Triumph Roadster 1946-49
See specifications below illustration Useful Link: TRIUMPH page Triumph Roadster Club
Page 085
Triumph Roadster 1946-49 1800 & 2000 Specifications
Engine (1800)
4 Cylinder in line, 8 x OHVs
Bore & Stroke: 73mm x 106mm
Displacement: 1,776cc
Compression ratio: 6.5 to 1
Max power: 65bhp at 4,500rpm

Performance
Maximum speed: 80mph
Acceleration: 0-60 mph 34.4secs
Overall fuel consumption: 23mpg

Transmission
Rear wheel drive, 4 forward speed manual, syncromesh on top 3

Construction
Light alloy skin over ash frame Longitudal, steel cylindrical section chassis

Brakes
Girling Hydrostatic. Drums F&R.

Steering
Marles cam & double roller

Suspension
Front: Independent, transverse leaf
Rear: Live axle, semi-elliptic leaf

Wheels
Bolt on 6 x 16in pressed steel disc
with 6.00 x 16 crossply tyres

Dimensions & Weight
Wheelbase: 9ft 0in
Front track - F: 4ft 2.5in
Rear track: 4ft 6.7in
Overall length: 14ft 0.5in
Overall width: 5ft 4in
Overall height: 4ft 8in
Ground clearance: 6.5in
Unladen weight: 2,540lbs
Tank capacity: 10 Imp gallons

Engine (2000)
4 Cylinder in line, 8 x OHVs
Bore & Stroke: 85mm x 92mm
Displacement: 2,088cc
Compression ratio: 6.7 to 1
Max power: 68bhp at 4,200rpm

Performance
Maximum speed: 77mph
Acceleration: 0-60 mph 27.9secs
Overall fuel consumption: 23mpg

Transmission
Rear wheel drive, 3 forward speed manual, all syncromesh

Construction
Light alloy skin over ash frame Longitudal, steel cylindrical section chassis

Brakes
Girling Hydrostatic. Drums F&R.

Steering
Marles cam & double roller

Suspension
Front: Independent, transverse leaf
Rear: Live axle, semi-elliptic leaf

Wheels
Bolt on 6 x 16in pressed steel disc
with 6.00 x 16 crossply tyres

Dimensions & Weight
Wheelbase: 9ft 0in
Front track - F: 4ft 2.5in
Rear track: 4ft 6.7in
Overall length: 14ft 0.5in
Overall width: 5ft 4in
Overall height: 4ft 8in
Ground clearance: 6.5in
Unladen weight: 2,460lbs
Tank capacity: 10 Imp gallons

Production
1,800cc 1946-48: 2,501
2,000cc 1948-49: 2,000
Total of all Triumph Roadsters: 4,501 built