From A to Z

D and E engines


| July 2006


Dunn

Year: circa 1910
Horsepower: 1-3/4
Weight: 80 pounds
Bore: 3.725-inch Stroke: 4-inch
Flywheel width: 1-1/8 inches
Flywheel diameter: 12 inches
Ignition: jump spark
Unique features: Monarch (Schebler D clone) carburetor. Believed to be original paint.
Interesting fact: This pre-1910 engine has a bore of only 3.725, not the advertised 3.75. All of the parts were hand-fitted, using no jigs.

Owner: Douglas R. Kimball, 6 Wildflower Lane
Kennebunk, ME 04043

Dempster

Model: Class E
Year: 1909,
patented 1907
Horsepower: 2-1/2
Weight: 650 pounds
Bore: 2-3/4-inch
Stroke: 4-inch
Flywheel width: 2-1/4 inches
Flywheel diameter: 26-1/2 inches
Governing: hit-and-miss with fly weights
Ignition: low-tension, igniter fired, battery and coil
Unique features: Closed crankshaft. The fuel pump and mixer let the unused portion of the fuel delivered to the mixer return to the fuel tank. It is ported with all exhaust from both ends of the cylinder exiting through the muffler. All working parts are on the off side.

Owners: Gary and Dea Gruel 30090 W. Lower River Road,
Buckeye, AZ 85326



Deere

Model: E
Year: 1923
Horsepower: 1-1/2
Serial number: 234899
Bore: 3-1/2-inch
Stroke: 4-1/2-inch
Weight: 227 pounds
Flywheel width: 1-3/4 inches
Flywheel diameter: 18 inches
Governing: hit-and-miss
Ignition: rotary magneto
Unique feature: One of the first engines to oil itself (no grease cups or sight feed oilers).
Interesting facts: According to?the John Deere serial number list for "E"?engines, the first year starts in 1923 with numbers 235001-235520. There were 519 engines made that first year, but this engine's serial number is 234899, 102 numbers before the list starts.

Owner: Dave Reindahl 168 10th Ave.
Clear Lake, WI 54005














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