Triumph TR3A 1957-62 wire wheels
See specifications below illustration. Disc wheel version. To TR2-8 page.
Page 092B
Triumph TR3A 1958-62 specifications
Engine
4 Cylinder in line
Bore: 83mm, Stroke: 92mm
Displacement: 1,991cc
Piston area: 2.98
Valves: overhead
Compression ratio: 8.5:1
Carburettors: twin SU
Power output: 100bhp at 5,000rpm

Performance
Maximum speed: 102mph
Acceleration: 0-60 mph 12.5secs
Overall fuel consumption: app. 30mpg

Construction
Pressed steel chassis with steel body
Transmission
Clutch: Borg & Beck
Gearbox: 4-speed
Ratios: Top 3.7, 3rd 4.9, 2nd 7.4,
1st 12.5, reverse 15.8 to 1
Propellar Shaft: Hardy Spicer open
Final drive: hypoid bevel

Brakes
Front- Girling hydraulic discs
Rear-drums
Steering
Rack and pinion,

Suspension
Front: Independent coil,
telescopic shock absorbers
Rear: semi-elliptic, leaf spring,
piston type shock absorbers
Wheels
Bolt-on ventilated disc wheels
with 15in x 5.50 tyres
Wire wheels as option

Dimensions & Weight
Wheelbase: 7ft 4in
Track - front: 3ft 9in
Track - rear: 3ft 91/2in
Overall length: 12ft 7in
Overall width: 4ft 71/2in
Overall height(with hood up): 4ft 2in
Ground clearance: 6in
Turning circle: Left 34ft
Unladen weight: 173/4cwt

Production
TR3A 1957-62 58,236
TR3B (1963 for USA only) 3,331