1931 Durant 407

Special features

  • Continental 49 horsepower, four-cylinder engine
  • Four-wheel Steeldraulic brakes

Models and prices

Body stylePrice
Standard Coupe$595.001
Rumble Seat Coupe$625.001
Sedan$645.001
Sport Roadster$645.001
Touring$495.001

Serial number range

  • A-3351 to end

Specifications

EngineContinental W8, 4-cylinder, mountings cushioned in rubber, "L" head. Bore 3-7/8", stroke 4-1/4", 24.03 horsepower, N.A.C.C. rating, 49 brake horsepower at 2,300 r.p.m. PYRODYNE non-detonating cylinder head. ISOMETRIC aluminum alloy invar strut pistons. Camshaft driven by silent chain.
Crankshaft bearingsInterchangeable main bearings, bronze-backed, babbit lined.
Engine lubricationForce feed lubrication.
Cooling systemTubular radiator, capacity 11-2/3 quarts. Large centrifugal water pump near rear of block. Thermostat controls engine temperature.
Gasoline supply10 gallon gasoline tank at rear of chassis. Electric gasoline gauge on dash. Fuel pump. Gasoline filter.
CarburetorPlain tube, high-power carburetor. Manifold hot spot.
ClutchMounted with engine and transmission to form unit power plant. Multiple spring, single dry plate type with rubber insulated centre, adjustable.
TransmissionSelective sliding gear type. Three speeds forward, one reverse. Hotchkiss drive. Power plant, propeller shaft and pinion shaft in straight line when car is loaded. Two all-metal universal joints.
Front axleReverse-Elliot type. Drop-forged, heat-treated I-beam. Tapered roller bearings for wheels. Steering pivots have ball-thrust bearings. Ball joints for all steering linkage. Worm and sector steering gear with tapered roller thrust bearings.
Rear axleSemi-floating 8-bearing type. All tapered roller bearings. Special 2-bearing arrangement receives wheel thrust at axle ends.
Brakes"Steeldraulic" 4-wheel, internal expanding type.
WheelsWood artillery on standard models;
Starting, lighting, ignition6-volt, 2-unit electric system. Distributer has manual and automatic spark control mounted above engine. Depressible beam headlights.
Standard equipmentIncludes electric temperature indicator and gasoline gauge, speedometer, ammeter, oil gauge, pull controls for spark, throttle and choke. Coincidental ignition and coil lock, foot pedal headlight control, rear view mirror; automatic windshield wiper, chromium plating on bright finished exterior hardware. Equipment on Standard models does not include bumpers and bumperettes..

References

  • [ODL] A-31-111-4
  • [DFR-DS] V4#4