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 Model 250 TR
12 cylinders in 60° V, front longitudinal, light alloy cylinder block and head.
Bore and stroke 73 x 58.8 mm.
Unitary and total capacity 246.1 / 2,953.21 cc.
Compression ratio 9.8:1.
Max. power output 290 bhp at 7,500 rpm.
Timing gear 2 valves per cylinder, 1 overhead camshaft.
Fuel feed 6 Weber 38 DCN carburettors.
Ignition Single, 2 coil-ignition units.
Transmission Fichtel-Sachs dry, single-plate clutch, gearbox with 4 speeds + reverse, ZF self-locking differential.
Frame Tubular.
Front suspension Independent, double wishbones, coil springs.
Rear suspension Live axle, coil springs.
Brakes Drums, hydraulic control.
Wheelbase and front/rear track 2,350 / 1,308 / 1,300 mm.
Tyres Front 5.50-16, rear 6.00-16.
Weight empty 800 kg. FUEL TANK 140 litres.
Model 250 TR MOT. 128 LM (1958).
Compression ratio 9.5:1.
Max. power output 320 bhp at 8,200 rpm.
250 TR MOT. 296 S (1958).
Engine 6 cylinders in 65° V, front longitudinal, light alloy cylinder block and head.
Bore and stroke 85 x 87 mm.
Unitary and total capacity 493.68 / 2,962.08 cc.
Compression ratio 9:1.
Max. power output 300 bhp at 9,000 rpm.
Fuel feed 3 Weber 46 DCN carburettors.
250 TR/59.
Max. power output 306 bhp at 7,400 rpm.
Transmission Dry twin-plate clutch, gearbox with 5 speeds + reverse.
Brakes Discs.
Weight empty 750 kg.
250 TRI/60.
Compression ratio 9.2:1.
Max. power output 300 bhp at 7,500 rpm.
Timing gear 2 valves per cylinder, 1 overhead camshaft.
Fuel feed Bosch injection.
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