Tightening torque Kubota D850 | DH850 | D950 | V1100 | V1200

Kubota tightening torques

General information on the tightening torques of all Kubota engines as an example the head bolts etc.

An important rule is that the head bolts must first be oiled, on which the correct NM can then be measured with the torque wrench. This means first cleaning the head bolts with a wire brush and then dipping them in oil. Drain this so that it cannot affect the tightening torque.

Adjustment of all Kubota D850, DH850, D950, V1100, V1200 engines:

Valve clearance when the engine is cold:

  • 0.145-0.185 mm
  • 0.0057-0.0073 in inches

Head studs or bolts:

  • 48 to 51 FT-LBS

Main bearing bolt

  • Bolt 1 15.0 to 17 FT-LBS
  • Bolt case 22.0 to 25 FT-LBS

Flywheel bolts

  • 40 to 43ft-lbs

Glow plug:

  • 15 to 18 FT-LBS(D850 – D950) + 29 to 36 FT-LBS(V1100-V1200)
Tightening torque Kubota D850 | DH850 | D950 | V1100 | V1200 | Shop4Trac

Tightening torque Kubota D850 | DH850 | D950 | V1100 | V1200 | Shop4Trac


Matching models to these tightening torques



  • B1400, B1402, B1500, B1502, B1550, B6200, B40, B1-14, B1-15
  • B6200D, B6200E, B6200HST-D, B6200HST-E, B1550D, B1550E, B1550HST-D, B1550HST-E, B1400, B1500, B1402E, B1402DT, B1502E, B1502DT
  • KH35 (excavator)

Kubota engine

  • D850, D850BH, D850-5B


  • B1-17
  • B6100, B7200D, B1750D, B8200E, F2100
  • B1750D B1750E
  • KH41, KH61
  • KH-021H, KH-024, KH-024H,
  • B1-16, B1-17, B1600, B1702, B1750, B20, B7200, B8200
  • B7200E, B7200HST-D, B7200HST-E, B8200D, B8200E, B8200HST-D, B8200HST-E, B1750E, B1750HST-D, B1750HST-E, B-20, B1600, B1600DT, B1702DT,


  • 543, 533, 543B, 553B


  • ZB1600, ZB1702

Kubota engine

  • D950, D950, D950SB, D950-FM, 3D75


  • B2150HST, B2150, B9200HST
  • RX245, RX275, RX2750


  • 40HA

Kubota engine

  • V1200-5B, V1200-A
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