PDA

View Full Version : D478 Toro Flow

GMCAUS
September 5th, 2025, 02:25 AM
Hey all would anyone happen to know the specs of the Toro Flow D478 head bolts?
BobBray
September 6th, 2025, 06:33 AM
Hey all would anyone happen to know the specs of the Toro Flow D478 head bolts?

The torque is 125-135 ft. lbs.. There are 14 head bolts in each head, all are 9/16-12. 5 4-61/64" long (part #2448983), 6 1-55/64" long (part #2448973), and 3 3-61/64" long (part #2453406).
GMCAUS
September 6th, 2025, 08:19 AM
The torque is 125-135 ft. lbs.. There are 14 head bolts in each head, all are 9/16-12. 5 4-61/64" long (part #2448983), 6 1-55/64" long (part #2448973), and 3 3-61/64" long (part #2453406).

Thanks for your help mate. you do you know if the bolts are torque to yield or if they are reusable?
BobBray
September 7th, 2025, 02:37 AM
I believe they are reuseable.