How do multi engine tractor pullers work

WFO. Some multi-engined tractors run the motors hooked crank to crank. They have a coupler bolted in place of the flywheel that is splined and a coupler that fits in place of the damper pulley that is splined, and they slide together. Kinda hard on the crank that has to take the power of both motors!

No ICE engines with that capacity have been built for 50 years now. A diesel locomotive engine is in that ballpark, but they’re real heavy. And they’re designed to turn slowly. As I understand modern high-tech tractor pulls, the sled gets harder to pull based on the time since the green light, not the distance traveled.

How Do Multi Engine Pulling Tractors Work? – Engine oil for any …

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Some multi-engine tractors operate the engines by connecting them crank to crank. They have a coupler that is fitted in place of the splined flywheel and another coupler that fits in place of the splined damper pulley, and they slide together as a unit.

A dual row roller timing chain can then be slipped over both sprockets, effectively connecting the two cranks. You can set it up so both engines fire the #1 cylinder at the same time, or spread out the firing order however you please (it never made any difference for us). George Klass, . SHARE POST #21.

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East Coast Pullers Multi Engine Tractor Modification! Video Answer

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