2024 Scania 660S 16.4L Heavy oil · MUI 766

Extremely high annual mileage defines the operational profile of this Scania 660S, with the vehicle covering nearly 120,000 miles per year since its inception. Despite this intensive usage, the recorded MOT history shows a consistent pattern of roadworthiness, with the most recent test on 09 April 2026 resulting in a pass and no recorded defects. The two available test results from May 2025 and April 2026 both returned clean sheets, indicating that the vehicle has met the minimum regulatory standards for safety and emissions throughout its recent recorded history. The recorded mileage of 239,950 miles against a two-year age profile represents an exceptionally heavy duty cycle. This level of accumulation suggests the vehicle has likely been engaged in long-distance, high-utilisation haulage rather than intermittent or local applications. Mechanically, such rapid mileage progression places significant and continuous stress on the drivetrain, transmission, and heavy-duty suspension components. While the MOT records show no immediate failures, the sheer volume of distance covered means that wear on consumable items such as brake linings, tyres, and various rubber bushings will be advanced relative to the vehicle's chronological age. Given the lack of specific advisories or defects in the DVSA history, the inspection should focus on the physical effects of high-frequency, high-load operation. A prospective buyer should pay close attention to the condition of the air suspension system and the integrity of the chassis components, looking for any signs of premature fatigue or weeping from air bellows. During a test drive, listen for any rhythmic knocking or clunking from the suspension linkages or steering geometry, which could indicate worn bushes or ball joints that have not yet reached the threshold for an MOT failure. Furthermore, the high mileage necessitates a thorough check of the braking system and drivetrain for signs of heat-related wear or fluid leaks. Monitor the brake pedal for any unusual vibration or judder, which may indicate disc thickness issues or uneven wear patterns resulting from heavy load cycles. It is also prudent to inspect the area around the engine and gearbox for any signs of oil misting or weeping from seals, as the high operational hours associated with this mileage profile can accelerate the degradation of gaskets and seals.