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John Deere 4840 Engine Rebuild Kits

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Basic In-Frame Overhaul Kit - BASIC In-Frame Overhaul KIT 6-Cylinder Turbocharged Diesel, 466 CID. 4.56" Standard Bore. 3-Ring Piston, Keystone Top Compression Ring, Connecting Rod Marked R57303 or R67320. Contains sleeves and sleeve seals, pistons and rings, pins and retainers, connecting rod bolts, valve-grind gasket set, oil pan gasket. For 8430 Series, 4440 Series, 4640 Series, 8450 Series. (Item #: 189552, Ref: BIFD4460) $845.00

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Basic Overhaul Kit - BASIC Overhaul Kit. 6-Cylinder Turbocharged Diesel, 466 CID. 4.56" Standard Bore. 3-Ring Piston, Keystone Top Compression Ring, Connecting Rod Marked R57303 or R67320. Basic Engine Kit, less bearings. Contains sleeves and sleeve seals, pistons and rings, pins and retainers, pin bushings, connecting rod bolts, complete gasket set, crankshaft seals. For 8430 Series, 4440 Series, 4640 Series, 8450 Series. (Item #: 130714, Ref: BEKD4460-LCB) $1529.01

Cylinder Kit - For John Deere tractor models 4040, 4240, 4440, 4640, 4840, 8430, 8440, 8450, 8640, 8650, Compatible with John Deere Combine (s) 6620, 6622, 7720, 8820, Compatible with John Deere Harvester (s) 5720, 5730, 5820, 5830, Compatible with John Deere Construction and industrial models 644C, 646C, 740A, 743, 743A, 762A, Compatible with John Deere Engine (s) 6466A, 6466T, Replaces John Deere OEM number RE60288, (Item #: 167371) $129.98

Cylinder Kit - For John Deere tractor models 4040, 4050, 4240, 4250, 4440, 4450, 4640, 4650, 4840, 4850, Compatible with John Deere Combine (s) 6620, 6622, 7720, Compatible with John Deere Construction and industrial models 644C, 644D, 646C, 653E, 690C, 690CR, 693C, 740A, 743, 743A, 762A, 762B, 770A, 770AH, 770B, 770BH, 772A, 772AH, 772B, 772BH, 790, 790D, 792, 850B, Replaces John Deere OEM number RE60282, (Item #: 167500) $137.00

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Engine Rebuild Kit - Less Bearings - Rod R57303 - High Compression, 6466A, 6466T - For John Deere tractor models 4440, 4640, 4840, 8430, 8440, 8450 (early), Compatible with John Deere Combine (s) 6602 (s/n 163500-later), 6620 (early), 6622 (early), 7720 (early), 8820 (early), Compatible with John Deere Harvester (s) 5720 (early), 9940 (early), Compatible with John Deere Construction and industrial models 644A (early), 646C (early), 740A (early), 743, 743A, 762A (early), Compatible with John Deere Engine (s) 6466A (diesel), 6466T (diesel), Bore: 4.5625", Connecting rod marked R57303, R67320, Tapered pin bushing, 1.875" piston pin, Kit includes: High Compression Easy Start Pistons, Piston Ring Set, Liners, Connecting Rod Bolts and 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 Item #: 106838, Additional Handling and Oversize Fees Apply To This Item, (Item #: 130636) $1889.01

Engine Rebuild Kit - Less Bearings, 6466A - For John Deere tractor models 4840, 4850, 8430, 8440, 8450, Compatible with John Deere Combine (s) 8820, Compatible with John Deere Harvester (s) 5720, 5730, 9940, 9950, Compatible with John Deere Construction and industrial models 644C, 690C, 740A, 762A, 762B, 770A, 770B, 850B, 892, Compatible with John Deere Engine (s) 6466A (diesel, aftercooled, s/n 233593-317858), Replaces John Deere Block Casting number R71688, R71685, R80481, Bore: 4.56", 1.8742" piston pin, Piston RE60284, Connecting rod R71074, Kit includes: Pistons, Piston Ring Set, Liners, Connecting Rod Bushings, and Gasket set with Crank Seals, Kit does not include connecting rod or main bearings, For standard connecting rod bearing use Item #: 106838, Additional Handling and Oversize Fees Apply To This Item, (Item #: 130715) $1799.01

Piston, Used - For John Deere tractor models 4040, 4240, 4440, 4640, 4840, 8430, 8440, 8450, 8640, 8650, Compatible with John Deere Combine(s) 6602, 6620, 7720, Compatible with John Deere Harvester(s) 5720, 5730, 5820, 5830, 9940, Replaces John Deere OEM nos AR93629, Used items are not always in stock. If we are unable to ship this part we will contact you within one business day., (Item #: 498517) $31.01

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