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1931 Durant 612

Special Features

  • Six cylinder engine
  • Equipped with the "Pullman attachment" (a fully reclining front seat)

Tourist Sedan

Models

  • Tourist Sedan1
Notes:

1 Tourist Sedan equipment includes: wheels, six wire wheels with two wheels mounted in front fender wells, two spare tires, trunk rack.

Serial Number Range

  • L-1001 to L-2000

Specifications

ENGINE
Continental built. Six cylinders, L-head type, detachable head; bore, 3-1/4"; stroke, 4"; piston displacement, 199 cubic inches; taxable horsepower, 25.4; brake horsepower, 71 at 3,100 R.P.M; engine mounted in rubber. Compression ratio 5.32. Maximum torque 144 foot pounds at 1,300 R.P.M.
CYLINDERS
Cast en-bloc with upper half of crankcase.
VALVES
Intake, 1-9/16"; exhaust, 1-7/16"; valve lift, 11/32".
CRANKSHAFT BEARINGS
Front, 2-3/8" diameter by 1-7/16"; two intermediate, 2-3/8" diameter by 1-9/16"; rear, 2-3/8" diameter by 1-7/8". All bearings are bronze back, babbitt lined, of the interchangeable type, using no shims.Torsonal vibration damper on crankshaft.
CAMSHAFT BEARINGS
Front, 2-1/16" diameter by 1-7/32"; intermediate, front, 2" diameter by 3/4"; intermediate, rear, 1-15/16" diameter by 3/4"; rear, 1-7/8" diameter by 1". All bearings are steel back, babbitt lined.
ENGINE LUBRICATION
Force feed to main bearings, connecting rod bearings and camshaft bearings. Gear type pump. A.C. oil filter on engine.
COOLING SYSTEM
Centrifugal pump; radiator capacity, 14 quarts.
GASOLINE SUPPLY
Capacity of tank, 12 gallons; fuel pump.
CARBURETOR
1-1/4"; air cleaner.
CLUTCH
Single-plate, dry-disc. Enclosed in flywheel.
TRANSMISSION
Selective sliding-gear type; three speeds forward and one reverse; unit mounted with engine.
FRONT AXLE
Standard drop-forged "I" beam section with reverse Elliott type steering mechanism. Tapered roller wheel bearings and ball thrust bearings used on steering knuckle king pins.
REAR AXLE
Semi-floating, with spiral ring-gear and pinion. Gear ratio, 4.4 to 1
STEERING GEAR
Semi-irreversible, worm-and-gear type. Ball thrust bearings. 17" steering wheel.
BRAKES
Midland steeldraulic, 4-wheel, 11" diameter, 1-1/2" wide.
CHASSIS LUBRICATION
Zerk pressure gun.
SPRINGS
Semi-elliptic; front, 36" by 1-3/4", 7-leaves; rear, 55" by 2", 7 leaves.
WHEELS
Standard equipment, six wire wheels with two wheels mounted in front fender wells, two spare tires.
TIRES
19 x 5.00
WHEELBASE
112 inches.
STARTING, LIGHTING, IGNITION
Electric Auto-Lite starting and lighting system. 13-plate, 106-ampere-hour U.S.L. storage battery.
STANDARD EQUIPMENT
Includes 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, front and rear bumpers, hydraulic two-way shock absorbers, air cleaner, oil filter, trunk rack. All bright finished exterior hardware chromium plated.

References