durantcars.com

1930 Durant 612

Special Features

  • Six cylinder engine
  • Same body as the 1930 four-cylinder 610.
  • Sedans are equipped with the celebrated "Pullman attachment".

Sedan


Models

  • Coupe
  • Sedan

Serial Number Range

  • Unknown

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, 58 at 3,100 R.P.M; engine mounted in rubber.
CYLINDERS
Cast en-bloc with upper half of crankcase.
VALVES
Intake, 1-9/16"; exhaust, 1-7/16"; valve lift, 5/16".
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". Torsonal vibration damper on crankshaft.
CAMSHAFT BEARINGS
Front, 2-1/32" diameter by 1-11/32"; intermediate, front, 1-31/32" diameter by 3/4"; intermediate, rear, 1-29/32" diameter by 3/4"; rear, 1-27/32" diameter by 1".
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, 12gallons; A.C. fuel pump.
CARBURETOR
Stromberg carburetor, 1-1/4"; A.C. 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.
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
Wooden artillery wheels.
TIRES
Balloon, 19 x 4.75.
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
Electric temperature indiciator 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 bumper, rear bumperettes, chromium plating on bright finished exterior hardware.

References