440 Motorhome Engine Specs


One of the classic ways to travel the United States is in a motorhome, and one of the most classic motorhome engines ever made is the Dodge 440 by Chrysler Corp. The Dodge 440 engine can be found in many 1970s full-sized motor homes, especially the popular 1974 Winnebago. Quite a few of these are still on the road, and with a little work, you can get that engine running smooth as ever.

Engine Size and Power

  • The Dodge 440 is a V8 engine, running at 225 HP at 4,000 RPM.


  • The transmission on a 440 V8 is a three-speed manual.

Bore and Stroke

  • Bore and stroke ratio refers to the diameter of the cylinder bore over the length of the piston stroke. The 440 has a 4.32-inch diameter cylinder bore and a 3.75-inch long piston stroke.

Compression Ratio

  • The compression ratio of an engine refers to the peak capacity volume of its compression chamber over its smallest volume. The compression ratio on the 440-1 is 8.12:1, and 8.2:1 on the 440-3.


  • The 440 features a four-barrel carburetor.

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