Oct 23, 2025 / Jd 850 engine rebuild info #1 V Vt36 New member Joined Oct 23, 2025 Messages 2 Tractor John Deere 850 Can somebody help me with some torque specs? I am looking for the connecting rod bolt torque, and the head bolt torque thank you.
Can somebody help me with some torque specs? I am looking for the connecting rod bolt torque, and the head bolt torque thank you.
Oct 23, 2025 / Jd 850 engine rebuild info #2 B Barry 1 Platinum Member Joined May 6, 2011 Messages 560 Location NKY Tractor JD1050, YM186D Head bolts are 3 stages- 43 then 87 then 116 to 130ft lb final Rods are 40ft lb
Oct 23, 2025 / Jd 850 engine rebuild info Thread Starter #3 OP V Vt36 New member Joined Oct 23, 2025 Messages 2 Tractor John Deere 850 Thank you
Oct 24, 2025 / Jd 850 engine rebuild info #4 California Super Star Member Joined Jan 22, 2004 Messages 16,584 Location An hour north of San Francisco Tractor Yanmar YM240 Yanmar YM186D That identical engine was also in Yanmar-brand tractors. You might get a free shop manual if you inquire over in the Yanmar-classic subforum.
That identical engine was also in Yanmar-brand tractors. You might get a free shop manual if you inquire over in the Yanmar-classic subforum.