The 1967 Triumph Trophy TR6C from United Kingdom was powered by a 649cc OHV twin producing 40hp at 6500rpm. Weighing 172.0kg (379 lbs) and with a seat height of 810mm, it was aimed at enduro riders.
The 1973 Triumph T140 Bonneville by contrast offered 744cc of OHV twin power, delivering 49hp at 6200rpm. Tipping the scales at 185.0kg (408 lbs) with a top speed of 175km/h (109 mph), it offered a distinct riding experience. 1960s motorcycles capture the era of cultural revolution and racing heritage. Iconic models from this decade are among the most desirable classics.
Specifications Comparison
| 1967 Triumph Trophy TR6C | 1973 Triumph T140 Bonneville | |
|---|---|---|
| Displacement | 649 cc | 744 cc |
| Power | 40 hp | 49 hp |
| Torque | 48.0 Nm | 54.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 165 km/h | 175 km/h |
| Quarter Mile | — | — |
| Dry Weight | 172.0 kg | 185.0 kg |
| Wet Weight | 185.0 kg | 198.0 kg |
| Seat Height | 810 mm | 790 mm |
| Wheelbase | 1400 mm | 1410 mm |
| Fuel Capacity | 14.0 L | 14.0 L |
| Gears | 4 -speed | 5 -speed |
The Verdict
Comparing these two Triumph machines reveals the brand's evolution. The 1967 Triumph Trophy TR6C laid the groundwork with 40hp, while the later 1973 Triumph T140 Bonneville pushed output to 49hp. From a collector's perspective, the 1973 Triumph T140 Bonneville holds the edge with a 7/10 rating. Either way, both are worthy additions to any Triumph collection. Parts availability is moderate for the 1967 Triumph Trophy TR6C and good for the 1973 Triumph T140 Bonneville — an important factor for any restoration project.
About the 1967 Triumph Trophy TR6C
Introduced in 1967, the 1967 Triumph Trophy TR6C features a 649cc OHV twin engine producing 40hp, establishing itself as a notable dual-sport.
Full 1967 Triumph Trophy TR6C Profile →About the 1973 Triumph T140 Bonneville
Born in 1973, the 1973 Triumph T140 Bonneville is a 744cc twin-cylinder standard motorcycle producing 49hp from Triumph.
Full 1973 Triumph T140 Bonneville Profile →