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| 1921 Nash 681 Series | ||
| Coupe | ||
| Standard Specifications | ||
| Show Summary |
| Original Base Price | ||
| No. Produced | ||
| Body | ||
| Body Maker | ||
| No. Doors | ||
| Passengers | 4 | |
| Model Number | ||
| Weight | ||
| Dimension | ||
| Wheelbase | 121 inches | |
| Length | ||
| Width | ||
| Height | ||
| Front Tread | 56 inches | |
| Rear Tread | 56 inches | |
| Engine | ||
| Type | Own Vertical, Valve-in-head | |
| Displacement | 248.9 cu. in. | |
| Cylinders | 6 | |
| Bore & Stroke | 3 1/4 & 5 inches | |
| Compression Ratio-Std | ||
| Compression Ratio-Opt | ||
| Brake Horsepower | ||
| Rated Horsepower | 25.3 | |
| Torque | ||
| Main Bearings | 2 | |
| Valve Lifters | ||
| Block Material | ||
| Engine Numbers | ||
| Engine No. Location | ||
| Lubrication | Splash with pressure | |
| Carburetor | ||
| Type | ||
| Make | Marvel | |
| Transmission | ||
| Type | Unknown at time of publication | |
| Drive | ||
| No. Of Gears | 3 | |
| Gear Ratios | ||
| 1st | Unknown | |
| 2nd | Unknown | |
| 3rd | Unknown | |
| 4th | Not applicable | |
| 5th | Not applicable | |
| Reverse | Unknown |
| Clutch Type | Plate | ||
| Clutch Size | |||
| Axle Type | Semifloating | ||
| Differential | Spiral bevel | ||
| Differential Ratio | 4.5 to 1 | ||
| Suspension | |||
| Front | Semi-elliptic leaf springs | ||
| Rear | Semi-elliptic leaf springs | ||
| Steering Gear | Worm & gear | ||
| Brakes | |||
| Service | External contracting on rear wheels | ||
| Front Size | Not applicable inches | ||
| Rear Size | |||
| Emergency | External on the transmission | ||
| Size | |||
| Other Systems Specifications | |||
| Exhaust System | |||
| Ignition System | Single | ||
| Battery | 6 volt storage battery | ||
| Cooling System | Water pump | ||
| Radiator | |||
| Fuel Type | |||
| Mileage | |||
| Wheels, Rims & Tires | |||
| Wheel Type | Wood | ||
| Wheel Mfr | |||
| Wheel Size | |||
| Tire Type | |||
| Tire Size | 34 x 4 1/2 | ||
| Spare Location | |||
| Capacities | |||
| Fuel | |||
| Oil | |||
| Transmission | |||
| Cooling System | |||
| Rear Differential | |||
| Front Differential | Not applicable | ||
| Transfer Case | Not applicable | ||
| Classic Rating | Non Classic | ||
| VIN/ID | |||
| VIN/Serial no. | 167,177 and up | ||
| VIN Description | Total Digits: 6 | ||
| Digits 1-6: Production number | |||
| VIN Location | |||
|
| |||
| Additional Information | |||
| The wheelbase for this model is 127 inches. | |||
| References | |
| Motor Age January 27 1921 | Los Angeles Public Library 630 West Fifth Street Los Angeles CA 90071 (213) 228-7000 www.lapl.org |
| Handbook of Automobiles 1921 | Detroit Public Library (Nat'l Auto. Hist. Collctn) 5201 Woodward Detroit MI 48202 (313) 833-1456 www.detroit.lib.mi.us/nahc/index.htm |
| Exterior Colors | ||
| Paint Type | ||
| Colors | Nash Blue | |
| Standard/Optional Equipment | ||
| Windshield | Std | |
| Speedometer | Std | |
| Clock | Std | |
| Demountable Rims | Std | |
| Ammeter | Std | |
| Voltmeter | Std | |
| Electric Horn | Std | |