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Hertz D-1


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Engine information

Bore × stroke 80.80 mm × 108.00 mm 3.18 in × 4.25 in
Cylinders S-6
Displace 3.3 litre 3323 cc (202.782 cu in)
Engine type SV
Valves 2 valves per cylinder | 12 valves in total
Engine construction
Compression ratio
Fuel system 1 Zenith carburettor
Maximum power
0-50 mph
0-60 mph
0-100 mph
0-100 km/h
80 - 120 km/h
402 m (Quarter mile)
Standing km
Top speed
Fuel consumption
CO2 emissions
Power to weight ratio
Specific output
Maximum torque
Specific torque
Maximum rpm
Code 18 U
Main bearings 4
Coolant Water
Bore / stroke ratio 0.75
Unitary capacity 553.83 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter

Dimensions and weight

wheelbase 2896 mm
wheelbase 114 in
Length (milimeters)
Length (inches)
Width (milimeters)
Width (inches)
Height (milimeters)
Height (inches)
L:W ratio
Ground clearance (milimeters)
Ground clearance (inches)
Kerb weight (kilograms)
Kerb weight (pounds)
Weight distribuiton
Fuel capacity (litres) 56.8 litre
Fuel capacity (UK Ga) 12.5 UK Ga
Fuel capacity (US Gal) 15 US Gal


Drag coefficient
Frontal area


Engine location Front
Engine alignment Longitudinal
Drive RWD
Turns lock-to-lock
Turning circle
Tyres 30 x 5.77
Brakes F/R
Brake ∅
Braked area
Top gear ratio
Final drive ratio 4.89

General information

RAC rating 24.3
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1926 Hertz D-1 PDF Manual
Designer unknown
Year 1926

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