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You are here: Home > Tractor Parts > John Deere Tractor Parts > 4020 > Engine Assembly

Engine assembly parts for John Deere 4020

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Engine Assembly, Complete Block, Remanufactured, John Deere, High Compression, 6404, R40890, R33180 Engine Assembly, Complete, John Deere, 404 CI, Premium Used, John Deere, R40890, R33180 Engine Assembly, Long Block, Remanufactured, John Deere, 404 CI, R33180, R40890
Our Price: $10,500.00
Sale Price: $9,450.00
You save $1,050.00!
Core Charge for item 205288: $2,500.00
Our Price: $5,000.00
Sale Price: $4,500.00
You save $500.00!
Core Charge for item 310008: $1,500.00
Please call 877-530-4430 for availability
Our Price: $8,000.00
Sale Price: $7,200.00
You save $800.00!
Core Charge for item 205141: $1,500.00
205288 | Engine Assembly | Complete Block | Remanufactured | John Deere | High Compression | 6404 | R40890 | R33180 | John Deere 4020 6404D |  | R33180 | R40890 310008 | Engine Assembly | Complete | John Deere | 404 CI | John Deere 4020 6404D |  | R40890 | R33180 205141 | Engine Assembly | Long Block | Remanufactured | John Deere | 404 CI | R33180 | R40890 | John Deere 4020 6404D |  | R40890 | R33180
Engine Assembly, Long Block, Remanufactured, John Deere, 404 CI, R40930 Engine Assembly, Long Block, Remanufactured, John Deere, High Compression, 404 CI, R40890, R33180 Engine Assembly, Long Block, Remanufactured, John Deere, R47170, 404 ci
Our Price: $8,000.00
Sale Price: $7,200.00
You save $800.00!
Core Charge for item 210139: $1,500.00
Our Price: $8,000.00
Sale Price: $7,200.00
You save $800.00!
Core Charge for item 210125: $1,500.00
Our Price: $8,000.00
Sale Price: $7,200.00
You save $800.00!
Core Charge for item 210166: $1,500.00
Please call 866-609-1260 for availability
210139 | Engine Assembly | Long Block | Remanufactured | John Deere | 404 CI | R40930 | John Deere 4020 6404D |  | R40930 210125 | Engine Assembly | Long Block | Remanufactured | John Deere | High Compression | 404 CI | R40890 | R33180 | John Deere 4020 6404D |  | R40890 | R33180 210166 | Engine Assembly | Long Block | Remanufactured | John Deere | R47170 | 404 ci | John Deere 4000 4020 6404D |  | R47170
   
 

All States Ag Parts longblock assemblies are remanufactured by a team of experienced technicians and mechanics in our newly remodeled engine shop. From the initial tear-down thru the final painting process every part is inspected thoroughly before being assembled. The quality of every engine is backed with an industry-leading 1-year warranty. Our quality control processes ensure all specifications and tolerances are within original OEM standards and provide you with a long-lasting engine.

OUR REMANUFACTURED LONG BLOCKS ARE ASSEMBLED TO THE FOLLOWING SPECIFICATIONS AND CARRY A 1-YEAR WARRANTY

BLOCKS
All blocks are machined on a Rottler F105A cylinder boring machine.
Blocks are thoroughly cleaned and inspected for cracks before assembly
Checked for proper bore alignment and align bored as needed.
Deck Resurfaced
Sleeve counter bore is recut to OEM tolerances

CRANKSHAFTS
Cleaned and magnafluxed
Polished or reground as needed
(no more than a .020 grind)

NEW PARTS INSTALLED ON EVERY REBUILT ENGINE
Rod and Main Bearings
O-rings
Gaskets
Valves, Valve Springs and Keepers
Pistons
Sleeves (if sleeved engine)
Rod Bolts
Head Bolts (where required)
Main Bolts (where required)
Cam Bushing
Wrist Pin Bushing
Frost Plugs
Heat Tab
New or Rebuilt Oil Pump
New or Rebuilt Water Pump

NEW PARTS OR USED PARTS WITHIN SPECS
Camshafts
Lifters
Oil Pan
Valve Cover
Timing Cover
Rear engine plate
Injection Pump Drive (when needed)

CYLINDER HEADS
Thoroughly cleaned and inspected, checked for cracked castings
Pressure tested
Resurfaced
Seats Replaced as Necessary to Established Proper Valve Height
New Guides Installed and Honed
All Heads Loaded with New Hardware

OUR REBUILT LONG BLOCKS ARE NOT RUNNING ENGINES AND DO NOT INCLUDE THE FOLLOWING:
Oil Cooler
Fuel System
Intake or Exhaust Manifolds
Injection Pump Drive (when not needed)
Flywheel
Oil Filter housing
Fuel filter housing
Starter
Alternator
Generator
Water Pump Pulleys
Crank pulley/dampener pulley