Hydraulic Cylinder Bolt Torque Chart
As a general rule:
• 1/2-inch bolts are used in cylinders with 1-inch rods
• 5/8-inch bolts are used in cylinders with 1 1/4-inch rods
• 3/4-inch bolts are used in cylinders with 1 1/2-inch rods
• 7/8-inch bolts are used in cylinders with 1 3/4-inch rods
• 1-inch bolts are used in cylinders with 2-inch rods (one with 1 3/4-inch)
• 1-1/8-inch bolts are used in cylinders with 2-1/4-inch rods
IMPORTANT: Do not reuse cylinder piston bolts when rebuilding a hydraulic cylinder. Each cylinder repair
kit contains a new bolt. Use it. Lubricate lightly and torque to value shown on chart.
Bolt Size
(inch)
Bolt
Part No.
Cylinder Repair Kit
Part No.
Torque (ft•lb) Torque (N•m)
1/2 106-096 190-165 90-100 120-135
5/8 106-097 190-166 & 190-169 180-200 245-270
3/4 106-098 190-167 & 190-170 290-325 395-440
7/8 106-122 190-172 & 190-174 410-640 550-625
1 106-145 190-175 & 190-189 630-700 855-950
1-1/8 106-146 190-177 770-850 1045-1170
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