Land Pride OS1548, OS1572 Torque Values Chart, Tire Inflation Chart, Additional Torque Values

Table of Contents

Section 9: Appendix

Torque Values Chart

			Bolt Head Identification													Bolt Head Identification
																	8.8			10.9
Bolt Size											Bolt Size			5.8
(Inches)											(Metric)		Class 5.8				Class 8.8				Class 10.9
in-tpi 1		Grade 2			Grade 5			Grade 8
	N·m 2		ft-lb 3	N·m		ft-lb	N·m		ft-lb		mm x pitch		N·m			ft-lb	N·m			ft-lb	N·m			ft-lb
1/4" - 20	7.4		5.6	11		8	16		12		M 5 X 0.8		4		3		6		5		9		7
1/4" - 28	8.5		6	13		10	18		14		M 6 X 1		7		5		11		8		15		11
5/16" - 18	15		11	24		17	33		25		M 8 X 1.25		17		12		26		19		36		27
5/16" - 24	17		13	26		19	37		27		M 8 X 1		18		13		28		21		39		29
3/8" - 16	27		20	42		31	59		44		M10	X 1.5	33		24		52		39		72		53
3/8" - 24	31		22	47		35	67		49		M10	X 0.75	39		29		61		45		85		62
7/16" - 14	43		32	67		49	95		70		M12	X 1.75	58		42		91		67		125		93
7/16" - 20	49		36	75		55	105		78		M12	X 1.5	60		44		95		70		130		97
1/2" - 13	66		49	105		76	145		105		M12	X 1	90		66		105		77		145		105
1/2" - 20	75		55	115		85	165		120		M14	X 2	92		68		145		105		200		150
9/16" - 12	95		70	150		110	210		155		M14	X 1.5	99		73		155		115		l215		160
9/16" - 18	105		79	165		120	235		170		M16	X 2	145		105		225		165		315		230
5/8" - 11	130		97	205		150	285		210		M16	X 1.5	155		115		240		180		335		245
5/8" - 18	150		110	230		170	325		240		M18	X 2.5	195		145		310		230		405		300
3/4" - 10	235		170	360		265	510		375		M18	X 1.5	220		165		350		260		485		355
3/4" - 16	260		190	405		295	570		420		M20	X 2.5	280		205		440		325		610		450
7/8" - 9	225		165	585		430	820		605		M20	X 1.5	310		230		650		480		900		665
7/8" - 14	250		185	640		475	905		670		M24	X 3	480		355		760		560		1050		780
1" - 8	340		250	875		645	1230		910		M24	X 2	525		390		830		610		1150		845
1" - 12	370		275	955		705	1350		995		M30	X 3.5	960		705		1510		1120		2100		1550
1-1/8" - 7	480		355	1080		795	1750		1290		M30	X 2	1060		785		1680		1240		2320		1710
1 1/8" - 12	540		395	1210		890	1960		1440		M36	X 3.5	1730		1270		2650		1950		3660		2700
1 1/4" - 7	680		500	1520		1120	2460		1820		M36	X 2	1880		1380		2960		2190		4100		3220
1 1/4" - 12	750		555	1680		1240	2730		2010		1 in-tpi = nominal thread diameter in inches-threads per inch
1 3/8" - 6	890		655	1990		1470	3230		2380		2 N· m = newton-meters
1 3/8" - 12	1010		745	2270		1670	3680		2710		3 ft-lb= foot pounds
1 1/2" - 6	1180		870	2640		1950	4290		3160		4 mm x pitch = nominal thread diameter in millimeters x thread
1 1/2" - 12	1330		980	2970		2190	4820		3560		pitch
Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.
							Additional Torque Values
Non driven Rotor End Flange							985 ft-lbs.			Use a spanner wrench to loosen.
7/16" Knife Mounting Bolts & Lock Nuts							68 ft-lbs.

Tire Inflation Chart

Tire Size	Inflation
	PSI
8 1/2" x 18"	20 psi

48 OS1548 and OS1572 Overseeder (S/N 166724+) 308-303M 2-16/09