- 1.500" Piston Pin Diameter16
- 1.610" Piston Pin Diameter6
- Early Power Booster2
- External Tube Type Oil Cooler2
- Internal Plate Type Oil Cooler4
- Naturally Aspirated18
- Original Block6
- Replacement Block2
- Turbocharged14
- Turbocharged & Aftercooled6
- Turbocharged & Intercoooled8
- Turbocharged & Naturally Aspirated12
![Major Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/HCTRG17901_9_xl.jpg?width=235)
HCTRG17901
Major Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- See Alternatives
- $1,722.36 USD 1722.36
![Inframe Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/fake_thumb.jpg?width=235)
HCTIK17901
Inframe Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- See Alternatives
- $1,550.11 USD 1550.11
![High Compression Major Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/HCTRG17901HC_9_xl.jpg?width=235)
HCTRG17901HC
High Compression Major Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- See Alternatives
- $2,144.16 USD 2144.16
![Major Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/HCTRG17897_9_xl.jpg?width=235)
HCTRG17897
Major Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- See Alternatives
- $1,871.11 USD 1871.11
![Major Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/HCTRG17903_1_xl.jpg?width=235)
HCTRG17903
Major Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- See Alternatives
- $1,848.11 USD 1848.11
![High Compression Major Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/HCTRG17903HC_9_xl.jpg?width=235)
HCTRG17903HC
High Compression Major Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- See Alternatives
- $2,269.89 USD 2269.89
![Inframe Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/fake_thumb.jpg?width=235)
HCTIK17903
Inframe Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- See Alternatives
- $1,663.28 USD 1663.28
![Inframe Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/fake_thumb.jpg?width=235)
HCTIK17897
Inframe Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- See Alternatives
- $1,710.53 USD 1710.53
![High Compression Inframe Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/fake_thumb.jpg?width=235)
HCTIK17901HC
High Compression Inframe Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- $2,090.89 USD 2090.89
![High Compression Inframe Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/fake_thumb.jpg?width=235)
HCTIK17897HC
High Compression Inframe Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- $2,162.55 USD 2162.55
![High Compression Major Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/HCTRG17897HC_9_xl.jpg?width=235)
HCTRG17897HC
High Compression Major Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- See Alternatives
- $2,292.86 USD 2292.86
![Major Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/HCTRG17902_9_xl.jpg?width=235)
HCTRG17902
Major Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- $1,827.95 USD 1827.95
![Inframe Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/fake_thumb.jpg?width=235)
HCTIK17902
Inframe Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- $1,703.78 USD 1703.78
![Inframe Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/fake_thumb.jpg?width=235)
HCTIK6163
Inframe Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- $1,727.46 USD 1727.46
![Major Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/HCTOK6163_9_xl.jpg?width=235)
HCTOK6163
Major Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- $1,859.07 USD 1859.07
![High Compression Inframe Overhaul Kit, John Deere 6-404D Diesel Engine](/userdocs/products/fake_thumb.jpg?width=235)
HCTIK17903HC
High Compression Inframe Overhaul Kit, John Deere 6-404D Diesel Engine
- In-Stock
- $2,187.36 USD 2187.36