Indian 841

Indian's model 841 was developed at the request of the U.S Army for a shaft-driven motorcycle capable of withstanding the harsh conditions of the deserts of North Africa during WWII.  Unlike the Harley-Davidson model XA which closely resembled the BMW R71, Indian's engineers designed a motorcycle that was very different.

First and foremost was the 90-degree longitudinal-crankshaft V-twin engine.  Although it shared some internals with Indian's Sport Scout, this 45 cubic inch side-valve motor was something totally different for Indian.  Like the BMW's, the cylinders ran perpendicular to the motorcycle, which provided improved engine cooling.  The difference was that Indian's cylinders were in a 90 degree orientation instead of the 180 degree's of the BMW.  Moto Guzzi would later popularize this style motor with the release of their V7 line starting in 1969.  Also in a departure from BMW and Harley-Davidson's designs, Indian chose a hydraulic girder fork to provide the front suspension and a heel/toe foot shift for the transmission.  These were in addition to other improvements including 8-inch drum brakes, rubber mounted handlebars and a sprung rear hub.

Total production for the model 841 was 1,056 units, between 1941 and 1943.  As with the Harley-Davidson XA, the Army also passed on the Indian 841.  This decision is thought to be the result of the rise in popularity of the Jeep as the Army's main form of motorized transportation.

Engine:  45 cu. in. (737 cc) 90° air-cooled side-valve V-twin
Bore / Stroke:  2.87 in × 3.50 in (73 mm × 89 mm)
Top speed:  70 mph (113 km/h)
Power:  25 bhp
Transmission:  Four speed, foot shift; shaft drive
Suspension Front:  Girder fork with coil springs and shock absorber
Suspension Rear:  Plunger-type with coil springs
Brakes:  Drums front and rear
Weight:  528 lbs. (240 kg) (wet)
Fuel capacity:  5 gal.