This is a Remington arms powerlite 4 chainsaw. This is one of there most popular models for cutting firewood.
It is 59cc's and uses a full size 3/8 pitch chain and has a manual oiler only.

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click here for restoration video

remington PL-4 chainsaw

remington PL-4 chainsaw

remington PL-4 chainsaw

Remington PL-4

Above is after restoration but it still needs decals.