The M4 was produced for a short time at the end of 1928 and the beginning of 1929. It seems to have bridged production of the M2 and the 40.
Special features
- Continental W5, 36 horsepower, four-cylinder engine.
- Cellular ribbon radiator.
- Bendix four-wheel brakes.
- Simplex shock absorbers.
- Tryon self-adjusting shackles.
Body styles and prices
| Body style | Price |
|---|---|
| Coupe 1 | $595.00 |
| Sport Roadster 1 | $595.00 |
| Touring 1 | $595.00 |
| Two-Door Sedan 1 | $595.00 |
| Four-Door Sedan 1 | $695.00 |
| Brougham 1 | $675.00 |
| De Luxe Brougham 1 | $750.00 |
Notes: 1 1929 prices, US dollars, f.o.b. Lansing
Serial number range
- C-1001 to C-15000
- E-1001 to E-15000
- L-1001 to L-15000
- T-1001 to T-2272
The serial number prefix shows the factory. See Durant Serial Numbers for every year and plant.
Specifications
| Item | Specification |
|---|---|
| Engine | Continental W5, four-cylinder, L-head type, detachable head; Nelson Bohnalite pistons with invar struts; 3-3/8" bore by 4¼" stroke; piston displacement, 152 cubic inches; N.A.C.C. rating 18.2; brake horsepower, 36 at 2,400 R.P.M. Engine mounted in rubber. |
| Cylinders | Cast en-bloc with upper half of crankcase; detachable head. |
| Valves | 1½" diameter; 5/16" lift. |
| Crankshaft Bearings | Front, 1½" x 1-25/32"; center, 1½" x 1-9/16"; rear, 1½" x 2¾". |
| Camshaft Bearings | Front, 1½" x 1-3/8"; center, 1-5/8" x 1"; rear, 1½" x 1-33/64". |
| Engine Lubrication | Force feed to silent timing chain and all main, connecting rod and camshaft bearings. |
| Cooling System | Cellular ribbon radiator; capacity, 8 quarts; 16" fan, 4 blades; pump. |
| Gasoline Supply | Capacity of tank, 11½ gallons; placed at rear. Vacuum feed. Gasoline gauge on tank. |
| Carburetor | One-inch, plain tube, air and fuel adjustment. Exhaust and intake manifold with hot spot, mounted on left side of engine. |
| Clutch | Single-plate, dry disc, enclosed in flywheel; seperately removable. |
| Transmission | Standard, selective sliding-gear type; three forward speeds and one reverse; seperately removable. |
| Front Axle | Standard drop-forged "I" beam section wih reverse Elliott type steering mechanism. Timken tapered roller bearings. Ball bearing knuckles. |
| Rear Axle | Semi-floating, simple design, with spiral-bevel ring gear and pinion. |
| Steering Gear | Semi-irreversible, worm and gear type. Fore-and-aft steering. Ball thrust bearings. 17" black, corrugated wheel, flush type control. Horn button in center of wheel. |
| Brakes | Four-wheel Bendix mechanical, internal expanding, self-energizing, 3-shoe type; 11" brake drums. Easy adjustment. |
| Chassis Lubrication | Alemite pressure system. |
| Springs | Semi-elliptic; front, 36" x 1¾"; rear, 54" x 1¾". Tryon self-adjusting shackles. |
| Wheels | Wood artillery. |
| Tires | Balloon, 28 x 4.75. |
| Wheelbase | 107 inches. |
| Controls | Gear shift and parking brake levers in center; accelerator pedal mounted on toe board. Spark and throttle levers on top of steering wheel. Semi-automatic spark control. Speedometer, ammeter and oil gauge clustered in indirectly lighted instrument panel of burnt ivory finish. Ignition and lighting switch and choke mounted on instrument board. |
| Starting, Lighting, Ignition | Generator; starting motor; igniter and coil. Combination stop and tail lamp; resistance dimmer on head lamps. |
| Standard Equipment | Rear-vision mirror; automatic windshield wiper; electric motor-driven horn; stop light; spare tire, tube and tire cover standard equipment on all models; tool kit; bumpers front and rear; all metal trimmings chromium plated; new type body hardware. Simplex shock absorbers. |
Related pages
- All Durant models, 1921 to 1932
- Other 1929 models: 1929 Durant Model 40, 1929 Durant Model 60, 1929 Durant Model 63, 1929 Durant Model 66, 1929 Durant Model 70, 1929 Durant Model M2
- Photos of member cars: 1929 Durant
- 1929 Durant sales literature
- Known Durant cars
Sources: Original Durant literature: A-29-103-4.