Lot 163 - 1966 Triumph TR4A IRS (Surrey Top)
| Lot Number | 163 |
| Registration | NAB 595D |
| Chassis Number | CTC68945-0 |
| Engine Number | CTC68536-E |
| Odometer reading | 49,438 miles |
| Estimate | £24,000 - £30,000 |
- Extensive history folder
- Overdrive
Produced between 1961 and 1967, the Triumph TR4 combined a new, modern, and aggressive body design by famed Italian stylist, Giovanni Michelotti, with the basic chassis of the previous TR3A. The TR4 also improved passenger comfort with wind-up windows, face-level ventilation, and an optional hardtop. When equipped with the optional overdrive, the TR4 was good for a top speed of almost 110mph. Following on from the TR4, the new TR4A was phased in smoothly at the beginning of 1965 and introduced an all-new independent rear suspension system (IRS), which provided exceptional rear-wheel camber control with excellent wheel travel while softer springs improved the ride quality. Having six universal joints, three propshafts and two trailing arms, the system was appreciatively more expensive than the previous live axle arrangement (dealers in the US reacted uncomfortably to the new design on cost grounds; to appease them, Triumph built the TR4A in two forms, one with a live axle primarily for the US and the TR4A IRS for other markets where the price was less sensitive). The press was happy to see an all-independent car, and Triumph was pleased to be the first British car manufacturer to have all-independent suspensions under every car in their line-up. At the Sebring 12 Hours in 1966, ample proof of the validity of the IRS was provided when three IRS-equipped TR4As achieved a remarkable 1-2-3 class victory.
Manufactured on 4th May 1966 and distributed to H.A. Browett & Co. Ltd in Leicester, this Triumph was then registered on 17th May 1966 and presents in the delightful colour combination of Signal Red with black interior. Sitting proudly on wire wheels this has clearly been a very well cared for vehicle and comes with a superb history folder. The Heritage Certificate verifies it to be a matching numbers example and confirms NAB 595D to have independent rear suspension, overdrive, occasional rear seat, heater and a hard (Surrey) top, together with a Surrey soft top. Supplied with a V5C registration document and a current MoT test certificate valid until 19th September 2022, this is a very good example of a desirable TR4A IRS.
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