Fastener Installation Torque - Progressive Turf Equipment TDR-X Operator's Manual & Parts List

FASTENER INSTALLATION TORQUE

The chart below lists the proper installation torque for fasteners on
Progressive Turf Equipment mowers. When bolts are to be tightened or
replaced, refer to this chart to determine the proper torque (unless otherwise
specified in this manual).
SAE Grade 5 (Imperial) and Class 8.8 (Metric) fasteners are to be used in
the assembly of this machine, unless otherwise specified in this manual.
Bolt Grade / Class Identification
SAE Grade 2 SAE Grade 5
(No Dashes) (3 Dashes)
Bolt Diameter (in.)
5/16
3/8
7/16
1/2
9/16
5/8
3/4
1" LH Spindle Nut
M10
Transport Tire Lug Nuts
SAE Grade 8
(6 Dashes)
Recommended Torque in Foot
Pounds (Newton-Meters)
21 (28)
38 (52)
55 (75)
85 (115)
125 (170)
175 (240)
300 (410)
60 (82)
31 (42)
100 (135)
Class 8.8
(Metric)
TDR-X Operator's Manual
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