JD Excavator Engine Long Blocks parts list
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344G, 410C, 410D, 444E, 444G, 450G, 450G LT, 450G LGP, 455G, 490E, 495D, 510C, 510D, 540D, 540E, 548D, 548E, 550G, 555G, 590D, 595D, 650G, 6400, 6400L, 6500, 6500L |
Reman 4045T Long Block |
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1150 |
JD-4045T-LB-U |
$12,650.00
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90E, 290D |
4.039 |
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750 |
JD-4039-LB |
Call for Pricing
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790D, 790DLC, 790ELC |
6.466 |
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750 |
JD-6466-LB |
Call for Pricing
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Rebuilt and remanufactured engine long blocks for John Deere excavators, covering diesel powerplants for 90E, 290D, and 790-series machines with new and reman assemblies built for direct replacement.
Fits Models At A Glance
- Compact/Mid Excavators: 90E, 290D
- 790 Series: 790D, 790DLC, 790ELC
Key Notes
- Application: Complete long block assemblies for full engine replacement
- Configuration: Block, crankshaft, pistons, head, and internal components
- Condition: Rebuilt and remanufactured units available
- Fitment: Verify displacement and casting before ordering
Why Choose Broken Tractor
- ✅ Reman long blocks built to exacting specs
- ✅ Fast shipping from two US locations
- ✅ Expert fitment help for Deere excavators
Frequently Asked Questions
What is included in a John Deere excavator engine long block?
A long block is a complete engine assembly that includes the block, crankshaft, pistons, cylinder head, and internal components. It is built for full engine replacement rather than repairing individual parts. Broken Tractor offers these assemblies in rebuilt and remanufactured condition.
Which long block fits a John Deere 90E or 290D excavator?
We carry the Rebuilt Engine Long Block under SKU JD-4039-LB, which fits the John Deere 90E and 290D excavators. To be certain it matches your machine, verify the displacement and casting before ordering. Our parts team can help you confirm the correct fitment.
Which long block fits a John Deere 790D, 790DLC, or 790ELC excavator?
We offer the Rebuilt Engine Long Block under SKU JD-6466-LB for the John Deere 790D, 790DLC, and 790ELC. Confirm displacement and casting on your current engine before ordering to make sure you get the right unit.
How do I make sure I order the correct long block for my Deere excavator?
Match the part number to your machine and verify the engine displacement and casting before ordering, since fitment can vary by model and serial number. If you are unsure which assembly matches your excavator, call our parts team at (800) 909-7060 for expert fitment help.
Should I replace or rebuild my John Deere excavator engine?
A complete long block is the direct-replacement option when internal engine components are worn beyond a simple repair. It gives you a block, crankshaft, pistons, head, and internal parts in one assembly, which is often faster than rebuilding an existing engine piece by piece. Broken Tractor carries both rebuilt and remanufactured units for Deere excavators.
