with wheel alignment, worn steering linkages, or compromised suspension bushes. During a test drive, listen carefully for any knocking, clunking, or squealing from the suspension or chassis, particularly when traversing uneven surfaces, as this can indicate failing air bellows, shock absorbers, or worn kingpins. Additionally, check the brake system for any signs of binding calipers or excessive disc corrosion, and monitor for any air leaks in the pneumatic systems. Given the intensive duty cycle, a thorough review of the service history is more critical than the MOT record itself. Verify that all oil, fuel, and air filters have been replaced according to a strict schedule, as high-mileage engines are highly sensitive to fluid degradation. Inspect the engine bay for any evidence of weeping from seals or gaskets and check the condition of all drive belts and hoses. It is also advisable to confirm the health of the battery systems and the alternator, as the heavy electrical demands of a high-usage vehicle can lead to premature battery degradation. Ensure that any significant recent repairs or component replacements are fully documented to provide assurance against imminent mechanical breakdown.