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Engine Rebuild Kit - Less Bearings - High Compression 6404A/T fits John Deere 690B 740 4430 4630 7020 6602 7700 690B 693B 740 5200 5440 6404A 6404T Sale!

Engine Rebuild Kit – Less Bearings – High Compression 6404A/T fits John Deere 690B 740 4430 4630 7020 6602 7700 690B 693B 740 5200 5440 6404A 6404T

$148.00 $1,499.00

  • Compatible with John Deere Combine(s) 6600 SH (s/n 305672-later), 6602 (s/n 163500-later), 7700 (s/n 8000-later)
  • Compatible with John Deere Construction & Industrial(s) 690B, 693B, 740
  • Compatible with John Deere Engine(s) 6404A (diesel, s/n 335846-later), 6404T (diesel, s/n 335846-later)
  • Compatible with John Deere Excavator(s) 690B
  • Compatible with John Deere Harvester(s) 5200 (late), 5440
  • Compatible with John Deere Loader / Backhoe Attachments(s) 740
  • Compatible with John Deere Tractor(s) 4430, 4630, 7020 (late)
  • Replaces John Deere Block Casting Number(s) R49470, R49650, R59850, R72128, R87558
  • Bore: 4.25″
  • Internal plate type oil cooler
  • Kit includes: High Compression Easy Start Pistons, Piston Ring Set, Liners, Connecting Rod Bushings, and Gasket set with Crank Seals
  • High Compression Easy Start pistons are produced from an aluminum hypereutectic alloy. This allows the pistons to: Retain a higher percentage of strength and hardness during normal operations, Have a very low coefficient of thermal expansion, Have a higher resistance to wear, Have a higher tensile strength. The combustion bowls in these pistons are engineered to create higher compression. These pistons raise the static compression of an engine approximately 1-1.5 points. They ignite a larger ratio of fuel / air per stroke, which wastes less raw fuel. This translates into: Improved cold weather starting, Increased horsepower, Extended engine life
  • Kit does not include connecting rod or main bearings
  • For standard connecting rod bearing use 106763
  • For .010″ connecting rod bearing use 106341
  • For .020″ connecting rod bearing use 106765
  • For .030″ connecting rod bearing use 106766
  • For standard main bearing use 106835
  • For .010″ main bearing use 106836
  • For .020″ main bearing use 106837
  • For .030″ main bearing use 106838
  • Additional Handling & Oversize Fees Apply To This Item
  • WARNING: Cancer and Reproductive harm. See www.P65Warnings.ca.gov
Cost: $25
Free Shipping: We offer free shipping on orders over $30. Please check the free - shipping eligibility at checkout.
Delivery Time: It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.

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