6/11/2023 0 Comments Cummins crate motorWe can simply build them a new long block and replace the central rotating structure and save the customer a significant amount of money over a new complete engine. Everything else on the engine can be reused from the old engine. For example a skid steer with a 4BT that has a rod through the block, dropped valve or spun crankshaft bearing will ruin the hard internal components of the engine. Some customers find a long block to more economical if they currently have a 4BT that is no longer working. ![]() Extended long blocks are about a 75% finished assembly. For example, the 4BT comes in 105 HP, 130 HP and 140 HP and can be shipped as an extended long block or a long-block. They are the exact same parts but just go in a different box stamped OEM or Aftermarket.Ĭummins 4BT Crate Engines (Extended Long Block) come in different configurations to fit various applications and needs of our customers. The patents for these engine assemblies expired many years ago that being said the same manufacturers now supply both OEM and Aftermarket parts from the same facility. ![]() Our crates engines are called 'component builds' usually consisting of roughly 90% OEM parts, 10% aftermarket when available. ![]() ![]() Our 4BT internal castings are made in an OEM facility and are built back to popular CPLs (critical parts list). Our 4BT Extended Long Block Crate Engines are a bit of a hybrid between a true crate engine and a surplus engine from Cummins. Cummins 4BT Crate Engine with Example Side View of Crate
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